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Tektronix CTS 710 User Manual

Tektronix CTS 710 User Manual

Sonet test set
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User Manual
CTS 710
SONET Test Set
070-8852-03
This document applies to firmware version 1.3
and above.
www.valuetronics.com

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Summary of Contents for Tektronix CTS 710

  • Page 1 User Manual CTS 710 SONET Test Set 070-8852-03 This document applies to firmware version 1.3 and above. www.valuetronics.com...
  • Page 2 Copyright E Tektronix, Inc. 1994. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Tektronix, Inc., P.O. Box 500, Beaverton, OR, 97077 TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

  • Page 3: Warranty

    Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
  • Page 4 www.valuetronics.com...

  • Page 5: Table Of Contents

    ........2–15 CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 6 3–24 Setting the History Resolution ......3–26 CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 7 ......3–71 Unequipped Payload Mapping ..... . . 3–72 CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 8 ..... . . 3–114 Checking Received Optical Power or Received Peak Voltage 3–114 CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 9 3–173 Viewing a Summary of Results ......3–173 CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 10 ......3–207 Setting RS-232 Parameters ......3–208 CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 11 ........A–27 CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 12 ....H–2 Appendix I: Packing for Shipment ....I–1 Glossary and Index CTS 710 SONET Test Set User Manual www.valuetronics.com viii...

  • Page 13: List Of Figures

    ......2–21 Figure 2–18: Selecting a Text String for Editing ..2–22 CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 14 ..... 3–24 Figure 3–9: Setting a USER DEFINED Test Duration ..3–25 CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 15 ....3–65 Figure 3–25: CTS 710 in Through Mode ....
  • Page 16 ....... . . 3–182 CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 17 Figure E–1: Front-Panel Status Lights ....E–1 Figure G–1: CTS 710 Rear Panel Connectors ... G–1 Figure G–2: The VGA Video Output Connector...
  • Page 18 ... . 2–8 Table 2–2: CTS 710 Disk File Types ....2–24 Table 3–1: LTE Responses to Errors and Alarms...
  • Page 19 C–1 Table D–1: Standard CTS 710 Specifications ... D–1 Table D–2: Option 22 DS1/DS3/VT1.5 Capabilities ..D–10 CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 20 ........G–7 CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 21: General Safety Summary

    To avoid electric shock or fire hazard, do not operate this product with covers or panels removed. Use Proper Fuse To avoid fire hazard, use only the fuse type and rating specified for this product. CTS 710 SONET Test Set User Manual www.valuetronics.com xvii...

  • Page 22: Product Damage Precautions

    Provide Proper Ventilation To prevent product overheating, provide proper ventilation. Do Not Operate With Suspected Failures If you suspect there is damage to this product, have it inspected by qualified service personnel. CTS 710 SONET Test Set User Manual www.valuetronics.com xviii...

  • Page 23: Safety Terms And Symbols

    CAUTION indicates a hazard to property including the product. Symbols on the Product The following symbols may appear on the product: Double DANGER Protective Ground ATTENTION Insulated High Voltage (Earth) Terminal Refer to Manual CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 24: Certifications And Compliances

    CSA Certified Power Cords CSA Certification includes the products and power cords appropriate for use in the North America power network. All other power cords supplied are approved for the country of use. CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 25: Preface

    H Operating Basics explains the basic principles of operating the CTS 710. The Operating Basics section also includes a tutorial which introduces you to most of the capabilities of the CTS 710 by having you run a BER test. H Reference provides explanations of how to perform detailed tasks.

  • Page 26: Related Manuals

    070-8924-XX) describes how to control the CTS 710 using an instrument controller. H The CTS 710 SONET Test Set & CTS 750 SDH Test Set Reference (Tektronix part number 070-8854-XX) provides a quick overview of the instrument programming commands.

  • Page 27: Using The Cts 710 Reference

    Preface Using the CTS 710 Reference The Reference presents an overview of the CTS 710 menu structure, front-panel buttons, examples of alarm responses, and a glossary. To store the Reference for easy viewing, fold the card to display the desired page and slide the card behind the window located on the inside of the top flap of the pouch (see Figure i).

  • Page 28: Contacting Tektronix

    Or visit our web site for a listing of worldwide service locations. http://www.tek.com For other In North America: information 1-800-TEK-WIDE (1-800-835-9433) An operator will direct your call. To write us Tektronix, Inc. P.O. Box 1000 Wilsonville, OR 97070-1000 CTS 710 SONET Test Set User Manual www.valuetronics.com xxiv...

  • Page 29: Getting Started

    Getting Started www.valuetronics.com...

  • Page 31: Product Description

    Getting Started This section provides a description of the CTS 710, a list of standard and optional accessories, and explains how to operate the CTS 710 for the first time. Product Description The Tektronix CTS 710 SONET Test Set is a rugged, portable test set designed for installing and maintaining telecommunications networks.

  • Page 32: Accessories

    Optional Accessories H CTS 710 SONET Test Set Programmer Manual (Tektronix part number 070-8924-XX) H CTS 710 SONET Test Set & CTS 750 SDH Test Set Reference, Programming commands (Tektronix part number 070-8854-XX) CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 33: First Time Operation

    The pouch is not installed at the factory. To install the accessory pouch: 1. Place the CTS 710 on a table or work bench with the front facing toward you. 2. Center the pouch plate and insert the rear edge of the plate in the space between the cabinet top and the rear panel trim (see part A of Figure 1–1).

  • Page 34: Figure 1-1: Installing The Accessory Pouch

    A. Push the pouch plate into the rear panel trim gap. Key Slots Under Rear Panel Trim B. Center the pouch plate to align with key slot under the rear panel trim. Figure 1–1: Installing the Accessory Pouch CTS 710 SONET Test Set User Manual www.valuetronics.com 1–4...

  • Page 35: Figure 1-2: Inserting The Pouch Under The Front Panel Trim

    CAUTION. Do not use the D-ring (see Figure 1–3) on the pouch plate to lift the CTS 710. Using the D-ring to lift the CTS 710 can pull the accessory pouch off the CTS 710, resulting in damage to the CTS 710.

  • Page 36: Figure 1-3: Location Of The D-Ring On The Accessory Pouch

    Getting Started DO NOT LIFT Instrument With D-Ring Figure 1–3: Location of the D-Ring on the Accessory Pouch CTS 710 SONET Test Set User Manual www.valuetronics.com 1–6...

  • Page 37: Setting Up The Cts 710

    Getting Started Setting Up the CTS 710 Before you use the CTS 710, ensure that it is properly set up and powered on. To properly set up the CTS 710, do the following: 1. Be sure that the environment in which you will operate the CTS 710 is within instrument specifications.

  • Page 38: Figure 1-4: Rear-Panel Controls And Connectors Used In Setup

    Fuse Part Number Part Number 0.25 in 1.25 in 159-0014-XX 200-2264-XX (UL 198.6, 3AG): 5 A FAST, 250 V 5 mm 20 mm 159-0255-XX 200-2265-XX (IEC 127): 4 A, 250 V CTS 710 SONET Test Set User Manual www.valuetronics.com 1–8...

  • Page 39: Turning On The Cts 710

    1. Check that the rear-panel principal power switch is on. The principal power switch controls all AC power to the instrument. 2. If the CTS 710 is not turned on (the screen is blank), press the front-panel ON/STBY (On/Standby) button to turn it on (see Figure 1–5).

  • Page 40: Turning Off The Cts 710

    Turning Off the CTS 710 Press the ON/STBY button to turn off the CTS 710. Once the CTS 710 is in use, it is typical to leave the principal power switch on and use the ON/STBY button as the power switch. If the CTS 710 is frequently moved, use the principal power switch to turn the CTS 710 on and off.

  • Page 41: Operating Basics

    Operating Basics www.valuetronics.com...

  • Page 43: Functional Overview

    CTS 710, including: H Controls, indicators, and connectors H Elements of the display H Menu structure H On-line help H Connecting signals H Parameter selection and editing H Disk drive operation CTS 710 SONET Test Set User Manual www.valuetronics.com 2–1...

  • Page 44: Front-Panel Controls, Indicators, And Connectors

    Front-Panel Controls, Indicators, and Connectors Figures 2–1 and 2–2 identify the controls, indicators, and connectors located on the front panel of the CTS 710 SONET Test Set. These buttons assign the displayed choice to the selected parameter or execute the selected action.

  • Page 45: Figure 2-2: Front-Panel Controls, Indicators, And Connectors

    Status Lights These buttons select one of Connectors the five (optional) menus. LASER IN USE Indicator Clear History Button Optical Electrical Optical Connector Connectors Connector Figure 2–2: Front-Panel Controls, Indicators, and Connectors CTS 710 SONET Test Set User Manual www.valuetronics.com 2–3...

  • Page 46: Rear-Panel Controls And Connectors

    There are three types of front-panel status lights. H Green status lights. Green lights indicate whether a signal is present and whether the CTS 710 has locked onto the signal. H Red status lights. When a red status light is on, it means that the indicated event is occurring.

  • Page 47: Figure 2-4: Status Lights (With Option 22 Installed)

    CLEAR HISTORY Red lights indicate an button clears event is occurring history of events. now. Figure 2–4: Status Lights (With Option 22 Installed) CTS 710 SONET Test Set User Manual www.valuetronics.com 2–5...

  • Page 48: Reading The Display

    Functional Overview Reading the Display There are several major areas that make up the CTS 710 display (see Figure 2–5). This area displays the contents of the different pages of each menu. Some pages display control parameters; some pages display test results.

  • Page 49: Figure 2-6: Specific Elements Of The Display

    Figure 2–6: Specific Elements of the Display Table 2–1 provides a list of icons that appear on the display. Icons are used to identify information, indicate instrument status, and clarify available actions. CTS 710 SONET Test Set User Manual www.valuetronics.com 2–7...

  • Page 50: Table 2-1: Icons That Appear In The Display

    CTS 710 is in coupled mode Use the knob Not allowed File stored on disk File stored in memory Message or warning identifier Press the button to perform the indicated action The CTS 710 is busy CTS 710 SONET Test Set User Manual www.valuetronics.com 2–8...

  • Page 51: The Basic Menu Structure

    What is a Menu? A menu groups related functions together. For example, all settings that affect the signal transmitted by the CTS 710 are located in the TRANSMIT menu. Each menu is made up of pages. A page is CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 52: Figure 2-8: Menus And Pages

    TEST Figure 2–8: Menus and Pages The CTS 710 always displays a menu. The name of the current menu is shown near the top of the display. To change to another menu, press a menu button on the front panel.

  • Page 53: Selecting Menus

    For example, the TRANSMIT SETTINGS page in the TRANSMIT menu controls the rate, format, and active channels of the signal transmitted by the CTS 710. However, some pages display information rather than provide control over settings; for example, the pages of the RESULTS menu display various test results.

  • Page 54: Displaying Help

    When the HELP dialog box appears, use the knob to select the topic you wish to view (see Figure 2–11). After you select the topic to view, select View Help to see the help screen. CTS 710 SONET Test Set User Manual www.valuetronics.com 2–12...

  • Page 55: Connecting Signals

    Help Menu to return to the main help screen. Connecting Signals To connect signals to the CTS 710, use the electrical and optical connectors located at the bottom and right side of the front panel. For optical connections, the CTS 710 accepts both single mode and multimode fiber.

  • Page 56: Connecting Optical Signals

    Class 1 limits, we recommend eye protection as a precaution. To connect optical signals to the CTS 710: 1. Unscrew the dustcap that covers the optical port on the CTS 710. 2. Remove the dustcap (if present) covering the connector on the optical fiber.

  • Page 57: Connecting Sonet Electrical Signals

    Autoscan is a feature that automatically scans the received signal and changes the CTS 710 receive settings to match the received signal. Autoscan is the quickest way to set up the CTS 710 to view a signal. To initiate autoscan, press the AUTOSCAN front-panel button. For detailed information on the AUTOSCAN function, see Checking Signal Status on page 3–55.

  • Page 58: Selecting Parameters

    Press the button next to the choice to assign that choice to the highlighted parameter. Sometimes parameters have more than five choices available. When more than five choices are available, the bottom choice changes to –more–. Selecting –more– displays additional choices. Each time CTS 710 SONET Test Set User Manual www.valuetronics.com 2–16...

  • Page 59: Changing Decimal Numbers

    However, if the preset choices are not appropriate for your needs, you can set specific values by selecting the USER DEFINED choice (see Figure 2–14). CTS 710 SONET Test Set User Manual www.valuetronics.com 2–17...

  • Page 60: Figure 2-14: Selecting User Defined

    DEFINED allows you to enter a numeric value. Figure 2–14: Selecting USER DEFINED After you select USER DEFINED, the buttons at the right side of the display are reassigned, as shown in Figure 2–15. CTS 710 SONET Test Set User Manual www.valuetronics.com 2–18...

  • Page 61: Figure 2-15: Entering A Numeric Value

    Figure 2–15: Entering a Numeric Value After you press USER DEFINED, the CTS 710 enters edit mode. In edit mode, you change the value of the highlighted parameter by turning the knob. When you have set the parameter to the desired value, select DONE to enter the value and exit edit mode.

  • Page 62: Changing Binary Numbers

    Changing Binary Numbers There are two kinds of binary numbers that can be changed in the CTS 710: payload patterns and overhead bytes. As with other numerical values, you can select preset values or enter specific values by selecting Edit Byte.

  • Page 63: Entering Text

    (if appropriate) and the option to edit the text string (see Figure 2–18). CTS 710 SONET Test Set User Manual www.valuetronics.com 2–21...

  • Page 64: Figure 2-18: Selecting A Text String For Editing

    1. Select the text string by turning the knob until the desired text string is highlighted (see Figure 2–18). 2. Select EDIT TEXT. This places the CTS 710 into edit mode. When in edit mode, the choices along the right side of the display change (see Figure 2–19).

  • Page 65: Working With The Disk Drive

    Figure 2–19: Editing a Text String Working with the Disk Drive Use the disk drive in the CTS 710 to save instrument setups, pass/fail tests, measurement results and measurement histories. The CTS 710 reads disks formatted in MS-DOS format. It reads only 1.44 MB disks.

  • Page 66: Reading Files On Disk

    The CTS 710 creates two files (with extensions .RES and .HIS) when you save test results. The CTS 710 displays only file names with the extensions shown in Table 2–2. Disk files with any other extensions do not appear in file name displays.
  • Page 67 NOTE. Disk operations may take several seconds if there are many files on the disk. The light on the front of the disk drive turns off when the disk operation is complete. CTS 710 SONET Test Set User Manual www.valuetronics.com 2–25...
  • Page 68 Functional Overview CTS 710 SONET Test Set User Manual www.valuetronics.com 2–26...

  • Page 69: Tutorial

    1–3. To set up your CTS 710 for the tutorial, perform these steps: H Check that the CTS 710 is turned off. If it is on, you can put it in standby mode by pressing the ON/STBY button. CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 70: Setting Transmit Parameters

    Figure 2–20: Setup for the Tutorial Press the ON/STBY button to turn on the CTS 710. The CTS 710 performs its power-on self test and then displays the TRANSMIT menu. Before proceeding with the tutorial, initialize the CTS 710 as...
  • Page 71 STS-1. You will change the receive rate later in this tutorial. An STS-3 signal is made up of three STS-1 signals. The CTS 710 can test only one signal at a time; therefore, you must specify which of the three signals that make up the STS-3 signal you wish to test.

  • Page 72: Setting Receive Parameters

    TRANSMIT Tx/Rx Settings Coupled SETTINGS As soon as you select Coupled, the red error light turns off and the icon in the status area changes to indicate the Tx/Rx Settings are CTS 710 SONET Test Set User Manual www.valuetronics.com 2–30...

  • Page 73: Setting The Test Time

    Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS TEST CONTROL Test Duration 15 min (see Figure 2–22) Figure 2–22: The TEST CONTROL Page of the UTILITY Menu CTS 710 SONET Test Set User Manual www.valuetronics.com 2–31...

  • Page 74: Where Test Results Are Displayed

    (see Figure 2–23). Just below the menu name is information about the current or most recent test. If the test detected no alarms or errors, the CTS 710 displays the message No Alarms No Errors. Figure 2–23: The TEST SUMMARY Page of the RESULTS Menu CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 75: Test Summary

    This message line is always visible so you know that a test is running, even if a page is displayed that doesn’t contain any information about tests. Second, the test status indicator appears. CTS 710 SONET Test Set User Manual www.valuetronics.com 2–33...

  • Page 76: Inserting Errors

    Figure 2–25: The Message Line and Test Status Indicator Inserting Errors Now that the test is running, you will insert some errors and see how the CTS 710 responds. To set the error insertion parameters, first display the ERRORS & ALARMS page as follows: Press Menu...
  • Page 77 There are two ways to insert errors into the transmitted signal. You can insert errors one at a time or you can set a rate at which the CTS 710 inserts errors automatically. Before inserting errors, you must specify the type of error to be inserted. You specify the type of error to be inserted with the Error type set to parameter.

  • Page 78: Adjusting Pointers

    CLEAR HISTORY. Adjusting Pointers The CTS 710 enables you to adjust or move pointers. Note that pointer movements are not necessarily errors. Pointer parameters are set on the POINTERS & TIMING page of the TRANSMIT menu.
  • Page 79 The default mode is Pointer Movements, which allows you to adjust pointers directly. To specify how the pointer will be adjusted: Press Menu Select Menu Highlight Button Page Parameter Select Choice Pointer Control Single CTS 710 SONET Test Set User Manual www.valuetronics.com 2–37...
  • Page 80 Offset Mode and Frequency Offset. To change the frequency offset of the signal: Press Menu Select Menu Highlight Button Page Parameter Select Choice Frequency Offset Stress +4.6ppm CTS 710 SONET Test Set User Manual www.valuetronics.com 2–38...

  • Page 81: User Defined

    10 ppm. Fine adjusts the frequency offset by 0.1 ppm. The larger the value for frequency offset, the more often the pointer is adjusted. Figure 2–28: Adjusting Frequency Offset Using the Knob CTS 710 SONET Test Set User Manual www.valuetronics.com 2–39...

  • Page 82: Viewing Transport Overhead

    TIMING Selecting Default 0ppm sets the Frequency Offset back to 0 ppm. Viewing Transport Overhead The CTS 710 allows you to view the transport overhead for the transmitted or received signal. To view the transport overhead for the transmitted signal:...

  • Page 83: Editing The Transport Overhead

    Except for certain reserved bytes, you can edit the bytes of the transport overhead of the transmitted signal. Reserved bytes are identified by asterisks (*) in the byte content area of the displayed column. CTS 710 SONET Test Set User Manual www.valuetronics.com 2–41...
  • Page 84 Select Choice S1 byte EDIT BYTE Once you have selected EDIT BYTE, the CTS 710 enters the edit mode (see Figure 2–30). Figure 2–30: The Display in Edit Mode To change the value of any bit within the byte, highlight the bit you wish to change.

  • Page 85: Viewing Test Results

    Tutorial have selected Set to 10101010. To see that the CTS 710 is now receiving the new value of the S1 byte: Press Menu Select Menu Highlight Button Page Parameter Select Choice RECEIVE TRANSPORT none none OVERHEAD Verify that the transport overhead for STS–1 #1 is displayed. If it is...
  • Page 86 It also displays the error ratio and the number of errored seconds that have been logged (see Figure 2–32). To display the MAIN RESULTS page: Press Menu Select Menu Highlight Button Page Parameter Select Choice MAIN RESULTS none none CTS 710 SONET Test Set User Manual www.valuetronics.com 2–44...
  • Page 87 Tutorial Figure 2–32: The MAIN RESULTS Page of the RESULTS Menu This completes the tutorial. For detailed information on CTS 710 capabilities, refer to Reference, starting on page 3–1. CTS 710 SONET Test Set User Manual www.valuetronics.com 2–45...
  • Page 88 Tutorial CTS 710 SONET Test Set User Manual www.valuetronics.com 2–46...

  • Page 89: Reference

    Reference www.valuetronics.com...

  • Page 91: Basic Test Procedures

    Some setups may require more than one menu button or menu page selection as well. The first step in each application setup initializes the CTS 710 to a known state. CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 92: Network Continuity Checking

    Basic Test Procedures Network Continuity Checking With the AUTOSCAN feature of the CTS 710, it is easy to make a quick continuity check. The continuity check verifies that a SONET network element (NE), or portion of the network, is correctly set up and provisioned and that the signal passes through intact.
  • Page 93 6. Check the front-panel status lights to verify that there are no errors, alarms, or failures. 7. Select EXIT to leave the AUTOSCAN dialog box. 8. To check STS #2, change the CTS 710 setup to: Press Menu Select Menu...

  • Page 94: Transmission Signal Quality Testing

    The bit error rate (BER) test is one of the best ways to measure the quality of a SONET transmission link. You can use the CTS 710 to make a BER test on a two-way link that is connected in a loop-back configuration.

  • Page 95: Save Results

    Errors 3. Press the START/STOP button. 4. While the test is running, the CTS 710 counts errors and errored seconds and then calculates the error ratio for each error type. 5. After 15 minutes have elapsed, the test stops automatically and the measured results are held on the MAIN RESULTS page until another test is started.

  • Page 96: Testing Mapping And Demapping

    Bit Error Rate test. However, testing mapping/de- mapping requires a different test setup than that described on page 3–4. 1. Connect the CTS 710 to an Add/Drop Multiplexer (ADM) as shown in Figure 3–3. CTS 710 SONET Test Set STS–1...
  • Page 97 Errors 3. Press the START/STOP button. While the test is running, the CTS 710 counts errors and errored seconds and then calculates the error ratio for each error type. After 15 minutes have elapsed, the test stops automatically and the measured results are held on the MAIN RESULTS page until another test is started.

  • Page 98: Fault Tolerance Checking

    This example uses two CTS 710s to simultaneously check the upstream and downstream responses to an error or alarm condition. You can use a single CTS 710 to do the same thing by alternately CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 99: Table 3-1: Lte Responses To Errors And Alarms

    1. Connect two CTS 710s to an LTE as shown in Figure 3–4. CTS 710 SONET Test Set CTS 710 SONET Test Set All Signals are STS-1 Downstream Upstream Figure 3–4: Setup to Check Error and Alarm Response CTS 710 SONET Test Set User Manual www.valuetronics.com 3–9...
  • Page 100 FACTORY SETUPS SETTINGS TRANSMIT TRANSMIT Transmit Rate STS-1 SETTINGS Tx/Rx Settings Coupled TRANSMIT ERRORS & Error Type Section B1 BIP ALARMS Error Rate set to 1.0E–5 RESULTS MAIN RESULTS none Errors CTS 710 SONET Test Set User Manual www.valuetronics.com 3–10...
  • Page 101 Basic Test Procedures 3. Set up the downstream CTS 710 as follows: Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS RECALL DEFAULT Recall Setup INSTRUMENT FACTORY SETUPS SETTINGS RECEIVE RECEIVE Receive Rate STS-1 SETTINGS RESULTS MAIN RESULTS...
  • Page 102 11. Verify that LINE FERF alarm seconds are counted in the MAIN RESULTS display of the upstream CTS 710. 12. With the downstream CTS 710, verify that the displayed K1 or K2 bytes are not all zeros. 13. Press the START/STOP buttons on both the upstream and downstream CTS 710s so that the START/STOP lights are off.

  • Page 103: Response To Pointer Movements

    This example transmits a signal with frequent pointer movements to an NE and checks that the downstream signal is error free. 1. Connect the CTS 710 to an NE as shown in Figure 3–5. CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 104 Basic Test Procedures CTS 710 SONET Test Set All Signals are STS-3 Figure 3–5: Setup to Check Pointer Movements CTS 710 SONET Test Set User Manual www.valuetronics.com 3–14...
  • Page 105 MAIN RESULTS none Errors 3. Press the START/STOP button on the CTS 710 so that the START/STOP light is on. 4. Verify that there are no errors in the MAIN RESULTS display. When the front-panel ERROR light is not on, it also indicates there are no errors in the received signal.

  • Page 106: Response To Line Frequency Offset

    Response to Line Frequency Offset Pointers also accommodate differences in line frequency from one NE to another. In this example, the CTS 710 transmits a signal at an offset line frequency to an NE and measures the response. 1. Connect the CTS 710 to an NE as shown in Figure 3–6.
  • Page 107 MAIN RESULTS none Errors 3. Press the START/STOP button on the CTS 710 so that the START/STOP light is on. 4. Verify that there are no errors in the MAIN RESULTS display. When the front-panel ERROR light is not on, it also indicates there are no errors in the received signal.

  • Page 108: Performance Monitoring

    In either case, the CTS 710 makes it easy to monitor an electrical or optical line without the need for splitters.
  • Page 109 Section Analysis ANALYSIS 3. Press the START/STOP button on the CTS 710 so that the START/STOP light is on. 4. As the test is running, the analysis of Section errors continually updates. You can also look at the analysis of Line, Path, or CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 110 HISTORY none none GRAPHS 6. The CTS 710 history graphs can cover a time span up to 72 hours. You can choose history graphs of the measured performance indicators in the following categories: H Error count (any error you choose)
  • Page 111 Basic Test Procedures 7. For example, to change the bottom graph to display the history of Path B3 Errored Seconds, change the CTS 710 setup as follows: Press Menu Select Menu Highlight Button Page Parameter Select Choice RESULTS HISTORY none...
  • Page 112 Basic Test Procedures CTS 710 SONET Test Set User Manual www.valuetronics.com 3–22...

  • Page 113: Setting Test Control Parameters

    USER DEFINED H Select Continuous to set the test to run until the START/STOP button is pressed. If you select Continuous, the CTS 710 accumulates measurements from the time you start the test until the time you stop the test.

  • Page 114: Setting A Unique Test Time Duration

    TEST TIME page. Figure 3–8: The Test Control Page Setting a Unique Test Time Duration To set a test duration time other than the three choices presented, use the USER DEFINED choice. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–24...
  • Page 115 Set each choice as necessary. H Select DONE when finished setting the duration to enter the specified test duration. Figure 3–9: Setting a USER DEFINED Test Duration CTS 710 SONET Test Set User Manual www.valuetronics.com 3–25...

  • Page 116: Setting The History Resolution

    The history of test results can be recorded at two resolutions, either 1 minute or 15 minutes. At 1-minute resolution, 3 days worth of test results can be recorded. At 15-minutes resolution, 45 days worth of test results can be recorded. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–26...

  • Page 117: Starting And Stopping A Test

    If a limited test duration has been set (any setting other than Continuous), a bar graph indicates the current percentage of test completion. Figure 3–10 shows the locations of the elapsed time indicator and bar graph. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–27...

  • Page 118: Making Changes While Running A Test

    If you try to perform a recall while a test is running, you are warned that a recall is not allowed while a test is running. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–28...

  • Page 119: Table 3-3: Actions You Cannot Perform While A Test

    Recall a pass/fail test TESTS RESULTS RECALL RESULTS Recall previous results SAVE RESULTS Save current results to disk UTILITY SELF TEST Execute self test or diag- nostics AUTOSCAN Autoscan the received signal CTS 710 SONET Test Set User Manual www.valuetronics.com 3–29...
  • Page 120 Setting Test Control Parameters CTS 710 SONET Test Set User Manual www.valuetronics.com 3–30...

  • Page 121: Working With Test Setups

    Saving and Recalling Instrument Setups Instrument setups are files stored in memory or on disk that define how the CTS 710 is configured. If you regularly set up the CTS 710 in the same way, you can save the instrument settings in an instrument setup.

  • Page 122: Saving Instrument Setups

    Working with Test Setups Saving Instrument Setups To save an instrument setup: 1. Set up the CTS 710 as desired. Set all instrument parameters as required. 2. To save an instrument setup to disk, it must have a name. Enter a...
  • Page 123 Clear or None. 4. Save the instrument setup to memory as follows: Press Menu Select Menu Highlight Button Page Parameter Select Choice Save to Memory Memory n CTS 710 SONET Test Set User Manual www.valuetronics.com 3–33...

  • Page 124: Recalling Instrument Setups

    The instrument setup is saved to disk with the name specified on the Name line. Status messages indicate the progress of the file save. Once the file is written to disk, the CTS 710 reads the disk directory and updates the file listing shown on the RECALL INSTRUMENT SETUPS page.

  • Page 125: Recalling The Default Factory Setup

    (see Figure 3–12) 0. Default Recall Setup Recall the default settings whenever you want to restore the CTS 710 to a known state. For a listing of the factory default settings, see page C–1. CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 126: Deleting Instrument Setups From Disk

    Figure 3–13: Selecting a Disk File for Deleting After you select Delete File, status messages appear indicating the progress of the file deletion. When the file has been deleted, the file listing updates. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–36...

  • Page 127: Pass/Fail Tests

    Pass/Fail Tests A pass/fail test is an easy way to run a test and get a simple response stating whether or not the CTS 710 encountered the specified errors during the test. When a pass/fail test completes, the CTS 710 displays a message stating that either the test passed or failed.

  • Page 128: Fail If Conditions

    The threshold is the level at which a test fails (see Table 3–4). For example, for the condition types Alarm and Failure, the threshold for any specific condition is Detected or Not Detected. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–38...

  • Page 129: Table 3-4: Fail If Conditions Of A Pass/Fail Test

    Detected/Not Detected Failure Detected/Not Detected Detected/Not Detected Detected/Not Detected STS LOP Detected/Not Detected VT LOP Detected/Not Detected VT LOM Detected/Not Detected Pattern Sync Detected/Not Detected Error Ratio >1.0e–9 >1.0e–8 >1.0e–7 >1.0e–6 USER CTS 710 SONET Test Set User Manual www.valuetronics.com 3–39...
  • Page 130 >1.0e–7 >1.0e–6 USER VT BIP >1.0e–9 >1.0e–8 >1.0e–7 >1.0e–6 USER VT FEBE >1.0e–9 >1.0e–8 >1.0e–7 >1.0e–6 USER Payload BIT >1.0e–9 >1.0e–8 >1.0e–7 >1.0e–6 USER DS3 Parity >1.0e–9 >1.0e–8 >1.0e–7 >1.0e–6 USER CTS 710 SONET Test Set User Manual www.valuetronics.com 3–40...
  • Page 131 USER (0 – 10000) Path B3 >0 >10 >100 >1000 USER (0 – 10000) VT BIP >0 >10 >100 >1000 USER (0 – 10000) VT FEBE >0 >10 >100 >1000 USER (0 – 10000) CTS 710 SONET Test Set User Manual www.valuetronics.com 3–41...
  • Page 132 Errored Seconds >0 >1 >10 >60 USER (0–10000) Section B1 >0 >1 >10 >60 USER (0–10000) Line B2 >0 >1 >10 >60 USER (0–10000) Path B3 >0 >1 >10 >60 USER (0–10000) CTS 710 SONET Test Set User Manual www.valuetronics.com 3–42...
  • Page 133 >1 >10 >60 USER (0–10000) DS1 CRC >0 >1 >10 >60 USER (0–10000) Pointer STS NDFs >0 >1 >10 >60 USER (0–10000) STS Ptr. Justifys >0 >1 >10 >60 USER (0–10000) CTS 710 SONET Test Set User Manual www.valuetronics.com 3–43...

  • Page 134: Creating A Pass/Fail Test

    1. Set up the CTS 710 as required to perform the desired test. Set all transmit and receive parameters as necessary. When the pass/fail test is recalled, the CTS 710 is set up exactly as it was when the pass/fail test was saved.
  • Page 135 24 characters long. Select DONE when you are finished editing the description. H Select None if you do not want to use a description. H Select Clear to remove an existing description. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–45...
  • Page 136 H Select EDIT TEXT to enter an operator start prompt, up to 72 characters long. The prompt appears on the display as three lines of 24 characters. Select DONE when you are finished editing the prompt. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–46...

  • Page 137: User Defined

    6. Highlight the first entry in the first column of the Fail If table (see Figure 3–15). Select one of the preset choices to specify a condition type. Figure 3–15: Entering Fail If Conditions CTS 710 SONET Test Set User Manual www.valuetronics.com 3–47...
  • Page 138 H Select EDIT TEXT to enter an operator end prompt, up to 72 characters long. The prompt appears on the display as three lines of 24 characters. Select DONE when you are finished editing the prompt. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–48...

  • Page 139: Running A Pass/Fail Test

    TEST SETUPS SAVE PASS/FAIL Save to Disk Save File TESTS Running a Pass/Fail Test To run a pass/fail test: 1. Insert the disk containing the pass/fail test into the disk drive. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–49...
  • Page 140 The second line of text is the test description. The third line informs the user that the file was recalled successfully. The fourth line states how to begin the test. The fifth line is the operator start prompt. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–50...

  • Page 141: Changing An Existing Pass/Fail Test

    3. To run the pass/fail test immediately, press START/STOP. The pass/fail test will begin. When the test is completed, the CTS 710 displays either TEST PASSED! or TEST FAILED!. If you decide not to run the test, select EXIT from the dialog box.
  • Page 142 Save to Disk Save File TESTS H If you select Save File without changing the name of the file, a Disk dialog box appears asking if you want to overwrite the CTS 710 SONET Test Set User Manual www.valuetronics.com 3–52...

  • Page 143: Deleting A Pass/Fail Test From Disk

    Figure 3–17: Selecting a Pass/Fail Test for Deleting After you select Delete, status messages appear indicating the progress of the file deletion. The file list updates after the file is deleted. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–53...
  • Page 144 Working with Test Setups CTS 710 SONET Test Set User Manual www.valuetronics.com 3–54...

  • Page 145: Checking Signal Status

    Checking Signal Status This section describes how to use the CTS 710 to check signal status. The CTS 710 continuously monitors the input signal for alarms, errors, and failures and provides indicators for the current signal status as well as indicating the history of the signal status.

  • Page 146: Viewing The Payload (Add/Drop/Test Option Only)

    STS. To display the tributary payload, highlight an STS where VT 1.5 is shown as the mapping and select the Show Payload choice (see Figure 3–19). CTS 710 SONET Test Set User Manual www.valuetronics.com 3–56...

  • Page 147: Determining The Payload Pattern And Framing (Add/Drop/Test Option Only)

    Analyze VT. After you select Analyze VT, the CTS 710 scans the selected VT in the received signal to see if it there is a pattern within the data and if the signal is framed. If a pattern is found, it is displayed below the payload map on the Pattern line (for example, PRBS 2^23–1).

  • Page 148: Printing The Autoscan Dialog Box

    SETUP page of the UTILITY menu. The printout takes about two minutes. Viewing the Signal State Three colors are used to indicate signal state: green, red, and yellow (see Figure 3–21). CTS 710 SONET Test Set User Manual www.valuetronics.com 3–58...

  • Page 149: Table 3-5: Green Status Lights

    Meaning if Light is On SIGNAL PRESENT A signal at the line rate specified by the Receive Rate parameter is present. PATTERN LOCK Lock to a PRBS or fixed pattern has been achieved. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–59...

  • Page 150: Table 3-6: Red And Yellow Status Lights

    Drop/Test Option Only) ERROR A bit, section, line, path, or VT parity error is detected; or a line, path, or VT FEBE is being received. POINTER ADJ A pointer adjustment is being received. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–60...

  • Page 151: Extended Status

    You can set a beeper to sound every time a red status light turns on. To enable or disable the beeper: Press Menu Select Menu Highlight Button Page Parameter Select Choice UTILITY MISC SETTINGS Beeper CTS 710 SONET Test Set User Manual www.valuetronics.com 3–61...
  • Page 152 Checking Signal Status CTS 710 SONET Test Set User Manual www.valuetronics.com 3–62...

  • Page 153: Setting Sonet Transmit Parameters

    SONET signals. The CTS 710 SONET Test Set contains independent transmitter and receiver modules. One set of parameters controls the transmitter module and another set controls the receiver module. You can set the parameters that control the transmitter independently or you can choose to link the parameters to the receiver settings.

  • Page 154: Setting The Transmit Rate

    NOTE. Even though there are output connectors for both SONET and tributary signals on the CTS 710 front panel, the CTS 710 can transmit only one type of signal at a time. Independent Transmit and Receive Settings Generally, you can set the transmit and receive settings independent- ly.

  • Page 155: Coupling Transmit And Receive Settings

    TRANSMIT SETTINGS page will also be made to the correspond- ing setting in the RECEIVE SETTINGS page of the RECEIVE menu. The inverse is also true. Available SONET Transmit rates Figure 3–24: SONET Transmit Rates CTS 710 SONET Test Set User Manual www.valuetronics.com 3–65...
  • Page 156 Select Choice TRANSMIT TRANSMIT Tx/Rx Settings Independent SETTINGS Notice that the signal status icons, in the upper-right corner of the display, changed to indicate that the settings are no longer coupled. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–66...

  • Page 157: Through Mode

    Tx/Rx Settings Through Mode SETTINGS To indicate when the CTS 710 is in Through Mode, the transmit and receive icons at the upper-right corner of the display have an arrow linking them together and the parameters on the TRANSMIT SETTINGS page are replaced by a message stating that the CTS 710 is in Through Mode (see Figure 3–25).

  • Page 158: Setting The Transmit Clock

    Setting SDHSONET Transmit Parameters Through Mode Icon Figure 3–25: CTS 710 in Through Mode Setting the Transmit Clock To specify the transmit clock: Press Menu Select Menu Highlight Button Page Parameter Select Choice TRANSMIT TRANSMIT Transmit Clock Internal SETTINGS Recovered BITS H Select Internal to set the transmit clock to the internal clock.

  • Page 159: Setting The Transmit Level

    H Select XConnect to set the line level to the cross-connect level. Setting the Signal Structure If you are transmitting an STS-3, OC-3, or OC-12 signal, you can specify whether the signal consists of STS-1 payloads or STS-3c payloads. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–69...

  • Page 160: Specifying The Sts To Test

    OC-1), you must designate which STS to test. To designate which STS to test: Press Menu Select Menu Highlight Button Page Parameter Select Choice TRANSMIT TRANSMIT STS Under Test as appropriate SETTINGS CTS 710 SONET Test Set User Manual www.valuetronics.com 3–70...

  • Page 161: Setting The Payload Mapping

    VT 1.5 Async NOTE. Some payload mappings require options that might not be installed in your CTS 710. Depending on the mapping you choose, you might need to set additional parameters. H Select Bulk Fill No Mapping (Equipped) to fill the whole SPE with the test pattern specified and set the C2 byte to 1.

  • Page 162: Unequipped Payload Mapping

    This treatment should be consistent from one end of the network to the other. A loopback at the far end of the network would then allow a sole CTS 710 to transmit a PRBS across the payload channel and verify the error performance of the entire link from end to end.
  • Page 163 Setting SDHSONET Transmit Parameters Figure 3–26: Mapping a Tributary Signal To configure the CTS 710 for mapping a signal: 1. Set the mapping as follows: Press Menu Select Menu Highlight Button Page Parameter Select Choice TRANSMIT TRANSMIT Mapping VT 1.5 Async SETTINGS H Select VT 1.5 to specify VT1.5 Floating Asynchronous...
  • Page 164 H Select DS1 Ext Add to map a DS1 signal, connected to the DS1 IN connector on the CTS 710 front panel, into the payload of the selected virtual tributary. H Select DS1 Unframed to map an internally generated, unframed DS1 signal into the payload of the selected virtual tributary.

  • Page 165: Setting The Test Pattern

    Setting SDHSONET Transmit Parameters H Select DS3 Ext Add to map a DS3 signal, connected to the DS3 Input connector on the CTS 710 front panel, into the STS payload. H Select DS3 Unframed to map an internally generated, unframed DS3 signal into the STS payload.
  • Page 166 2. Select EDIT BYTE/Edit XX bits to specify a value different from the preset choices. 3. Select Predefined Patterns if you decide to use the standard patterns. 4. Select DONE when you are finished editing the byte. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–76...

  • Page 167: Setting Overhead Bytes

    PATH OVERHEAD pages to edit overhead bytes. How to Edit an Overhead Byte The following procedure applies to editing either transport overhead or path overhead bytes. Transport overhead is given as an example. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–77...
  • Page 168 2. Select the columns you wish to edit as follows: Press Menu Select Menu Highlight Button Page Parameter Select Choice Showing as appropriate Overhead for 3. Turn the knob to highlight the byte you want to edit. See Figure 3–28. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–78...
  • Page 169 H Select EDIT BYTE to define the byte as a value different from the preset choices. 4. To edit the selected byte to a value of your choice: Press Menu Select Menu Highlight Button Page Parameter Select Choice EDIT BYTE CTS 710 SONET Test Set User Manual www.valuetronics.com 3–79...

  • Page 170: Editing The V5 Byte

    Button Page Parameter Select Choice TRANSMIT PATH Overhead View VT1.5 Overhead OVERHEAD Only bits 5, 6, and 7 (the signal label bits) of the V5 byte are editable. See Table 3–7. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–80...

  • Page 171: Bytes You Cannot Edit

    Table 3–8: Overhead Bytes That Cannot Be Edited Overhead Byte Function Section level parity byte Line level parity byte Path level parity byte Path status H1, H2, H3 Identify location of payload Multiframe indicator CTS 710 SONET Test Set User Manual www.valuetronics.com 3–81...

  • Page 172: Editing The J1 Path Trace Byte

    Figure 3–28 on page 3–79). In addition, there are bytes you may not be able to edit depending on parameter settings in the CTS 710. As shown in Figure 3–28, a short text string replaces the binary values in the byte field of the TRANSPORT OVERHEAD and PATH OVERHEAD pages when a byte cannot be edited.
  • Page 173 H Select Default Trace to set the J1 byte string to the default string “Tektronix CTS 710 SONET Test Set, hello how are you?” H Select User Trace to set the J1 byte string to a string you can enter using the EDIT TRACE function.

  • Page 174: Adding Dcc And User Channel Overhead Bytes

    To add external data into the DCC: 1. Connect an external protocol analyzer to the CTS 710 using the Overhead Add/Drop Port on the rear panel of the CTS 710. CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 175 H Select F1 to add data, generated by an external protocol analyzer, to the F1 byte of the DCC. As soon as you select which bytes to add data to, the CTS 710 displays the words EXT ADD as the value for the selected bytes (see Figure 3–31).
  • Page 176 H Select F2 to add data, generated by an external protocol analyzer, to the User Channel. As soon as you select F2, the CTS 710 displays the words EXT ADD as the value for F2 (see Figure 3–32). CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 177 Setting SDHSONET Transmit Parameters Figure 3–32: Adding Data into the User Channel CTS 710 SONET Test Set User Manual www.valuetronics.com 3–87...
  • Page 178 Setting SDHSONET Transmit Parameters CTS 710 SONET Test Set User Manual www.valuetronics.com 3–88...

  • Page 179: Setting Tributary Signal Transmit Parameters

    (for example, DS3). Set Transmit Set Test Rate Clock Line Code Framing Pattern Figure 3–33: Sequence for Setting Tributary Signal Parameters CTS 710 SONET Test Set User Manual www.valuetronics.com 3–89...

  • Page 180: Setting The Transmit Rate

    (see Figure 3–34) H Select DS1 or DS3 to transmit a tributary rate signal. NOTE. The CTS 710 can transmit only one signal rate at a time. The CTS 710 can transmit either a SONET signal or a tributary signal, but not both at the same time.
  • Page 181 Figure 3–34: Tributary Transmit Rates To couple the transmit and receive settings together from the TRANSMIT SETTINGS page: Press Menu Select Menu Highlight Button Page Parameter Select Choice TRANSMIT TRANSMIT Tx/Rx Settings Coupled SETTINGS CTS 710 SONET Test Set User Manual www.valuetronics.com 3–91...

  • Page 182: Setting The Transmit Clock

    Select Menu Highlight Button Page Parameter Select Choice TRANSMIT TRANSMIT Transmit Clock Internal SETTINGS Recovered External BITS External DSn H Select Internal to set the transmit clock to the internal clock. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–92...

  • Page 183: Setting The Line Clock Offset

    Setting the Transmit Line Code To specify the transmit line code for the tributary signal: Press Menu Select Menu Highlight Button Page Parameter Select Choice TRANSMIT TRANSMIT Transmit Line as appropriate SETTINGS Code CTS 710 SONET Test Set User Manual www.valuetronics.com 3–93...

  • Page 184: Specifying The Framing

    Framing DS1 Unframed SETTINGS DS1 SF (D4) DS1 ESF H Select DS1 Unframed to transmit a signal without framing. H Select DS1 SF (D4) to transmit a signal with Superframe framing. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–94...
  • Page 185 H Select DS3 Unframed to transmit a signal without framing. H Select DS3 C–bit to transmit a signal with C–bit framing. H Select DS3 M13 to transmit a signal with M13 framing. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–95...

  • Page 186: Specifying The Test Pattern

    H Select User Word 8 bit, User Word 16 bit, or User Word 24 bit to set a test pattern different from the preset choices. If you choose one of the User Word choices, the test pattern description changes to User Defined Byte. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–96...
  • Page 187 (see Figure 3–35). 3. Select Predefined Patterns if you decide to use the standard patterns. 4. Select DONE when you are finished editing the byte. Figure 3–35: Editing the User Word CTS 710 SONET Test Set User Manual www.valuetronics.com 3–97...
  • Page 188 Setting Tributary SignalPDH Transmit Parameters CTS 710 SONET Test Set User Manual www.valuetronics.com 3–98...

  • Page 189: Setting Sonet Receive Parameters

    The CTS 710 SONET Test Set contains independent transmit and receive modules. One set of parameters controls the transmit module and a separate set controls the receive module. You can set the receive parameters independent of the transmit parameters or you can choose to link them to the transmit settings.

  • Page 190: Setting The Receive Rate

    H Select STS-1, STS-3, OC-1, OC-3, or OC-12 to receive a SONET signal. H Select DS1, DS3, or DS3→DS1 to receive a tributary rate signal. See page 3–121 for details on setting tributary signal parameters. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–100...

  • Page 191: Independent Receive And Transmit Settings

    If your application requires that the receive settings and transmit settings be identical, you can save time by coupling them together. After they are coupled, any change you make to a parameter on the CTS 710 SONET Test Set User Manual www.valuetronics.com 3–101...
  • Page 192 Select Choice RECEIVE RECEIVE Tx/Rx Settings Independent SETTINGS Notice that the signal status icons, in the upper-right corner of the display, changed to indicate that the settings are no longer coupled. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–102...

  • Page 193: Setting The Receive Level

    Setting SONETSDH Receive Parameters NOTE. When the incoming line rate changes, a valid LOS must occur between the old and new line rates; otherwise, the CTS 710 might lose pattern lock and display an LOS or LOF status. If this occurs,...

  • Page 194: Specifying Which Sts To Test

    RECEIVE SETTINGS page. NOTE. The CTS 710 cannot demap a tributary signal and transmit a tributary signal at the same time. CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 195 VT1.5 NOTE. Some mappings require options that might not be installed in your CTS 710. Depending on the mapping you choose, you might need to set additional parameters. H Select Bulk Fill No Mapping (Equipped) to receive an SPE that is filled with the test pattern specified (on the Test Pattern line) and where the C2 byte is set to 1.
  • Page 196 STS-3 signal using a PRBS for the payload and the receive mapping is set to VT 1.5 Async, the CTS 710 will report errors for VT AIS, VT FERF, VT FEBE, VT BIP, and VT LOP. This...

  • Page 197: Demultiplexing A Ds1 From A Ds3 Mapped In A Sonet Signal (Add/Drop/Test Option Only)

    H Select DS1 #28 to specify the last DS1 signal. H Select Next to change the selection to the next higher DS1 signal. H Select Previous to change the selection to the next lower DS1 signal. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–107...
  • Page 198 H Select DS1 ESF to demultiplex a DS1 signal in Extended Superframe format. 4. To drop the DS1 signal to the front panel connectors: Press Menu Select Menu Highlight Button Page Parameter Select Choice Tributary Drop CTS 710 SONET Test Set User Manual www.valuetronics.com 3–108...
  • Page 199 H Select Unknown when you do not know what test pattern is being transmitted or when the test pattern is not stable. The demultiplexed DS1 signal will be delivered to the DS1 OUT connector on the front panel. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–109...

  • Page 200: Demapping A Tributary Signal (Add/Drop/Test Option Only)

    To demap and test a tributary signal, you set Mapping to the appropriate tributary mapping. NOTE. The CTS 710 cannot demap a tributary signal and transmit a tributary signal at the same time. When you use tributary signal mapping, you must also specify the virtual tributary under test and payload (see Figure 3–39).

  • Page 201: Dropping A Tributary Signal

    H Select DS3 M13 to demap a DS3 signal with M-13 framing. Dropping a Tributary Signal To drop a signal it must be demapped, as described previously, and you must turn on Tributary Drop. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–111...
  • Page 202 H Select On AMI to drop a DS1 signal using Alternate Mark Inversion coding. H Select On B8ZS to drop a DS1 signal using Binary Eight Zero Substitution coding. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–112...

  • Page 203: Setting The Test Pattern

    2. Select the line containing the byte to set the value of the User Defined Byte. 3. Select a preset choice or select EDIT BYTE to enter a byte string different from the preset choices. When you are finished editing the byte, select DONE. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–113...

  • Page 204: Unequipped Payload Mapping

    SIGNAL STATUS none none NOTE. The CTS 710 may take several seconds to respond when a signal is connected to the input. If Receive Rate, on the RECEIVE SETTINGS page, is set to an optical rate, the SIGNAL STATUS page displays the received optical power.

  • Page 205: Viewing Overhead Bytes

    OVERHEAD If you are receiving a line rate higher than the SONET basic-level rates STS-1 or OC-1, you must indicate which overhead, at the STS-1 level, you want to display. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–115...

  • Page 206: Viewing Path Overhead Bytes

    H Select VT1.5 Overhead to display the V5 overhead byte. Displaying the J1 Path Trace Message To view the Path Trace Message: Press Menu Select Menu Highlight Button Page Parameter Select Choice RECEIVE PATH none none OVERHEAD (see Figure 3–41) CTS 710 SONET Test Set User Manual www.valuetronics.com 3–116...

  • Page 207: Displaying The V5 Byte

    To drop data from the DCC: 1. Connect an external protocol analyzer to the CTS 710 using the Overhead Add/Drop Port on the rear panel of the CTS 710. CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 208 Setting SONETSDH Receive Parameters 2. Configure the CTS 710 to drop the DCC data bytes: Press Menu Select Menu Highlight Button Page Parameter Select Choice RECEIVE TRANSPORT External Drop None OVERHEAD (see Figure 3–42) D1–D3 D4–D12 H Select None if you do not want to drop the DCC bytes.
  • Page 209 Setting SONETSDH Receive Parameters To drop data from the User Channel: 1. Connect an external protocol analyzer to the CTS 710 using the Overhead Add/Drop Port on the rear panel of the CTS 710. 2. Configure the CTS 710 to drop the User Channel data byte:...

  • Page 210: Controlling The Display Update

    Setting SONETSDH Receive Parameters Controlling the Display Update To pause or continue overhead byte updating: Press Menu Select Menu Highlight Button Page Parameter Select Choice RECEIVE PATH Pause Control Pause OVERHEAD Continue CTS 710 SONET Test Set User Manual www.valuetronics.com 3–120...

  • Page 211: Setting Tributary Receive Parameters

    Figure 3–44: Sequence for Setting Tributary Signal Parameters Set DS3 Set DS1 Set Test Set DS1 Set Level Rate Framing Under Test Pattern Framing Figure 3–45: Sequence for Setting Signal Parameters to Demultiplex a DS1 from a CTS 710 SONET Test Set User Manual www.valuetronics.com 3–121...

  • Page 212: Setting The Receive Rate

    Selecting DS3–>DS1 Demux will demultiplex a DS1 signal from a received DS3 signal. All measurements are made at the DS1 level except for Loss of Signal. Available DSn Receive Rates Figure 3–46: Tributary Signal Receive Rates CTS 710 SONET Test Set User Manual www.valuetronics.com 3–122...

  • Page 213: Independent Receive And Transmit Settings

    Conversely, when settings are coupled from the TRANSMIT SETTINGS page, the receive parameters are changed to match the transmit parameters. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–123...

  • Page 214: Setting The Receive Level

    H Select Monitor to set the line level to the monitor level. H Select Bridge to set the line level to the bridged level. Setting the Framing When receiving a tributary signal you can specify the framing of the signal. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–124...

  • Page 215: Specifying The Test Pattern

    To specify the test pattern of the received signal: Press Menu Select Menu Highlight Button Page Parameter Select Choice RECEIVE RECEIVE as appropriate Test Pattern SETTINGS NOTE. The choices available for Test Pattern depend on the selected Receive Rate. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–125...
  • Page 216 H Select Default 10101010 to set the test pattern to alternating ones and zeros 3. Select EDIT BYTE to specify a value different from the preset choices. 4. Select DONE when you are finished editing the byte. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–126...

  • Page 217: Demultiplexing A Ds1 From A Ds3 Signal

    H Select DS1 #28 to specify the last DS1 signal. H Select Next to change the selection to the next higher DS1 signal. H Select Previous to change the selection to the next lower DS1 signal. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–127...
  • Page 218 DS1 signal whose framing is unknown. H Select DS1 SF (D4) to demultiplex a DS1 signal in D4 Superframe format. H Select DS1 ESF to demultiplex a DS1 signal in Extended Superframe format. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–128...
  • Page 219 Edit the bits of the word as needed. H Select Unknown when you do not know what test pattern is being transmitted or when the test pattern is not stable. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–129...
  • Page 220 Setting TributaryPDH Receive Parameters CTS 710 SONET Test Set User Manual www.valuetronics.com 3–130...

  • Page 221: Setting Alarms And Inserting Errors

    This type of testing is simple and convenient using the CTS 710 SONET Test Set. Simulating Error Conditions The specific errors the CTS 710 simulates depend on the transmit rate and payload mapping. CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 222: Specifying The Error To Insert

    Option Only) P–Bit (Add/Drop/Test Option Only) C–Bit (Add/Drop/Test Option Only) NOTE. The errors available to insert depend on the Mapping and Payload settings. Not all errors are available all the time. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–132...

  • Page 223: Inserting Errors

    You can choose to insert errors manually (one at a time) or you can have errors inserted automatically at a rate you specify. To insert a single error, press the INSERT ERROR button. To have the CTS 710 insert errors automatically: 1. Turn on automatic error insertion as follows: Press Menu...

  • Page 224: Table 3-11: Maximum Error Rates For Sonet Signals

    Maximum Minimum Error Type Rate Rate Rate Rate VT BIP 1E–3 1E–10 VT FEBE 1E–4 1E–10 Parity 1E–4 1E–9 1E–4 1E–8 Frame 1E–2 1E–5 1E–2 1E–7 Data 1E–2 1E–8 1E–2 1E–9 CTS 710 SONET Test Set User Manual www.valuetronics.com 3–134...

  • Page 225: Setting Alarms

    Setting Alarms and Inserting Errors NOTE. The CTS 710 can measure all the error rates it can transmit except for DS3 Parity where the maximum measured error rate is 5e-5. 2. Select USER DEFINED to specify an error rate different from the preset choices.
  • Page 226 H Select Line FERF to transmit a Line FERF alarm. H Select Path AIS to transmit a Path AIS alarm. H Select Path FERF to transmit a Path FERF alarm. H Select VT AIS to transmit a VT AIS alarm. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–136...
  • Page 227 NOTE. The VT AIS and VT FERF choices will be displayed only if Mapping, on the TRANSMIT SETTINGS page, is set to VT 1.5 Async. All transmit alarm choices remain in effect until they are deliberately turned off. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–137...

  • Page 228: Simulating Transmit Failures

    Setting Alarms and Inserting Errors Simulating Transmit Failures The CTS 710 can simulate transmit failure conditions to test the response of the network. To simulate a transmit failure: Press Menu Select Menu Highlight Button Page Parameter Select Choice TRANSMIT ERRORS &...
  • Page 229 Setting Alarms and Inserting Errors All transmit failures remain in effect until they are deliberately turned off. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–139...
  • Page 230 Setting Alarms and Inserting Errors CTS 710 SONET Test Set User Manual www.valuetronics.com 3–140...

  • Page 231: Setting Pointers And Changing Timing

    H Introduce a frequency offset in the internally generated SPE H Introduce a frequency offset in the transmit rate H Generate sequences of pointer movements Setting Pointers To set up the CTS 710 to make discrete or repetitive pointer movements: 1. Specify the pointer mode as follows: Press Menu...

  • Page 232: Manual Pointer Control

    Figure 3–48: Manual Pointer Control Choices Single Pointer Movements. With Single selected, each press of the front-panel POINTER ACTION button moves the pointer up or down CTS 710 SONET Test Set User Manual www.valuetronics.com 3–142...
  • Page 233 To set the number of pointer movements in the burst: Press Menu Select Menu Highlight Button Page Parameter Select Choice Pointer Control Burst Burst Size To start a burst of pointer movements, press POINTER ACTION. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–143...
  • Page 234 H Select Min 0 to set the pointer to location zero (points to the byte immediately following the H3 transport overhead byte). If you choose this setting, the pointer is moved immediately; you do not need to press POINTER ACTION. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–144...
  • Page 235 H Select USER DEFINED to set the pointer to a value different from the preset choices. Selecting USER DEFINED places the CTS 710 into Edit Mode. H Select DONE when you are finished setting the pointer value. As soon as you press DONE, the pointer is moved; you do not need to press POINTER ACTION.
  • Page 236 Select Menu Highlight Button Page Parameter Select Choice Set with New Data Flag 4. Set the Pointer S-Bits as follows: Press Menu Select Menu Highlight Button Page Parameter Select Choice Pointer S–Bits CTS 710 SONET Test Set User Manual www.valuetronics.com 3–146...

  • Page 237: Continuous Pointer Movement

    2. Select USER DEFINED to set the pointer movement to a value different from the preset choices. Selecting USER DEFINED places the CTS 710 into Edit Mode. Now you can set the rate to the exact value you want, with 1 ms resolution.
  • Page 238 When using continuous pointer movement, a message line in the display tells you the equivalent payload frequency offset in parts per million if the pointer direction is set to either increment or decrement (see Figure 3–50). CTS 710 SONET Test Set User Manual www.valuetronics.com 3–148...

  • Page 239: Changing Timing

    To generate pointer movements using frequency offset: 1. Specify the pointer/timing mode as follows: Press Menu Select Menu Highlight Button Page Parameter Select Choice TRANSMIT POINTERS & Pointer / Timing Frequency Offset TIMING Mode CTS 710 SONET Test Set User Manual www.valuetronics.com 3–149...
  • Page 240 H Select Stress –4.6ppm to set the frequency offset at the lower stratum three limit. H Select Default 0ppm to turn off frequency offset. H Select USER DEFINED to set a frequency offset different from the preset choices. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–150...

  • Page 241: Generating Pointer Sequences

    Setting Pointers and Changing Timing Selecting USER DEFINED places the CTS 710 in Edit Mode. The knob is assigned to change the value of the frequency offset. H Coarse changes the frequency offset by 10.0 ppm. H Fine changes the frequency offset by 0.1 ppm.
  • Page 242 Sequence Period Figure 3–52: The Three Periods of a Pointer Sequence H Initialization Period – a thirty second period where the CTS 710 produces a 30 second burst of 1 pointer movement per second in the same direction as the specified pointer sequence. The Initialization Period can be turned on or off.

  • Page 243: Table 3-13: Pointer Sequences Generated

    1 ms. Cancel Time between cancelled pointers is equal to: (time between pointer movements N), where N is selected to be the smallest integer that makes the product 30 s. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–153...
  • Page 244 Sequence pattern is 26 pointer movements followed by 1 missing pointer movement. Time between VT1.5 pointer movements has a range of 1 s to 10 s with a resolution of 1 ms. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–154...

  • Page 245: Table 3-14: Availability Of Pointer Sequences

    2 ms, and the time between each pair of pointer movements is 30 s. Table 3–14: Availability of Pointer Sequences Mapping Pointer Sequence VT1.5 ✔ ✔ Single ✔ ✔ Burst ✔ ✔ Phase Transient CTS 710 SONET Test Set User Manual www.valuetronics.com 3–155...

  • Page 246: Starting Pointer Sequences

    Periodic 26–1 With Add ✔ ✔ Single Alternating ✔ ✔ Double Alternating Starting Pointer Sequences To set up the CTS 710 to make generate pointer sequences: 1. Specify the pointer mode as follows: Press Menu Select Menu Highlight Button Page Parameter...
  • Page 247 4. If Sequence Type is set to anything other than Single or Double Alternating, set the pointer direction as follows: Press Menu Select Menu Highlight Button Page Parameter Select Choice Pointer Direction Increment Decrement CTS 710 SONET Test Set User Manual www.valuetronics.com 3–157...
  • Page 248 Press Menu Select Menu Highlight Button Page Parameter Select Choice Initialization Time NOTE. The Initialization Time is a set value (either 0 seconds or 30 seconds); it cannot be changed directly. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–158...
  • Page 249 After you press POINTER ACTION, the pointer sequence begins. The status area at the bottom of the display will change to indicate where the CTS 710 is within the pointer sequence; see Figure 3–54. Table 3–15 describes the meaning of the lines in the status display.

  • Page 250: Table 3-15: Status Lines For Pointer Sequences

    This information is displayed depending on sequence type. Not all information is displayed. When this information is displayed, Time Between Anomalies is displayed with Time Until Next Anomaly, and Time Between Prt Adj is displayed with Time Until Next Ptr Adj. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–160...

  • Page 251: Testing Automatic Protection Switching

    The APS mode specifies whether the network is a ring network or a span network. The APS mode determines how the K1 and K2 bytes are interpreted and displayed by the CTS 710. To specify the APS mode: Press Menu...

  • Page 252: Setting The K1 Byte

    To set the bit pattern of the K1 byte one bit at a time: Press Menu Select Menu Highlight Button Page Parameter Select Choice TRANSMIT K1 FULL BYTE Set to COMMANDS 00000000 Set to 11111111 Default 10101010 EDIT BYTE CTS 710 SONET Test Set User Manual www.valuetronics.com 3–162...

  • Page 253: Table 3-16: Choices For Bits 1-4 Of The K1 Byte When

    0110 MS–S MS–S Manual Switch Span 0111 SD–R SD–R Signal Degrade Ring 1000 SD–S SD–S Signal Degrade Span 1001 SD–P SD–P Signal Degrade Protection 1010 SF–R SF–R Signal Fail Ring 1011 CTS 710 SONET Test Set User Manual www.valuetronics.com 3–163...
  • Page 254 Not Used Not Used 0111 MS Manual Switch 1000 Not Used Not Used 1001 SD–LP SD Signal Degrade Low 1010 SD–HP SD Signal Degrade High 1011 SF–LP SF Signal Fail Low 1100 CTS 710 SONET Test Set User Manual www.valuetronics.com 3–164...
  • Page 255 To set the bit pattern for the last four bits of the K1 byte: Press Menu Select Menu Highlight Button Page Parameter Select Choice TRANSMIT Bits 5–8: as appropriate COMMANDS (under K1 FULL BYTE) CTS 710 SONET Test Set User Manual www.valuetronics.com 3–165...

  • Page 256: Setting The K2 Byte

    The second way is to assign values to the bits using preset choices, which use mnemonics to identify bit patterns. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–166...
  • Page 257 To set the bit pattern for the first four bits of the K2 byte: Press Menu Select Menu Highlight Button Page Parameter Select Choice TRANSMIT Bits 1–4: as appropriate COMMANDS (under K2 FULL BYTE) CTS 710 SONET Test Set User Manual www.valuetronics.com 3–167...

  • Page 258: Table 3-19: Choices For Bits 1-4 Of The K2 Byte

    0101 #6 (0110) 0110 #7 (0111) 0111 #8 (1000) 1000 #9 (1001) 1001 #10 (1010) 1010 #11 (1011) 1011 #12 (1100) 1100 #13 (1101) 1101 #14 (1110) 1110 #15 (1111) 1111 CTS 710 SONET Test Set User Manual www.valuetronics.com 3–168...
  • Page 259 Choice Text Bit Value Table 3–21: Choices for Bit 5 of the K2 Byte When Mode is Set to Ring Main Screen Mnemonic Choice Text Bit Value SHORT SHORT LONG LONG CTS 710 SONET Test Set User Manual www.valuetronics.com 3–169...

  • Page 260: Transmitting The K1 And K2 Bytes

    Changing the values of the K1 and K2 bytes, shown in the USER SETUP column, does not automatically change the values of the transmitted K1 and K2 bytes. The TRANSMIT column shows the K1 and K2 bytes that are being transmitted. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–170...
  • Page 261 Transmit Illegal NOTE. You cannot transmit new values for the K1 or K2 bytes when the CTS 710 is transmitting a Line AIS or Line FERF. H Select Transmit User Setup to change the value of the K1 and K2 bytes to that shown under USER SETUP.

  • Page 262: Viewing The Network Response To Aps Commands

    The network response to APS commands appears under the column labeled RECEIVE on the APS COMMANDS page (see Fig- ure 3–56). The RECEIVE Column Figure 3–56: The RECEIVE Column on the APS COMMANDS Page CTS 710 SONET Test Set User Manual www.valuetronics.com 3–172...

  • Page 263: Viewing Results

    You can look at test results while a test is running or after it has completed. The CTS 710 SONET Test Set can display test results as a summary or in a more detailed tabular form. The CTS 710 also displays measurement history in a graphical format.

  • Page 264: Viewing Detailed Results

    Pointers. The ERROR ANALYSIS page displays an analysis of errors according to T1M1. Errors on the ERROR ANALYSIS page are displayed by Section, Line, Path, VT 1.5, DSn Path, or Pattern. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–174...

  • Page 265: Displaying An Overview Of Test Results

    Parity Section B1 BIP Line B2 BIP Path B3 BIP VT BIP Pattern Bit DS1 CRC P-Bit Parity Line FEBE Path FEBE VT FEBE Frame Bit Failures Loss of Signal Seconds CTS 710 SONET Test Set User Manual www.valuetronics.com 3–175...
  • Page 266 VT FERF Seconds DSn AIS Seconds DSn Yellow Seconds DS3 Idle Seconds Pointers Loss of Pointer Seconds New Data Flag Seconds Illegal Pointer Seconds Positive Justifications Negative Justifications Illegal Pointer Count Pointer Value CTS 710 SONET Test Set User Manual www.valuetronics.com 3–176...

  • Page 267: Displaying An Analysis Of Test Results

    ANALYSIS page is made up of two numbers. The first number is the number of seconds the condition existed. The second number is the percentage of the test duration that the condition existed. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–177...
  • Page 268 Errored Seconds Errored Seconds – Type A Errored Seconds – Type B Severely Errored Seconds Unavailable Seconds Error Free Seconds Line Analysis (FEBE) Error Counts Errored Seconds Unavailable Seconds Error Free Seconds CTS 710 SONET Test Set User Manual www.valuetronics.com 3–178...
  • Page 269 Analysis Result VT 1.5 Analy- VT Analysis (V5 BIP) Error Counts Errored Seconds Errored Seconds – Type A Errored Seconds – Type B Severely Errored Seconds Unavailable Seconds Error Free Seconds CTS 710 SONET Test Set User Manual www.valuetronics.com 3–179...
  • Page 270 Errored Seconds Errored Seconds – Type A Errored Seconds – Type B Severely Errored Seconds Unavailable Seconds Error Free Seconds NOTE. There is no analysis performed on unframed DS1 or DS3 signals. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–180...

  • Page 271: Viewing Measurement Histories

    Unavailable Seconds Error Free Seconds Viewing Measurement Histories The CTS 710 records measurement histories whenever you run a test. Measurement histories are displayed as graphs. The graph displays how an individual measurement changed over time. The vertical axis CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 272: Types Of Graphs

    Table 3–31 lists the different bar graphs that can be displayed. Figure 3–58: Bar Graphs Showing Code Violations and Errored Seconds CTS 710 SONET Test Set User Manual www.valuetronics.com 3–182...
  • Page 273 (see Figure 3–59). The vertical axis of the line graph ranges from 0 to the maximum, which is different for SPEs and VTs. There is only one measurement displayed as a line graph, as shown in Table 3–32. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–183...
  • Page 274 On/Off Graphs. On/off graphs indicate whether alarms and failures were on or off (see Figure 3–60). There are only two types of on/off graphs, as shown in Table 3–33. One type displays alarms and the other type displays failures. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–184...
  • Page 275 Figure 3–60: On/Off Graphs Showing Failures and Alarms Table 3–33: Measurements Displayed as On/Off Graphs for SONET Rates Graph Type Displayed Value Failures STS LOP VT LOP VT LOM Power SONET Alarms L-AIS L-FERF P-AIS P-FERF CTS 710 SONET Test Set User Manual www.valuetronics.com 3–185...

  • Page 276: Elements Of The History Graph Display

    Above the graph name is a line that states the minimum resolution at which the graph can be displayed. The minimum resolution is set at the time the test is run. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–186...

  • Page 277: Power Out Indicator

    Viewing Results Power Out Indicator If the power to the CTS 710 fails while a test is running, the CTS 710 displays the words “POWEROUT” on the history graph. POWEROUT is displayed vertically on the graph and spans the period of time the CTS 710 was without power.

  • Page 278: Zooming History Graphs

    Table 3–35: Time Represented by Bars on History Graph History Resolution = Normal History Resolution = Low (1 min samples) (15 min samples) 1 minute 15 minutes 5 minutes 60 minutes CTS 710 SONET Test Set User Manual www.valuetronics.com 3–188...
  • Page 279 The timestamp error is simply revealing the clock accuracy. The correct number of intervals for the test duration are present. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–189...

  • Page 280: Panning History Graphs

    H Select Show Next Top to automatically display the next graph on the top half of the screen. H Select Change Top to select a different graph for display on the top half of the screen. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–190...

  • Page 281: Displaying Mini-Graphs

    Use the mini-graph capability to view several results at once. With mini-graphs displayed, the CTS 710 displays four graphs at the same time. This will enable you to see relationships between different results that might otherwise be difficult to spot.

  • Page 282: Saving And Recalling Results

    Saving Test Results to Disk NOTE. The CTS 710 saves only the last 3 days (at a History Resolution of Normal) or 45 days (at a History Resolution of Low) of test results.
  • Page 283 24 characters long. Select DONE when you are finished editing the description. H Select None if you do not want to use a description. H Select Clear to remove an existing description. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–193...

  • Page 284: Recalling Test Results From Disk

    .MST. It does not display any other files on the disk. To verify that the file has been recalled, select the TEST SUMMARY page and look at the Results Source line at the top of CTS 710 SONET Test Set User Manual www.valuetronics.com 3–194...

  • Page 285: Deleting Test Results From Disk

    2. Select the test results file to be deleted, as follows: Press Menu Select Menu Highlight Button Page Parameter Select Choice RESULTS RECALL Disk RESULTS (see Figure 3–64) select disk file Delete File name CTS 710 SONET Test Set User Manual www.valuetronics.com 3–195...

  • Page 286: Recalling Test Results From Memory

    There are two ways to print out the results of the current test. One way is to tell the CTS 710 which results to print from the print dialog box. The second way is to display the results you wish to print out and then print the displayed screen (this is the only way to print out history graphs).
  • Page 287 ERROR ANALYSIS page. H Select Abort to cancel a printout in process. H Select EXIT if you decide not to print out any test results. Figure 3–65: The PRINT CONTROL Dialog Box CTS 710 SONET Test Set User Manual www.valuetronics.com 3–197...

  • Page 288: Printing History Graphs

    3–196) and then print as previously described. Printing History Graphs To print a history graph from the CTS 710: 1. Display the history graph you want to print. The history graph can be for the current test or the previous test or it can be recalled from disk.

  • Page 289: Changing Instrument Settings

    You will also find a description of how to run the instrument self-test in this section. Viewing the Instrument Configuration You can display a page that describes how the CTS 710 is configured as well as the installed options and the hardware and firmware revision level.

  • Page 290: Setting The Display Brightness

    You can set the display brightness to three levels: Low, Medium, and High. To set the display brightness: Press Menu Select Menu Highlight Button Page Parameter Select Choice UTILITY MISC SETTINGS Display (see Figure 3–66) Brightness Medium High CTS 710 SONET Test Set User Manual www.valuetronics.com 3–200...

  • Page 291: Turning The Beeper On And Off

    Figure 3–66: The MISC SETTINGS Page Turning the Beeper On and Off The CTS 710 has a beeper. The beeper is used alert you when a pass/fail test has completed, or when certain conditions occur. You can turn off the beeper if you wish.

  • Page 292: Setting The Date

    MISC SETTINGS Current Date SET DATE After you select SET DATE, the CTS 710 enters Edit Mode. 2. Assign the knob by selecting Year, Month, or Day as necessary. 3. Turn the knob to change the setting. 4. Select CANCEL to abort any changes and exit Edit Mode.

  • Page 293: Changing The Printer Setup

    RS-232 connection. Figure 3–67: The PRINTER SETUP Page Setting up the CTS 710 for a printer consists of two steps, specifying the printer or file type and setting RS-232 parameters. Additionally, CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 294: Specifying The Printer Or File Type

    H Select To Disk EPS Format to print a file to disk in Encapsu- lated PostScript format. Setting RS-232 Parameters To determine the correct RS-232 settings for your printer, refer to the manual that came with your printer. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–204...
  • Page 295 Press Menu Select Menu Highlight Button Page Parameter Select Choice UTILITY PRINTER Baud Rate 1200 SETUP 2400 4800 9600 Stop Bits Parity None Even Flow Control None Software Hardware H/W & S/W CTS 710 SONET Test Set User Manual www.valuetronics.com 3–205...

  • Page 296: Setting The Print User & Company Text

    Changing Instrument Settings Setting the Print User & Company Text You can have the CTS 710 include text on a printout that identifies the user name and company name. Including this text is optional. To set the user name and company name:...

  • Page 297: Setting The Gpib Address

    H Select Inc to increment the GPIB address. H Select Dec to decrement the GPIB address. H Select Offline to place the CTS 710 in the offline state. H The maximum GPIB address value is 30. The minimum GPIB address value is 0.

  • Page 298: Setting Rs-232 Parameters

    Setting RS-232 Parameters The appropriate settings for RS-232 parameters depend on how the controller is set up. Refer to the user manual that came with your controller to determine the correct settings. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–208...
  • Page 299 2400 4800 9600 Stop Bits Parity None Even Hardware Ha sha e Handshake Software None Ha sha e Handshake Xon/Xoff Data Carrier Dete t Detect Tx Delay (Seconds) e o s CTS 710 SONET Test Set User Manual www.valuetronics.com 3–209...

  • Page 300: Running Instrument Self Tests

    The other self tests available for selection are for servicing the instrument. Complete details on the self tests are located in the CTS 710 SONET Test Set & CTS 750 SDH Test Set Service manual. CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 301: Running The Power Up Self Test

    Self Test Loop Once Self Test Control H Select Abort to stop a self test in progress. If your CTS 710 fails the self test, contact the nearest Tektronix Service Center. CTS 710 SONET Test Set User Manual www.valuetronics.com 3–211...
  • Page 302 Changing Instrument Settings CTS 710 SONET Test Set User Manual www.valuetronics.com 3–212...

  • Page 303: Appendices

    Appendices www.valuetronics.com...

  • Page 305: Appendix A: Menu Maps

    1. Named when saved 2. Named when saved Recall 3. Named when saved Setup 4. Named when saved 5. Named when saved Disk Choices depend on disk content Recall Setup Delete File CTS 710 SONET Test Set User Manual www.valuetronics.com A–1...

  • Page 306: Recall Pass/Fail Tests Page

    SAVE INSTRUMENT SETUPS Page Name SETUP_XX Description Clear Save to Memory EDIT NAME Save To Disk None Clear EDIT TEXT Memory 1 Memory 2 Memory 3 Memory 4 Memory 5 Save File CTS 710 SONET Test Set User Manual www.valuetronics.com A–2...

  • Page 307: Save Pass/Fail Tests Page

    5 min 15 min 1 hour Continuous USER DEFINED Up to four fail if conditions can be specified Default Clear Preview EDIT TEXT Nothing Print Summary Save to Disk Save File CTS 710 SONET Test Set User Manual www.valuetronics.com A–3...

  • Page 308: Transmit Settings Page (1 Of 2)

    (Structure= (Structure= 1 x STS-1) 3 x STS-1) 1 x STS-3c) (Structure= (Structure= 4 x STS-3c) 12 x STS-1) Bulk Fill No Mapping (Equipped) Bulk Fill No Mapping (UnEquipped) VT1.5 Async CTS 710 SONET Test Set User Manual www.valuetronics.com A–4...

  • Page 309: Transmit Settings Page (2 Of 2)

    User Word 16 bit 3 in 24 User Word User Word 24 bit 8 bit User Word 16 bit User Word 24 bit (Mapping= VT1.5 Async) QRSS 2^20–1 Independ- Coupled Through Mode CTS 710 SONET Test Set User Manual www.valuetronics.com A–5...

  • Page 310: Errors & Alarms Page (1 Of 4)

    Section B1 Section B1 Line B2 Line B2 Path B3 Path B3 Path FEBE Path FEBE Frame Bit Frame Bit VT BIP Pattern Bit VT FEBE P–Bit Pattern Bit CRC (ESF) CTS 710 SONET Test Set User Manual www.valuetronics.com A–6...

  • Page 311: Errors & Alarms Page (2 Of 4)

    ERRORS & ALARMS Page (2 of 4) Error Type set to Error Rate set to None Transmit Alarm set to 1e–3 Transmit Failure set to 1e–4 1e–5 1e–6 1e–7 1e–8 USER DEFINED CTS 710 SONET Test Set User Manual www.valuetronics.com A–7...

  • Page 312: Errors & Alarms Page (3 Of 4)

    DSn AIS DSn Idle (Mapping=VT1.5 Async & Payload= DS1 SF (D4) or DS1 ESF) None Line AIS Line FERF Path AIS Path FERF VT AIS VT FERF DSn Yellow DSn AIS CTS 710 SONET Test Set User Manual www.valuetronics.com A–8...

  • Page 313: Errors & Alarms Page (4 Of 4)

    Error Rate set to Transmit Alarm set to Transmit Failure set to (Mapping= (Mapping= (Mapping=DS3) No Mapping) VT1.5 Async) None None None STS LOP STS LOP STS LOP VT LOP VT LOM CTS 710 SONET Test Set User Manual www.valuetronics.com A–9...

  • Page 314: Pointers & Timing Page (1 Of 3)

    Pointer Rate Line Pointer Direction Payload Burst Size Initialization Time (Pointer/Timing Mode= Cool Down Time Frequency Offset) Max +100ppm Stress +4.6ppm Stress –4.6ppm Default 0ppm USER DEFINED STS Pointer VT Pointer CTS 710 SONET Test Set User Manual www.valuetronics.com A–10...

  • Page 315: Pointers & Timing Page (2 Of 3)

    26-1 With Add With Add Single Single Alternating Alternating Double Double Alternating Alternating Single Burst Set Value Continuous (Pointer Control=Set Value) Min 0 Max 782 Default Illegal (Max +1) USER DEFINED CTS 710 SONET Test Set User Manual www.valuetronics.com A–11...

  • Page 316: Pointers & Timing Page (3 Of 3)

    100 ms Default 1000 ms 50ms 10000ms USER USER DEFINED DEFINED (Pointer Control= (Pointer/Timing Mode= Continuous) Pointer Sequences) Increment Increment Decrement Decrement Alternate (Pointer Control=Burst) (Pointer/Timing Mode=Pointer Sequences) (Pointer/Timing Mode=Pointer Sequences) CTS 710 SONET Test Set User Manual www.valuetronics.com A–12...

  • Page 317: Aps Commands Page (1 Of 3)

    SF–S Signal Fail Span SF Signal Fail Low FS–R Forced Switch Ring SF Signal Fail High FS–S Forced Switch Span FS Forced Switch LP–S Lockout of Protection Span LP Lockout of Protection CTS 710 SONET Test Set User Manual www.valuetronics.com A–13...

  • Page 318: Aps Commands Page (2 Of 3)

    #5 (0101) #6 (0110) #7 (0111) #8 (1000) #9 (1001) #10 (1010) #11 (1011) #12 (1100) #13 (1101) #14 (1110) #15 (1111) Set to 00000000 Set to 11111111 Default 10101010 EDIT BYTE CTS 710 SONET Test Set User Manual www.valuetronics.com A–14...

  • Page 319: Aps Commands Page (3 Of 3)

    #15 (1111) (APS Mode=Span) (APS Mode=Ring) Short Long IDLE BR Bridged BR & SW Bridged & Switched Not Used Not Used Not Used FERF Transmit User Setup Transmit Default Transmit Illegal CTS 710 SONET Test Set User Manual www.valuetronics.com A–15...

  • Page 320: Transport Overhead Page

    Menu Maps TRANSPORT OVERHEAD Page Showing Overhead for Choices depend on transmit rate External Add None D1–D3 D4–D12 Reset Overhead Set to 10101010 Set to 11111111 Default xxxxxxxx EDIT BYTE CTS 710 SONET Test Set User Manual www.valuetronics.com A–16...

  • Page 321: Path Overhead Page

    STS Path Overhead) Reset Overhead Set to 10101010 Set to 11111111 Default xxxxxxxx (Overhead View= EDIT BYTE V5 Byte) Reset Overhead Set to 10101010 Set to 11111111 Default xxxxxxxx EDIT BYTE CTS 710 SONET Test Set User Manual www.valuetronics.com A–17...

  • Page 322: Receive Settings Page (1 Of 2)

    (Rate= (Rate= STS-1/OC-1) STS-3/OC-3) OC-12) STS-1 STS-1 STS-1 STS-3C STS-3C 1 ... 12 (depending on Rate and Structure) Mapping (Equipped) Mapping (UnEquipped) VT1.5 Async (Mapping=VT1.5) VT #1 VT #28 Next Previous CTS 710 SONET Test Set User Manual www.valuetronics.com A–18...

  • Page 323: Receive Settings Page (2 Of 2)

    1 in 8 16 bit Unknown 3 in 24 User Word 24 bit User Word 8 bit Unknown User Word 16 bit User Word 24 bit Unknown Independ– Coupled Through Mode CTS 710 SONET Test Set User Manual www.valuetronics.com A–19...

  • Page 324: Signal Status Page

    Received Peak Voltage TRANSPORT OVERHEAD Page Showing Overhead for Choices depend on receive rate External Drop Pause Control None D1–D3 D4–D12 Pause Continue Bytes that can be viewed on this page CTS 710 SONET Test Set User Manual www.valuetronics.com A–20...

  • Page 325: Path Overhead Page

    View Only (Overhead View= V5 Byte) View Only TEST SUMMARY Page Results Source: Results Rate: Results Mapping: Displayed information is taken from last test run. Test Started: Elapsed Time: TROUBLE SCAN CTS 710 SONET Test Set User Manual www.valuetronics.com A–21...

  • Page 326: Main Results Page

    Menu Maps MAIN RESULTS Page Errors Failures Alarms Pointers ERROR ANALYSIS Page Section Analysis Line Analysis Path Analysis VT1.5 Analysis Analysis Payload Analysis Analysis CTS 710 SONET Test Set User Manual www.valuetronics.com A–22...

  • Page 327: History Graphs Page

    Pattern Errored Secs Graph VT BIP2 Error Counts VT BIP2 Errored Secs VT FEBE Error Count VT FEBE Errored Secs STS Pointer Justification STS Pointer Value VT Pointer Justification VT1.5 Pointer Value CTS 710 SONET Test Set User Manual www.valuetronics.com A–23...

  • Page 328: Save Results Page

    Memory Current Recall Previous Result Disk Choices depend on disk content Recall Result Delete File MISC SETTINGS Page Display Brightness Beeper Medium Current Date High Current Time SET DATE SET TIME CTS 710 SONET Test Set User Manual www.valuetronics.com A–24...

  • Page 329: Printer Setup Page

    Printer User & Company To Disk User Name Ileaf Format Company Name To Disk EPS Format 1200 2400 4800 9600 None Even None Software Hardware H/W & S/W EDIT TEXT EDIT TEXT CTS 710 SONET Test Set User Manual www.valuetronics.com A–25...

  • Page 330: Remote Control Page

    Default 4 RS–232 Baud Rate Stop Bits Offline Parity Hardware Handshake 1200 Software Handshake 2400 Data Carrier Detect Tx Delay (Seconds) 4800 Tx Terminator 9600 None Even None Xon/Xoff CR/LF LF/CR CTS 710 SONET Test Set User Manual www.valuetronics.com A–26...

  • Page 331: Instr Config Page

    Self Test Loop control Self Test View Results SYS Int. SYS Ext. Protocol Bd Clock Bd O/E Mod. Tributary Display Front Panel Disk Once Thousand Until Error Forever Page Up Page Down CTS 710 SONET Test Set User Manual www.valuetronics.com A–27...
  • Page 332 Menu Maps CTS 710 SONET Test Set User Manual www.valuetronics.com A–28...

  • Page 333: Appendix B: Status And Error Messages

    CTS 710 has completed. Status messages appear during normal operation. Error messages are statements about actions the CTS 710 was unable to complete. Error messages appear when the CTS 710 is unable to perform a requested action. Status Messages Autoscan complete.
  • Page 334 Previous power down instrument state restored. This message appears when the CTS 710 turns on. It means that the settings in effect when the CTS 710 was last turned off have been successfully restored.

  • Page 335: Error Messages

    Autoscan was in progress. Button disabled in edit mode. You pressed a front-panel button while the CTS 710 was in edit mode. You must exit edit mode before you can use the front-panel buttons. Button disabled when dialog box is displayed. You pressed a front-panel button while a dialog box (for example, PRINT CONTROL) was displayed.
  • Page 336 Could not create disk file. The CTS 710 was unable to create a file on the disk. Try saving the file on a different disk.
  • Page 337 Error insertion disabled while in Through Mode. You pressed the INSERT ERROR button while the CTS 710 was in Through Mode. You cannot insert errors while the CTS 710 is in Through Mode because the transmit signal must match the received signal.
  • Page 338 This occurs when a file is recalled that happens to have the same extension as the type of CTS 710 file being recalled, but it is not a CTS 710 file. CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 339 Numeric value greater than maximum limit. You attempted to enter a numeric value larger than the maximum value. Numeric value less than minimum limit. You attempted to enter a numeric value smaller than the minimum value. CTS 710 SONET Test Set User Manual www.valuetronics.com B–7...
  • Page 340 Warning: No received signal currently identified. You started a test while there was no received signal. Write Failure on Disk. The CTS 710 was unable to write to the disk. Try saving the file on a different disk. CTS 710 SONET Test Set User Manual www.valuetronics.com...

  • Page 341: Appendix C: Default Factory Settings

    Transmit Pointer/Timing Mode Pointer Movements Transmit Pointer Type Transmit Pointer Control Single Transmit Pointer Value Transmit Pointer Set with New Data Flag APS Mode RING Receive Rate STS-1 Receive Level Cross Connect CTS 710 SONET Test Set User Manual www.valuetronics.com C–1...
  • Page 342 No Mapping (Equipped) Receive Tributary Drop Receive Test Pattern PRBS 2^23–1 Test Duration Continuous Receive Path Overhead External Drop None Beeper Display Brightness Medium Printer Type TEK DPU-411 Print User & Company CTS 710 SONET Test Set User Manual www.valuetronics.com C–2...

  • Page 343: Appendix D: Specifications

    –10 dBm, typical 1310 nm (Opt. 03, 04, 06) 0 dBm, typical, 1550 nm (Opt. 05, 06) Pulse Shape Meets Bellcore GR-253-CORE Eye Pattern Masks Wavelength 1308 nm, typical (Opt. 03, 04, 06) 1550 nm, typical (Opt. 05, 06) CTS 710 SONET Test Set User Manual www.valuetronics.com D–1...
  • Page 344 Appendix D: Specifications Table D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description ≤ 4 nm, 1310 nm (Opt. 03, 04, 06) Spectral Width ≤ 1 nm, 1550 nm (Opt. 05, 06) Laser Classification Class 1 laser, complies with 21 CFR 1040.10 and 1040.11, complies with IEC 825, Section 9.4...
  • Page 345 Appendix D: Specifications Table D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description ±4.6 ppm, for instrument calibrated within 24 Accuracy months External Clock Reference 1.544 MHz ±40 ppm Rate Balanced, 100 W ±5%, Bantam connector Input Recovered Clock Loop timing...
  • Page 346 Appendix D: Specifications Table D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Return Loss >15 dB Connector Unbalanced, 75 W BNC Optical Input Data Rates OC-1: 51.84 Mb/s (±100 ppm) OC-3: 155.52 Mb/s (±100 ppm) OC-12: 622.08 Mb/s (±100 ppm) Maximum Input Power –7 dBm:...
  • Page 347 Appendix D: Specifications Table D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Path Overhead Access Set Path Overhead bytes to any value from binary 00000000 to 11111111: C2, F2, Z3, Z4, and Z5 View all Path Overhead bytes Add/Drop Insert data from the Overhead Add/Drop connector...
  • Page 348 Appendix D: Specifications Table D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Phase transient pointer adjustment Time between 7 pointers is 0.25 s, 0.25 s, 0.5 s, burst 0.5 s, 0.5 s, 0.5 s. Time between pointer burst: 30 s.
  • Page 349 Appendix D: Specifications Table D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Pattern Bit Seconds Error-Count, ES, ES-A, ES-B, SES, UAS, EFS and % of total time LEDs Status Indicators LOS, LOF, LOP, Line AIS, Line FERF, Path AIS, Path FERF, Errors, Pointer Adjust, Signal Present,...
  • Page 350 Appendix D: Specifications Table D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description AutoScan AutoScan to incoming signal (rate, mapping, framing, and pattern). Identifies incoming signal and presents graphical display of SPE and VT structure. Identifies VT signal status by showing VT number, equipped vs unequipped, alarms and pattern.
  • Page 351 Appendix D: Specifications Table D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Help Mode Online task-oriented help Display 7 inch diagonal CRT, magnetic deflection Horizontal raster-scan green phosphor Resolution: 640 by 480 pixels VGA output: 15 pin connector CTS 710 SONET Test Set User Manual www.valuetronics.com...
  • Page 352 Single or Continuous CRC-6 Error (ESF only) Pattern Bit Error DS3: Frame Bit Error P Parity Bit Error (M13 framing only) C Parity Bit Error (C-Bit parity only) Pattern Bit Error CTS 710 SONET Test Set User Manual www.valuetronics.com D–10...
  • Page 353 VT Loss of Multiframe DS3 SPE Add Source Internal DS3 Generator Received DS3 signal Transmitter Clock Internal Clock ±4.6 ppm, for instrument calibrated within 24 Accuracy months Depends on error type. CTS 710 SONET Test Set User Manual www.valuetronics.com D–11...
  • Page 354 20 dB flat loss below DSX-1 0.6 Vpk ±0.24 V into 75 W DSX-3: DS-3 Monitor: 20 dB flat loss below DSX-3 Connectors Bantam 100 W DS1: DS3: BNC 75 W CTS 710 SONET Test Set User Manual www.valuetronics.com D–12...
  • Page 355 Set VT Path Overhead bytes to any value from binary 00000000 to 11111111: Z3, Z4, and Z5 View all Path Overhead bytes VT1.5 Path Trace Byte J2 Send user-defined 16-byte sequence, or set to 00000000 View Path Trace J2 CTS 710 SONET Test Set User Manual www.valuetronics.com D–13...
  • Page 356 Time between pointer burst: 30 s Periodic pointer adjustment test – 26–1 pattern sequence – 26–1 pattern – 26–1 pattern with Cancelled pointer movement number 26 – 26–1 pattern with Added pointer after the 13th pointer CTS 710 SONET Test Set User Manual www.valuetronics.com D–14...
  • Page 357 Yellow (DS3 FERF) Idle Loss of Pattern Sync Loss of Frame Loss of Signal VT1.5 Alarm and Failure Seconds for VT AIS VT FERF VT Loss of Pointer VT Loss of Multiframe CTS 710 SONET Test Set User Manual www.valuetronics.com D–15...
  • Page 358 VT-LOP, VT-AIS, VT-FERF, VT-LOM, Pattern Loss, Loss of Power VT1.5 Pointers VT Pointer Value, Pointer Justification Measurement Utilities Measurement Control Manual Start/Stop Timed: 1 s to 99 days with 1 s resolution Continuous CTS 710 SONET Test Set User Manual www.valuetronics.com D–16...
  • Page 359 To 95%, relative humidity at or below +45_ C for 2 hours or less To 90% relative humidity at or below 30_ C, continuous Transportation Handling Qualifies under National Safe Transit Association 1s Pre-shipment Test; 1A-B-1. CTS 710 SONET Test Set User Manual www.valuetronics.com D–17...
  • Page 360 Immunity IEC 801-4 Electrical Fast Transient/Burst Immunity IEC 801-5 Power Line Surge Immunity FCC Compliance Emissions comply with FCC Code of Federal Regulations 47, Part 15, Subpart B, Class A Limits CTS 710 SONET Test Set User Manual www.valuetronics.com D–18...
  • Page 361 Max. Operating altitude: 2000 m Equipment Type: Test and measuring Safety Class: Class I, grounded product (IEC1010-1) Overvoltage Category: CAT II (IEC1010-1) Polution Degree: Polution Degree 2, rated for indoor use only (IEC1010-1) CTS 710 SONET Test Set User Manual www.valuetronics.com D–19...
  • Page 362 Local-level mains (wall sockets). Equipment at this level includes appliances, portable tools, and similar products. Equipment is usually cord-connected CAT I Secondary (signal level) or battery operated circuits of electronic equipment CTS 710 SONET Test Set User Manual www.valuetronics.com D–20...

  • Page 363: Appendix E: Incoming Inspection Test

    Appendix E: Incoming Inspection Test The purpose of the incoming inspection test is to verify that the CTS 710 SONET Test Set is functioning properly. The incoming inspection test relies on the front panel status lights to indicate the results of the test. Figure E–1 shows the location of the status lights used in these procedures.

  • Page 364: Loop-Back Connection

    012-1314-00 signals length, bantam connectors This equipment is required to test a CTS 710 with any one of the optional Optical/Electrical Plug-in Interface Modules installed; otherwise, it is not required. Loop-Back Connection The incoming inspection test requires an external loop-back connection from the TRANSMIT/OUT output to the RECEIVE/IN input.

  • Page 365: How To Proceed

    You can perform the following tests in any order. Each test is independent and does not depend on the setup from the previous test. H Turn on the CTS 710. Allow it to warm up for 20 minutes before proceeding with the tests.

  • Page 366: Sonet Signals

    SELF TEST Self Test Group Sys: Ext Self Test Control SONET Signals This test checks that the CTS 710 transmits and receives error-free signals at all SONET rates. Equipment 75 W BNC coaxial cable for electrical loop-back Required Optical loop-back cable if Electrical/Optical Plug-in...
  • Page 367 Appendix E: Incoming Inspection Test 2. Perform the initial setup of the CTS 710 with the following sequence: Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS RECALL DEFAULT Recall Setup INSTRUMENT FACTORY SETUPS SETTINGS TRANSMIT TRANSMIT...

  • Page 368: Tributary Signals (Add/Drop/Test Option Only

    8. Press the CLEAR HISTORY button, wait two seconds, and then verify that no yellow history lights are on. 9. If your CTS 710 does not have OC-12 capability, you have completed the incoming inspection test. To check the OC-12 rate,...
  • Page 369 Appendix E: Incoming Inspection Test 1. Attach electrical and optical loop-back cables from the OUT outputs to the IN inputs. 2. Perform the initial setup of the CTS 710 with the following sequence: Press Menu Select Menu Highlight Button Page...
  • Page 370 Appendix E: Incoming Inspection Test CTS 710 SONET Test Set User Manual www.valuetronics.com E–8...

  • Page 371: Appendix F: Example Disk Contents

    CTS 710 to generate an STS-1 signal that contains alarms, errors and pointer movements. The STRESS file is an example of how the CTS 710 can save you time by storing instrument setups on disk for later recall. Test Results The ONEDAY file is a test results file.
  • Page 372 TEST SETUPS menu. You can see how the test was set up by viewing the test parameters on the SAVE PASS/FAIL TESTS page of the TEST SETUPS menu after you recall the test. CTS 710 SONET Test Set User Manual www.valuetronics.com F–2...

  • Page 373: Appendix G: Rear-Panel Connectors

    Figure G–1: CTS 710 Rear Panel Connectors VGA Video Output The CTS 710 can drive an external IBM-compatible VGA monitor. There are no parameters to set in order to drive an external monitor. The output is monochrome (green only); the resolution is 640 pixels ×...
  • Page 374 Figure G–2: The VGA Video Output Connector Table G–1: VGA Video Output Connector Pin Assignment Pin Number Description Ground Video Signal (Green) Ground – – Ground Ground Ground – Ground Ground – Horizontal Sync Vertical Sync – CTS 710 SONET Test Set User Manual www.valuetronics.com G–2...
  • Page 375 REMOTE CONTROL page of the UTILITY menu. You can find more detailed information on remote control of the CTS 710 in the CTS 710 SONET Test Set Programmer Manual. Figure G–3 shows how the pins are numbered on the RS-232 port.

  • Page 376: External Clock Input

    Calibration Signal Output You use the calibration signal output for servicing the CTS 710. Information on servicing the CTS 710 is located in the CTS 710 SONET Test Set & CTS 750 SDH Test Set Service Manual, Tektronix part number 070-8853-XX.

  • Page 377: Overhead Add/Drop Port

    576 kbps 2.16 MHz D9, D10, D11, D12 Section User 64 kbps 72 kHz Channel Path User Channel 64 kbps 72 kHz The Line DCC signal has a 1/3–2/3 duty ratio. CTS 710 SONET Test Set User Manual www.valuetronics.com G–5...
  • Page 378 Table G–5: Overhead Add/Drop Port Data Signal Pin Assignments Signal +Pin –Pin Added Tx Data (input) Added Tx Clock (output) Tx Common (ground) – Dropped Rx Data (output) Dropped Rx Clock (output) Rx Common (ground) – CTS 710 SONET Test Set User Manual www.valuetronics.com G–6...

  • Page 379: Bits Timing Reference Input

    The Frame Pulse signals are nominal 8 kHz, TTL, single-ended signals. BITS Timing Reference Input Use the BITS (Building Integrated Timing Supply) timing reference input connector to connect to a BITS reference. To synchronize the CTS 710 transmit clock with a BITS reference: Press Menu Select Menu Highlight...
  • Page 380 Appendix G: Rear-Panel Connectors CTS 710 SONET Test Set User Manual www.valuetronics.com G–8...

  • Page 381: Appendix H: Changing Optical Port Connectors

    Clean the fiber connector with a clean cloth. To clean an optical port: 1. Verify that the CTS 710 has been turned off with the principal power switch on the rear panel. 2. Remove the four screws that attach the bulkhead connector to the front panel (see Figure H–1).

  • Page 382: Changing The Optical Port Connectors

    If you wish to change to the ST, DIN 47256, or SC connectors perform the following procedure: 1. Verify that the CTS 710 has been turned off with the principal power switch on the rear panel. 2. Remove the four screws that attach the bulkhead connector to the front panel (see Figure H–1).
  • Page 383 Appendix H: Changing Optical Port Connectors Figure H–2: FC Optical Bulkhead Assembly Figure H–3: ST Optical Bulkhead Assembly CTS 710 SONET Test Set User Manual www.valuetronics.com H–3...
  • Page 384 Figure H–4: DIN 47256 Optical Bulkhead Assembly Figure H–5: SC Optical Bulkhead Assembly 5. Replace the current bulkhead with the one you wish to use and reassemble. 6. Installation is the reverse of steps 1 through 3. CTS 710 SONET Test Set User Manual www.valuetronics.com H–4...

  • Page 385: Appendix I: Packing For Shipment

    Appendix I: Packing for Shipment If you ship the CTS 710, pack it in the original shipping carton and packing material. If the original packing material is not available, package the instrument as follows: 1. Obtain a corrugated cardboard shipping carton with inside dimensions at least 15 cm (6 in) taller, wider, and deeper than the CTS 710.
  • Page 386 Appendix I: Packing for Shipment CTS 710 SONET Test Set User Manual www.valuetronics.com I–2...

  • Page 387: Glossary And Index

    Glossary and Index www.valuetronics.com...
  • Page 389 Bit Error An incorrect bit. Also known as a coding violation. BITS An acronym for Building Integrated Timing Supply. COFA An acronym for Change of Frame Alignment. CTS 710 SONET Test Set User Manual www.valuetronics.com Glossary–1...
  • Page 390 Rate Multiple of DS1 1.544 Mb/s DS1c 3.152 Mb/s 6.312 Mb/s 44.736 Mb/s An acronym for Error Free Seconds. An acronym for Errored Second. A second with at least one error. CTS 710 SONET Test Set User Manual www.valuetronics.com Glossary–2...
  • Page 391 LTE that a Line AIS or incoming line failure has been detected. Line Overhead (LOH) Controls the payload information using the section layer and provides alarm indications, error monitoring, and message signalling between two LTEs. CTS 710 SONET Test Set User Manual www.valuetronics.com Glossary–3...
  • Page 392 An optical version of an STS-N signal. Path The portion of a transmission network between two terminal multiplexers. Path Overhead (POH) A set of bytes allocated within the information payload to carry CTS 710 SONET Test Set User Manual www.valuetronics.com Glossary–4...
  • Page 393 Severely Errored Seconds (SES) A second with more than N CVs. N varies with the transmit rate but corresponds to a BER of 2 × 10 –7 An acronym for Section Overhead. CTS 710 SONET Test Set User Manual www.valuetronics.com Glossary–5...
  • Page 394 Data Rate (Mb/s) STS-1 OC-1 51.84 STS-3 OC-3 155.52 STS-9 OC-9 466.56 STS-12 OC-12 622.08 STS-18 OC-18 933.12 STS-24 OC-24 1244.16 STS-36 OC-36 1866.24 STS-48 OC-48 2488.32 An acronym for Terminal Equipment. CTS 710 SONET Test Set User Manual www.valuetronics.com Glossary–6...
  • Page 395 The sizes of VT currently in use are VT1.5, VT2, VT3, and VT6. Yellow Signal A code sent upstream to indicate that a failure condition has been declared downstream. CTS 710 SONET Test Set User Manual www.valuetronics.com Glossary–7...
  • Page 396 Glossary CTS 710 SONET Test Set User Manual www.valuetronics.com Glossary–8...
  • Page 397 APS response, checking, 3–161 Architecture, APS COMMANDS, 3–169 AUTOSCAN button, 3–55 Change Bottom, HISTORY GRAPHS, 3–191 Change Top, HISTORY GRAPHS, 3–190 B3ZS, Transmit Line Code, 3–94 changing. See editing B8ZS, Transmit Line Code, 3–94 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–1...

  • Page 398: Transmit Settings

    Continuous, Test Duration, 3–23 3–148 controls, front panel, 2–2 Default Cool Down Period, 3–152 Operator End Prompt, 3–48 Cool Down Time, POINTERS & Operator Start Prompt, 3–46 TIMING, 3–159 cooling requirements, 1–7 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–2...
  • Page 399 Destination Node ID, APS COM- Framing, 3–95, 3–125 MANDS, 3–165 Payload, 3–74, 3–111 Detected, SAVE PASS/FAIL DS1 Ext Add, Payload, 3–74 TESTS, 3–39 DS1 Path Analysis, ERROR dimmed text, 2–16 ANALYSIS, 3–181 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–3...

  • Page 400: Save Results

    DSn AIS, Transmit alarm set to, ERROR, status light, 3–60 3–137 Error Count, Fail If condition, 3–41 DSn Path Analysis, 3–177 error messages, B–3 DSn Yellow, Transmit alarm set to, error rate, 3–133 3–137 maximum, 3–133 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–4...
  • Page 401 GPIB parameters, 3–206 GPIB Primary Address, REMOTE CONTROL, 3–207 GPIB programming. See Program- External Add, 3–85 mer Manual External Drop, 3–118 green lights, 2–4, 3–59 External Add, 3–86 External Drop, 3–119 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–5...
  • Page 402 Line AIS, Transmit alarm set to, Initialization Time, POINTERS & 3–136 TIMING, 3–158 Line Clock Offset, TRANSMIT initializing the CTS, 3–35 SETTINGS, 3–93 INSERT ERROR button, 3–133 Line DCC, Overhead Add/Drop installation, 1–7 Port, G–5, G–6 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–6...
  • Page 403 Max 782, Pointer Value Set to, SAVE RESULTS, 3–192 3–145 network stress testing, 3–135 Memory Next, VT Under Test, 3–74 RECALL INSTRUMENT SET- No Mapping (Equipped), Mapping, UPS, 3–34 3–71 RECALL RESULTS, 3–196 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–7...
  • Page 404 Path AIS, Transmit alarm set to, 1 hour, Test Duration, 3–23 3–136 1 in 8, Test Pattern, 3–75, 3–96, Path Analysis, ERROR ANALY- 3–126 SIS, 3–177, 3–179 1+1, APS COMMANDS, 3–169 PATH FERF, status light, 3–60 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–8...
  • Page 405 Print Summary, On Test Comple- Pointer, Fail If condition, 3–43 tion, 3–49 POINTER ACTION button, 3–142 Print User & Company, PRINTER POINTER ADJ, status light, 3–60 SETUP, 3–206 pointer adjust mode, 3–141 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–9...
  • Page 406 3–49 Recovered, Transmit Clock, 3–68, SAVE INSTRUMENT SETUPS, 3–93 3–34 red lights, 2–4, 3–60 Save Previous, Disk Operation, Reference (programmer), xxii SAVE RESULTS, 3–194 Reference manual, xxii repackaging for shipment, I–1 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–10...
  • Page 407 Set with New Data Flag, POINT- 3–150 ERS & TIMING, 3–146 STS LOP, Failure set to, 3–138 settings, default, 3–35, C–1 STS Under Test SETUP_XX, Name, SAVE RECEIVE SETTINGS, 3–104 INSTRUMENT SETUPS, 3–32 TRANSMIT SETTINGS, 3–70 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–11...
  • Page 408 To Disk BMP Format, 3–204 3–123 To Disk EPS Format, 3–204 TRANSMIT SETTINGS, 3–65, To Disk Ileaf Format, 3–204 3–66, 3–90, 3–91, 3–92 Transmit alarm set to, ERRORS & ALARMS, 3–135 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–12...

  • Page 409: User Defined

    User Word 24 bit, Test Pattern, 3–75 RECEIVE SETTINGS, 3–126 XConnect TRANSMIT SETTINGS, 3–96 Receive Level, 3–103 User Word 8 bit, Test Pattern, 3–75 Transmit Level, 3–69 RECEIVE SETTINGS, 3–126 TRANSMIT SETTINGS, 3–96 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–13...
  • Page 410 Index Zoom In, HISTORY GRAPHS, 3–189 yellow lights, 2–5, 3–60 Zoom Out, HISTORY GRAPHS, 3–189 0. DEFAULT memory, RECALL INSTRUMENT SETUPS page, 3–35 CTS 710 SONET Test Set User Manual www.valuetronics.com Index–14...

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