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Agilent Technologies OmniBER 720 User Manual

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  • Page 1 (217) 352-9330 | Click HERE Find the Keysight / Agilent J1407A OmniBER 720 at our website:...
  • Page 2 In This Book This book tells you how to select and use the various instrument functions available. User Guide OmniBER 720 Printed in U.K. 05/00 J1407-90003 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 The product is marked material. with this symbol to indicate that hazardous voltages are present Agilent Technologies UK Limited Telecommunications Networks Test Division South Queensferry West Lothian, Scotland EH30 9TG Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 4 SONET_Usr.bk Page 1 Wednesday, December 13, 2000 11:11 AM User Guide OmniBER 720 OmniBER 720 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 5 SONET_Usr.bk Page 2 Wednesday, December 13, 2000 11:11 AM About This Book This book tells you how to select the features that you want to use for your test. The selections available are presented in the following groups: • Transmit and receive interfaces •...

  • Page 6: Table Of Contents

    Connecting Accessories ............16 10 Base-T Lan Connection Radiated Emissions....16 Front Panel Soft Recovery (Cold Start) ......17 OmniBER 720 Options ............18 Setting the Interfaces - SDH Operation Setting Transmit Interface ..........20 Setting THRU Mode ............24 Using Smart Test ..............
  • Page 7 SONET_Usr.bk Page 4 Wednesday, December 13, 2000 11:11 AM List of Contents Generating Automatic Protection Switch Messages ..56 Inserting and Dropping the Data Communications Channel 57 Setting the Interfaces - SONET Operation Setting Transmit Interface ........... 60 Setting THRU Mode ............64 Using Smart Test ..............
  • Page 8 SONET_Usr.bk Page 5 Wednesday, December 13, 2000 11:11 AM List of Contents Performing an SDH Alarm Scan ......... 112 Performing a SONET Alarm Scan ........113 Tandem Connection Monitoring Tandem Connection Monitoring (TCM)......116 What is a Tandem Connection?........116 TCM Test Capability in OmniBER........
  • Page 9 SONET_Usr.bk Page 6 Wednesday, December 13, 2000 11:11 AM List of Contents Connecting an HP Printer to a Parallel Port ....... 154 Changing Internal Printer Paper.......... 155 Cleaning Internal Printer Print Head........158 Using Instrument and Disk Storage Storing Configurations in Instrument Store ......160 Titling Configuration in Instrument Store......
  • Page 10 SONET_Usr.bk Page 7 Wednesday, December 13, 2000 11:11 AM List of Contents Graph Storage Resolution ..........192 PRBS Polarity Control (Option 003 only) ......193 Setting Error Threshold Indication ........194 Setting Screen Brightness and Color ........195 Dumping Display to Disk ........... 196 Running Self Test ...............
  • Page 11 SONET_Usr.bk Page 8 Wednesday, December 13, 2000 11:11 AM List of Contents Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 12 “Connecting to the Network " page 12 “Connecting Accessories " page 16 “Front Panel Soft Recovery (Cold Start) " page 17 “OmniBER 720 Options " page 18 Introduction Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 13: Introduction

    SONET_Usr.bk Page 10 Wednesday, December 13, 2000 11:11 AM Introduction Product Description The OmniBER Communications Performance Analyzer provides all the test capability you need to fully verify the performance of today’s high-capacity transmission systems and networks. The main features of a dual standard (SDH/SONET) instrument are as follows: •...

  • Page 14: Conventions

    SONET_Usr.bk Page 11 Wednesday, December 13, 2000 11:11 AM Introduction Conventions Conventions The conventions used in this manual to illustrate instrument keys and display information are as follows: This is an example of a hardkey. Hardkeys (located to the right of the display) are TRANSMIT used to give access to different sets of instrument settings, or select dedicated instrument functions.

  • Page 15: Connecting To The Network

    SONET_Usr.bk Page 12 Wednesday, December 13, 2000 11:11 AM Introduction Connecting to the Network Connecting to the Network The network connectors are located on the modules at the side of the instrument. The connections available depend on the options fitted to your instrument. Before Connecting, note the Warning and Caution information given.

  • Page 16: Optical Interface Connectors

    SONET_Usr.bk Page 13 Wednesday, December 13, 2000 11:11 AM Introduction Connecting to the Network Optical Interface Connectors For your protection, review all laser information given in this manual and the Verification manual before installing or using the instrument. WA RN IN G To prevent personal injury, avoid use that may be hazardous to others, and maintain the module in a safe condition.
  • Page 17 SONET_Usr.bk Page 14 Wednesday, December 13, 2000 11:11 AM Introduction Connecting to the Network CA UT I O N 1. Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. 2.

  • Page 18: Cleaning Optical Connectors

    Recall Default settings (STORED SETTINGS 0) and remove the power from the OmniBER 720. 2 Remove the adapters from the IN and OUT ports. Use an 11 mm spanner to slacken the nut securing the adapter. On re-assembly tighten the nut using a torque spanner to 1.5 Nm.

  • Page 19: Connecting Accessories

    SONET_Usr.bk Page 16 Wednesday, December 13, 2000 11:11 AM Introduction Connecting Accessories Connecting Accessories Provides the output for the option 602 printer which is fitted in the cover (LID) of the instrument. Provides the output for a display monitor. Printer External printer connection details are given in Chapter 7 page 154 .

  • Page 20: Front Panel Soft Recovery (Cold Start)

    (the softkeys immediately below the display; key 0 is on the extreme left). 3 Power up the OmniBER 720 while holding the softkeys pressed. 4 When the LOS LED has flashed OFF and then ON again, the keys can be released.

  • Page 21: Omniber 720 Options

    OmniBER 720 Options OmniBER 720 Options This section explains the features offered with each instrument and its associated options. Description Product/Option OmniBER 720 communications performance J1407A analyzer mainframe OC-48/12/3/1 and STM-16/4/1/0 transmit and receive 1310 nm optical interfaces SDH only...

  • Page 22: Setting The Interfaces - Sdh Operation

    SONET_Usr.bk Page 19 Wednesday, December 13, 2000 11:11 AM “Setting Transmit Interface” page 20 “Setting THRU Mode” page 24 “Using Smart Test” page 27 “Setting Receive Interface” page 30 Setting the Interfaces - SDH Operation This chapter tells you how to set the instrument interfaces to match the network being tested.

  • Page 23: Setting Transmit Interface

    Setting Transmit Interface Setting Transmit Interface Payload Selection One of the key features of the OmniBER 720 is the ability to test concatenated payloads. The following gives a brief description of concatenated payloads, and the benefits of using them. Concatenated Payloads Bulk filled or contiguous payload structures e.g.
  • Page 24 TIP: If you wish to set the OmniBER 720 transmitter and receiver to the same interface settings choose OTHER SETTINGS CONTROL COUPLED...
  • Page 25 SONET_Usr.bk Page 22 Wednesday, December 13, 2000 11:11 AM Choose the required and PAYLOAD TYPE, then select F/G MAPPING and the BACKGROUND selection. The FOREGROUND B/G MAPPING selection is the channel that is chosen for test purposes. The BACKGROUND patterns are not used for test purposes and are either the same as the test channel or set to UNEQUIPPED.
  • Page 26 SONET_Usr.bk Page 23 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SDH Operation Setting Transmit Interface 8 Choose the mapping required in the background (non-test) TUG-3’s. Refer to Appendix A for a table of background patterns for AU-3 and TUG-3. 9 If TU-12 mapping is chosen for the test TUG-3, choose the PATTERN IN OTHER TU-12’s.

  • Page 27: Setting Thru Mode

    SONET_Usr.bk Page 24 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SDH Operation Setting THRU Mode Setting THRU Mode Description THRU mode is used to non-intrusively monitor SDH lines where no protected monitor points are available. To enable THRU mode select the TRANSMIT page.
  • Page 28 SONET_Usr.bk Page 25 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SDH Operation Setting THRU Mode 3. Payload/Channel Overwrite: This mode allows you to substitute a new payload, Section and Line Overhead (SOH) or Path overhead (POH) in the received signal. Any Path B3 BIP errors are recalculated before transmission.
  • Page 29 SONET_Usr.bk Page 26 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SDH Operation Setting THRU Mode 4 Make the SOH+POH CHANNEL OVERWRITE choice required. The B1, B2 and B3 BIP’s are recalculated before transmission. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 30: Using Smart Test

    • Allowing the instrument to auto-configure on the incoming signal. It will attempt to identify signal structure, and detect mixed payload signal structures and alarms. The OmniBER 720 automatically displays all of the J1 trace identifiers. Once the received signal has been identified you can select a channel of interest and explore further into the payload.
  • Page 31 SONET_Usr.bk Page 28 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SDH Operation Using Smart Test An example of a typical display after choosing to RUN Smartsetup is shown below. Note: The channel information displayed is the one obtained the last time a scan was performed.
  • Page 32 SONET_Usr.bk Page 29 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SDH Operation Using Smart Test 6 Press to display the frequency screen Or press CANCEL to exit Smart SELECT Tests. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 33: Setting Receive Interface

    The receive interface settings should match the network equipment settings of rate and mapping, and determine the payload to be tested. TIP: If you wish to set the OmniBER 720 transmitter and receiver to the same interface settings, choose OTHER .

  • Page 34: Selecting Test Features - Sdh Operation

    SONET_Usr.bk Page 31 Wednesday, December 13, 2000 11:11 AM “Using Transmit Overhead Setup” page 32 “Using Receive Overhead Monitor” page 34 “Setting Overhead Trace Messages” page 36 “Setting Overhead Labels” page 37 “Generating Overhead Sequences” page 38 “Using Receive Overhead Capture” page 40 “Adding Frequency Offset”...

  • Page 35: Using Transmit Overhead Setup

    SONET_Usr.bk Page 32 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Using Transmit Overhead Setup Using Transmit Overhead Setup Description You can set an overhead byte to a known static state to aid troubleshooting, for example to quickly check for “stuck bits” in path overhead bytes. Section Overhead, Path Overhead, Trace Messages and Labels can be set using this feature.
  • Page 36 SONET_Usr.bk Page 33 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Using Transmit Overhead Setup INCREASE DIGIT If BYTE NAMES is chosen, the labels for the ALL COLUMNS overhead bytes are displayed. 4 If POH (Path Overhead) is chosen, choose the TYPE of overhead within STM-1 under test to be setup.

  • Page 37: Using Receive Overhead Monitor

    SONET_Usr.bk Page 34 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Using Receive Overhead Monitor Using Receive Overhead Monitor Description When first connecting to a SDH network, a start up confidence check can be made by viewing the behavior of all the overhead bytes. If the SDH network shows alarm indications, some diagnosis of the problem may be gained from viewing all the overhead bytes.The OVERHEAD MONITOR display is updated once per second (once per 8000 frames) approximately.
  • Page 38 SONET_Usr.bk Page 35 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Using Receive Overhead Monitor If BYTE NAMES is chosen, the labels for the ALL COLUMNS overhead bytes are displayed. 4 If POH (Path Overhead) is chosen, choose the source of the overhead, VC-4-Nc, VC-4, VC-3, VC-2, VC-12 or VC-11.

  • Page 39: Setting Overhead Trace Messages

    SONET_Usr.bk Page 36 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Setting Overhead Trace Messages Setting Overhead Trace Messages Description You can insert a data message to verify portions of the network: J0 verifies the regenerator section overhead. J1 verifies the VC-3, VC-4 or VC-4-Nc path connection.

  • Page 40: Setting Overhead Labels

    SONET_Usr.bk Page 37 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Setting Overhead Labels Setting Overhead Labels Description Choosing LABELS allows the setting of the S1 SYNC STATUS, HP PATH LABEL (C2) and LP PATH LABEL (V5). HOW TO: 1 Choose the overhead label that you want to edit.

  • Page 41: Generating Overhead Sequences

    SONET_Usr.bk Page 38 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Generating Overhead Sequences Generating Overhead Sequences Description You may insert a sequence of patterns into a functional group of overhead bytes for testing or troubleshooting purposes. 1 Set up the SDH transmit interface and payload required.
  • Page 42 SONET_Usr.bk Page 39 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Generating Overhead Sequences 7 Start the sequence by choosing START NOT E When you start the sequence illustrated, one Out of Frame alarm and one Loss of Frame alarm should occur every eight seconds.

  • Page 43: Using Receive Overhead Capture

    SONET_Usr.bk Page 40 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Using Receive Overhead Capture Using Receive Overhead Capture Description Regenerator section, Multiplexer section and Path overhead provide network support functions, responding dynamically to network conditions and needs. It is therefore useful to capture overhead activity on a frame by frame basis.
  • Page 44 SONET_Usr.bk Page 41 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Using Receive Overhead Capture - captures activity after the first occurrence of a deviation from your ON NOT specified overhead state. Can be used for transient detection from a specified expected state.

  • Page 45: Adding Frequency Offset

    SONET_Usr.bk Page 42 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Adding Frequency Offset Adding Frequency Offset Description Frequency offset can be added to the SDH interface rate signal and to the payload signal. HOW TO: Add SDH Line Rate Offset Choose the amount of frequency offset required.

  • Page 46: Adding Errors And Alarms

    SONET_Usr.bk Page 43 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Adding Errors and Alarms Adding Errors and Alarms Description Errors and alarms can be added to an SDH signal during testing. HOW TO: 1 Set up the SDH transmit interface and payload required. See "Setting Transmit Interface "...

  • Page 47: Adding Pointer Adjustments

    NE’s pointer adjustment jitter performance. The OmniBER 720 generates a set of test sequences which can be used to simulate network pointer adjustment activity. This allows the amount of tributary jitter due to different types of pointer adjustment to be measured in the OmniBER 720.
  • Page 48 SONET_Usr.bk Page 45 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Adding Pointer Adjustments Description The transmitted AU or TU pointer value can be adjusted for testing purposes. HOW TO: 1 Set up the SDH transmit interface and payload required. See "Setting Transmit Interface "...

  • Page 49: G.783 Pointer Sequences Explained

    G.783 Pointer Sequences Explained In addition to the BURST, NEW POINTER and OFFSET pointer movements described, the OmniBER 720 can also generate pointer sequences (pointer movements) according to ITU-T G.783, T1.105.03 and GR-253. Note that T.105.03/ GR-253 sequences are explained on page 88 in the SONET Test Features Chapter.
  • Page 50 For example, if T is set for 10 seconds then the initialization period may be extended to 900 seconds. The OmniBER 720 displays a message indicating which phase (initialization, cool down or measurement) the transmitter is currently generating.
  • Page 51 SONET_Usr.bk Page 48 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Adding Pointer Adjustments G.783(g) 87-3 Pattern No Pointer Start of Next Adjustment 87-3 Pattern Pointer Adjustment An Example of a Pointer Sequence Pointer Sequence Description G.783(a) PERIODIC Periodic Single adjustments, each with opposite polarity to the preceding SINGLE...
  • Page 52 SONET_Usr.bk Page 49 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Adding Pointer Adjustments Pointer Sequence Description G.783 (f) BURST Periodic bursts of 3 adjustments, all of the same polarity which is selectable. The interval between bursts is fixed at approximately 30 seconds. The interval between adjustments within a burst is set to the minimum (see Note 2 page 50).
  • Page 53 SONET_Usr.bk Page 50 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Adding Pointer Adjustments Pointer Sequence Description G.783 (h) PERIODIC Periodic Single adjustments, with selectable polarity and cancelled adjustment CANCEL (Continuous (1 less). The time interval between pointer adjustments can be set (see Note 1). Pattern) Cancelled adjustments occur every 30 seconds or every repeat of the 87-3 pattern, whichever is longer.
  • Page 54 SONET_Usr.bk Page 51 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Adding Pointer Adjustments Note 2: For AU and TU-3, the minimum spacing between adjustments is 500 us. For TU except TU-3, the minimum spacing between adjustments is 2 ms. Table 2 O.172 - G.783 pointer test sequence description G.783 Pointer Test...

  • Page 55: Using Pointer Graph Test Function

    SONET_Usr.bk Page 52 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Using Pointer Graph Test Function Using Pointer Graph Test Function Pointer Graph shows the relative offset during the measurement period. This allows the time relationship of AU or TU pointer movements to be observed. Up to 4 days of storage allows long term effects such as Wander to be observed.
  • Page 56 SONET_Usr.bk Page 53 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Using Pointer Graph Test Function 3 Choose the POINTER UNDER TEST type. 4 Press to start the measurement. RUN/STOP TIP: If the event occurs outside normal working hours, a Timed Start measurement can be made.

  • Page 57: Stressing Optical Clock Recovery Circuits

    SONET_Usr.bk Page 54 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Stressing Optical Clock Recovery Circuits Stressing Optical Clock Recovery Circuits Description This test is essentially designed for testing optical clock recovery circuits in the presence of long runs of zero’s or one’s (after scrambling). The test function page allows control of the test pattern and the block length.
  • Page 58 SONET_Usr.bk Page 55 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Stressing Optical Clock Recovery Circuits Choose the required STRESSING PATTERN. The G.958 test pattern consists of 7 consecutive blocks of data as follows: the first row of section overhead bytes, ALL ONES, a PRBS, the first row of section overhead bytes, ALL ZEROS, a PRBS and the first row of section overhead bytes.

  • Page 59: Generating Automatic Protection Switch Messages

    SONET_Usr.bk Page 56 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Generating Automatic Protection Switch Messages Generating Automatic Protection Switch Messages Description You can program the K1 and K2 bytes to exercise the APS functions for Both LINEAR (ITU-T G.783) and RING (ITU-T G.841) topologies.

  • Page 60: Inserting And Dropping The Data Communications Channel

    SONET_Usr.bk Page 57 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SDH Operation Inserting and Dropping the Data Communications Channel Inserting and Dropping the Data Communications Channel Description The Data Communications Channel (DCC) of the regenerator and multiplexer section overhead can be verified by protocol testing.
  • Page 61 SONET_Usr.bk Page 58 Wednesday, December 13, 2000 11:11 AM Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 62: Setting The Interfaces - Sonet Operation

    SONET_Usr.bk Page 59 Wednesday, December 13, 2000 11:11 AM “Setting Transmit Interface” page 60 “Setting THRU Mode” page 64 “Using Smart Test” page 67 “Setting Receive Interface” page 70 Setting the Interfaces - SONET Operation This chapter tells you how to set the instrument interfaces to match the network being tested.

  • Page 63: Setting Transmit Interface

    Setting Transmit Interface Setting Transmit Interface Payload Selection One of the key features of the OmniBER 720 is the ability to test concatenated payloads. The following gives a brief description of concatenated payloads, and the benefits of using them. Concatenated Payloads Bulk filled or contiguous payload structures (STS-3c, STS-12c or STS-48c) are designed for carrying broadband services.
  • Page 64 SONET_Usr.bk Page 61 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SONET Operation Setting Transmit Interface TIP: If you wish to set the OmniBER 720 transmitter and receiver to the same interface settings choose OTHER SETTINGS CONTROL COUPLED...
  • Page 65 SONET_Usr.bk Page 62 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SONET Operation Setting Transmit Interface patterns are not used for test purposes and are either the same as the test channel or set to UNEQUIPPED. Mapping may be selected from a pictorial display by moving the cursor to MAPPING and pressing to move between STS Layer choice, VT Layer choice and Payload Layer choice.
  • Page 66 SONET_Usr.bk Page 63 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SONET Operation Setting Transmit Interface Option 003 only The definition of NORMAL and INVERTed polarity differs between ITU-T O.150 and common practice usage in the United States of America for 2 -1 and 2 PRBS patterns.

  • Page 67: Setting Thru Mode

    SONET_Usr.bk Page 64 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SONET Operation Setting THRU Mode Setting THRU Mode Description THRU mode is used to non-intrusively monitor SONET lines where no protected monitor points are available. To enable THRU mode select the TRANSMIT page.
  • Page 68 SONET_Usr.bk Page 65 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SONET Operation Setting THRU Mode 3. Payload Overwrite: This mode allows you to substitute a new payload, Section and Line Overhead (TOH) or Path overhead (POH) in the received signal. The overhead and payload may be overwritten for STS-3c SPE, STS-1 SPE, VT-6, VT-2 or VT-1.5.
  • Page 69 SONET_Usr.bk Page 66 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SONET Operation Setting THRU Mode 3 Switch the PAYLOAD OVERWRITE enable/disable field to ON. Test functions are available whilst Payload Overwrite is enabled. Select the TEST FUNCTION folder and setup as required.

  • Page 70: Using Smart Test

    The OmniBER 720 automatically displays all of the J1 trace identifiers. Once the received signal has been identified you can select a channel of interest and explore further into the payload.
  • Page 71 SONET_Usr.bk Page 68 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SONET Operation Using Smart Test the receive signal. Or press to exit Smart Tests. CANCEL An example of a typical display after choosing to RUN Smartsetup is shown below. Note: The channel information displayed is the one obtained the last time a scan was performed.
  • Page 72 SONET_Usr.bk Page 69 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SONET Operation Using Smart Test 6 Press to display the frequency screen Or press CANCEL to exit Smart SELECT Tests. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 73: Setting Receive Interface

    The receive interface settings should match the network equipment settings of rate and mapping, and determine the payload to be tested. TIP: If you wish to set the OmniBER 720 transmitter and receiver to the same interface settings, choose OTHER .
  • Page 74 SONET_Usr.bk Page 71 Wednesday, December 13, 2000 11:11 AM Setting the Interfaces - SONET Operation Setting Receive Interface The ITU-T O.150 standard specifies that the NORMAL or default for all PRBS patterns should be inverted. This will produce a longest string of n-1 consecutive zeros in a 2 -1 PRBS pattern.
  • Page 75 SONET_Usr.bk Page 72 Wednesday, December 13, 2000 11:11 AM Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 76: Selecting Test Features - Sonet Operation

    SONET_Usr.bk Page 73 Wednesday, December 13, 2000 11:11 AM “Using Transmit Overhead Setup” page 74 “Using Receive Overhead Monitor” page 76 “Setting Overhead Trace Messages” page 78 “Setting Overhead Labels” page 79 “Generating Overhead Sequences” page 80 “Using Receive Overhead Capture” page 82 “Adding Frequency Offset”...

  • Page 77: Using Transmit Overhead Setup

    SONET_Usr.bk Page 74 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Using Transmit Overhead Setup Using Transmit Overhead Setup Description You can set an overhead byte to a known static state to aid troubleshooting, for example to quickly check for “stuck bits” in path overhead bytes. Transport Overhead, Path Overhead, Trace Messages and Labels can be set using this feature.
  • Page 78 SONET_Usr.bk Page 75 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Using Transmit Overhead Setup 3 in turn). The value of the bytes can be set using DECREASE DIGIT INCREASE DIGIT If BYTE NAMES is chosen, the labels for the overhead bytes are STS-1# 1,2,3 displayed.

  • Page 79: Using Receive Overhead Monitor

    SONET_Usr.bk Page 76 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Using Receive Overhead Monitor Using Receive Overhead Monitor Description When first connecting to a SONET network, a start up confidence check can be made by viewing the behavior of all the overhead bytes. If the SONET network shows alarm indications, some diagnosis of the problem may be gained from viewing all the overhead bytes.The OVERHEAD MONITOR display is updated once per second (once per 8000 frames) approximately.
  • Page 80 SONET_Usr.bk Page 77 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Using Receive Overhead Monitor 4 If POH (Path Overhead) is chosen, choose the source of the overhead, SPE or VTSPE. J1 and J2 bytes can be monitored under Path Overhead or Trace Messages 5 If TRACE MESSAGES is chosen, you can monitor a data message to verify portions of the network.

  • Page 81: Setting Overhead Trace Messages

    SONET_Usr.bk Page 78 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Setting Overhead Trace Messages Setting Overhead Trace Messages Description You can insert a data message to verify portions of the network: J0 verifies the section overhead. J1 verifies the STS-1 SPE or STS-48c, STS-12c, STS-3c SPE path connection.

  • Page 82: Setting Overhead Labels

    SONET_Usr.bk Page 79 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Setting Overhead Labels Setting Overhead Labels Description Choosing LABELS in TRACE MESSAGES allows the setting of the S1 SYNC STATUS, STS PATH LABEL (C2) and VT PATH LABEL (V5). HOW TO: 1 Choose the overhead label that you want to edit.

  • Page 83: Generating Overhead Sequences

    SONET_Usr.bk Page 80 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Generating Overhead Sequences Generating Overhead Sequences Description You may insert a sequence of patterns into a functional group of overhead bytes for testing or troubleshooting purposes. 1 Set up the SONET transmit interface and payload required.
  • Page 84 SONET_Usr.bk Page 81 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Generating Overhead Sequences 7 Start the sequence by choosing START NOT E When you start the sequence illustrated, one Out of Frame alarm and one Loss of Frame alarm should occur every eight seconds.

  • Page 85: Using Receive Overhead Capture

    SONET_Usr.bk Page 82 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Using Receive Overhead Capture Using Receive Overhead Capture Description Section, Line and Path overhead provide network support functions, responding dynamically to network conditions and needs. It is therefore useful to capture overhead activity on a frame by frame basis.
  • Page 86 SONET_Usr.bk Page 83 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Using Receive Overhead Capture - captures activity after the first occurrence of a deviation from your ON NOT specified overhead state. Can be used for transient detection from a specified expected state.

  • Page 87: Adding Frequency Offset

    SONET_Usr.bk Page 84 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Adding Frequency Offset Adding Frequency Offset Description Frequency offset can be added to the SONET interface rate signal and to the payload signal. HOW TO: Add SONET Line Rate Offset Choose the amount of frequency offset required.

  • Page 88: Adding Errors And Alarms

    SONET_Usr.bk Page 85 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Adding Errors and Alarms Adding Errors and Alarms Description Errors and alarms can be added to an SONET signal during testing. HOW TO: 1 Set up the SONET transmit interface and payload required. See "Setting Transmit Interface "...

  • Page 89: Adding Pointer Adjustments

    The Bellcore GR-253 and ANSI T1.105 standards define a set of pointer sequences to be used when evaluating an NE’s pointer adjustment jitter performance. The OmniBER 720 generates a set of test sequences which can be used to simulate network pointer adjustment activity.
  • Page 90 SONET_Usr.bk Page 87 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Adding Pointer Adjustments Description The transmitted SPE or VT pointer value can be adjusted for testing purposes. HOW TO: 1 Set up the SONET transmit interface and payload required. See "Setting Transmit Interface "...

  • Page 91: T1.105/Gr-253 Pointer Sequences Explained

    T1.105/GR-253 Pointer Sequences Explained In addition to the BURST, NEW POINTER and OFFSET pointer movements described, the OmniBER 720 can also generate pointer sequences (pointer movements) according to T1.105.03 and GR-253. Before running a pointer sequence you can elect to run an initialization sequence, followed by a cool down period, and then run the chosen sequence.
  • Page 92 For example, if T is set for 10 seconds then the initialization period may be extended to 900 seconds. The OmniBER 720 displays a message indicating which phase (initialization, cool down or measurement) the transmitter is currently generating.
  • Page 93 SONET_Usr.bk Page 90 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Adding Pointer Adjustments T1.105 A4 and A5, 87-3 Pattern No Pointer Start of Next Adjustment 87-3 Pattern Pointer Adjustment An Example of a Pointer Sequence Pointer Sequence Description T1.105 A1 SINGLE...
  • Page 94 SONET_Usr.bk Page 91 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Adding Pointer Adjustments Pointer Sequence Description GR-253 5-32(b) This selection is only available if you have selected VT1.5 mapping. The PERIODIC NORMAL sequence pattern is 26 pointer movements followed by 1 missing pointer (26-1 Pattern) movement.
  • Page 95 SONET_Usr.bk Page 92 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Adding Pointer Adjustments Pointer Sequence Description T1.105 A5 PERIODIC Periodic Single adjustments, with selectable polarity and cancelled adjustment CANCEL (Continuous (1 less). The time interval between pointer adjustments can be set (see Note 1). Pattern) Cancelled adjustments occur every 30 seconds or every repeat of the 87-3 GR-253 5-34(d)
  • Page 96 SONET_Usr.bk Page 93 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Adding Pointer Adjustments Pointer Sequences Available with Selected Mapping MAPPING POINTER SEQUENCE VT6, VT2 VT1.5 √ A5 PERIODIC ADD (87-3) √ √ √ A5 PERIODIC ADD (Continuous) √...

  • Page 97: Using Pointer Graph Test Function

    SONET_Usr.bk Page 94 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Using Pointer Graph Test Function Using Pointer Graph Test Function Pointer Graph shows the relative offset during the measurement period. This allows the time relationship of SPE or VT pointer movements to be observed. Up to 4 days of storage allows long term effects such as Wander to be observed.
  • Page 98 SONET_Usr.bk Page 95 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Using Pointer Graph Test Function 3 Choose the POINTER UNDER TEST type. 4 Press to start the measurement. RUN/STOP TIP: If the event occurs outside normal working hours, a Timed Start measurement can be made.

  • Page 99: Stressing Optical Clock Recovery Circuits

    SONET_Usr.bk Page 96 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Stressing Optical Clock Recovery Circuits Stressing Optical Clock Recovery Circuits Description This test is essentially designed for testing optical clock recovery circuits in the presence of long runs of zero’s or one’s (after scrambling). The test function page allows control of the test pattern and the block length.
  • Page 100 SONET_Usr.bk Page 97 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Stressing Optical Clock Recovery Circuits Choose the required STRESSING PATTERN. The G.958 test pattern consists of 7 consecutive blocks of data as follows: the first row of section overhead bytes, ALL ONES, a PRBS, the first row of section overhead bytes, ALL ZEROS, a PRBS and the first row of section overhead bytes.

  • Page 101: Generating Automatic Protection Switch Messages

    SONET_Usr.bk Page 98 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Generating Automatic Protection Switch Messages Generating Automatic Protection Switch Messages Description You can program the K1 and K2 bytes to exercise the APS functions for Both LINEAR (GR-253) and RING (GR1230) topologies.

  • Page 102: Inserting And Dropping The Data Communications Channel

    SONET_Usr.bk Page 99 Wednesday, December 13, 2000 11:11 AM Selecting Test Features - SONET Operation Inserting and Dropping the Data Communications Channel Inserting and Dropping the Data Communications Channel Description The Data Communications Channel (DCC) of the regenerator and multiplexer section overhead can be verified by protocol testing.
  • Page 103 SONET_Usr.bk Page 100 Wednesday, December 13, 2000 11:11 AM Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 104 SONET_Usr.bk Page 101 Wednesday, December 13, 2000 11:11 AM “Using Overhead BER Test Function” page 102 “Performing a Trouble Scan” page 103 “Test Timing” page 105 “Making Analysis Measurements” page 106 “Measuring Frequency” page 107 “Measuring Optical Power” page 108 “Performing a Tributary Scan”...

  • Page 105: Using Overhead Ber Test Function

    SONET_Usr.bk Page 102 Wednesday, December 13, 2000 11:11 AM Making Measurements Using Overhead BER Test Function Using Overhead BER Test Function Description You can perform a Bit Error Rate test on chosen bytes of the section, line and path overhead bytes. The OVERHEAD BER controls are located under in the TEST FUNCTION...

  • Page 106: Performing A Trouble Scan

    Performing a Trouble Scan When first connecting to the network it can be useful to have an indication of any problems that exist before starting testing. In the OmniBER 720 this feature is provided by Trouble Scan. All possible error sources and alarms are scanned simultaneously. If any error counts are not zero then these are displayed.
  • Page 107 SONET_Usr.bk Page 104 Wednesday, December 13, 2000 11:11 AM Making Measurements Performing a Trouble Scan Error Count Priority - the following Table gives a list of SDH/SONET error count priorities. Error Count Priority SONET B1 BIP CV-S B2 BIP CV-L B3 BIP CV-P TU BIP...

  • Page 108: Test Timing

    SONET_Usr.bk Page 105 Wednesday, December 13, 2000 11:11 AM Making Measurements Test Timing Test Timing Description There are two aspects to test timing: • Error results may be displayed as short term or cumulative over the measurement period. If short term error measurements are required, the short term period may be selected.

  • Page 109: Making Analysis Measurements

    SONET_Usr.bk Page 106 Wednesday, December 13, 2000 11:11 AM Making Measurements Making Analysis Measurements Making Analysis Measurements Description G.826, M.2101, M.2110 and M.2120 analysis results are provided for all relevant SDH/SONET error sources. In addition the following results are provided: Cumulative error count and error ratio Short term error count and error ratio Alarm seconds...

  • Page 110: Measuring Frequency

    SONET_Usr.bk Page 107 Wednesday, December 13, 2000 11:11 AM Making Measurements Measuring Frequency Measuring Frequency Description The signal frequency and the amount of offset from the standard rate can be measured to give an indication of probability of errors. HOW TO: 1 Connect the signal to be measured to the IN port of the IN port of the Optical Interface module.

  • Page 111: Measuring Optical Power

    SONET_Usr.bk Page 108 Wednesday, December 13, 2000 11:11 AM Making Measurements Measuring Optical Power Measuring Optical Power Description Optical power measurement can be performed on theSDH/ SONET signal connected to the Optical module IN port. 1 Connect the SDH/SONET optical signal to the IN port of the Optical Interface HOW TO: module.

  • Page 112: Performing A Tributary Scan

    Description Verifying an ADM Installation The OmniBER 720’s tributary scan feature allows you to quickly test the routing of VC-n/STS-1 paths through digital cross connects and ADMs (when the tributary interfaces are synchronous). It does this by automatically testing each path through the network element for bit errors or a pattern loss.
  • Page 113 START. SONET TRIB SCAN RESULTS If the Scan is started on the TEST FUNCTION TRANSMIT display, the OmniBER 720 changes to the SONET TRIB SCAN RESULTS display. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 114 SONET_Usr.bk Page 111 Wednesday, December 13, 2000 11:11 AM Making Measurements Performing a Tributary Scan If a full-bandwidth concatenated payload is selected (e.g. an STS-48c within an OC-48), then Tributary Scan is disabled. NOT E The keyboard is locked during tributary scan. Artisan Technology Group - Quality Instrumentation ...

  • Page 115: Performing An Sdh Alarm Scan

    SONET_Usr.bk Page 112 Wednesday, December 13, 2000 11:11 AM Making Measurements Performing an SDH Alarm Scan Performing an SDH Alarm Scan Description This test can be performed In-Service without disturbing live traffic. SDH Alarm Scan tests each channel for alarm free operation and identifies and indicates any Unequipped channels.

  • Page 116: Performing A Sonet Alarm Scan

    SONET_Usr.bk Page 113 Wednesday, December 13, 2000 11:11 AM Making Measurements Performing a SONET Alarm Scan Performing a SONET Alarm Scan Description This test can be performed In-Service without disturbing live traffic. The SONET Alarm Scan tests each channel for alarm free operation and identifies and indicates any Unequipped channels.
  • Page 117 SONET_Usr.bk Page 114 Wednesday, December 13, 2000 11:11 AM Making Measurements Performing a SONET Alarm Scan 5 Choose to start the Alarm Scan. START Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 118: Tandem Connection Monitoring

    SONET_Usr.bk Page 115 Wednesday, December 13, 2000 11:11 AM “Tandem Connection Monitoring (TCM)” page 116 “Setting up the Transmitter for TCM Operation” page 117 “Setting up TCM Access Point Identifier (APId) messages” page 118 “Adding TCM errors” page 120 “Adding TCM Alarms” page 121 “Setting up the Receiver for TCM operation”...

  • Page 119: Tandem Connection Monitoring (Tcm)

    SONET_Usr.bk Page 116 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Tandem Connection Monitoring (TCM) Tandem Connection Monitoring (TCM) What is a Tandem Connection? A tandem connection is a bi-directional connection between two TCTEs (Tandem Connection Terminating Elements) along an SDH path, which is managed as a separate entity.

  • Page 120: Setting Up The Transmitter For Tcm Operation

    SONET_Usr.bk Page 117 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Setting up the Transmitter for TCM Operation Setting up the Transmitter for TCM Operation HOW TO 1 Press the TRANSMIT key and select 2 Select the folder. MAIN SETTINGS 3 Set up the Transmitter as required, see “Setting Transmit Interface”...

  • Page 121: Setting Up Tcm Access Point Identifier (Apid) Messages

    SONET_Usr.bk Page 118 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Setting up TCM Access Point Identifier (APId) messages Setting up TCM Access Point Identifier (APId) messages Description The OmniBER offers the choice of transmitting in N1 (High Order Path or Low Order Path if TU-3) or N2 (Low Order Path) bytes the following messages: •...
  • Page 122 SONET_Usr.bk Page 119 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Setting up TCM Access Point Identifier (APId) messages Method 2 7 Select the SETUP field and choose 8 Set the N1 or N2 field as required from DEFAULT, TEST or USER. If you select USER, use the edit keys at the bottom of the screen to set up your message.

  • Page 123: Adding Tcm Errors

    SONET_Usr.bk Page 120 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Adding TCM errors Adding TCM errors Description The following TCM errors can be generated in the OmniBER: TC-IEC Incoming Error Count (on N1 only). TC-REI Remote Error Indication. Outgoing Error Indication.

  • Page 124: Adding Tcm Alarms

    SONET_Usr.bk Page 121 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Adding TCM Alarms Adding TCM Alarms Description There are four alarms that can be generated and detected in the OmniBER, they are: TC- LOM Tandem Connection Loss of Multiframe. TC-RDI Tandem Connection Remote Defect Indicator.

  • Page 125: Setting Up The Receiver For Tcm Operation

    SONET_Usr.bk Page 122 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Setting up the Receiver for TCM operation Setting up the Receiver for TCM operation HOWTO 1 Press and select RECEIVE 2 Select the folder. MAIN SETTINGS 3 Set up the Receiver as required, see “Setting Receive Interface” page 70. 4 Set the TCM PATH field to as required.

  • Page 126: Detecting Tcm Apid Messages

    SONET_Usr.bk Page 123 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Detecting TCM APId messages Detecting TCM APId messages Description TCM Access Point Identifier messages are detected and displayed on the Receiver OVERHEAD MONITOR page in two places, as described below. HOWTO 1 Press and select...
  • Page 127 SONET_Usr.bk Page 124 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Detecting TCM APId messages Method 2 6 Select the MONITOR field and choose 7 To view the the N1 byte message set the TYPE field to VC-4 VC-3 required.

  • Page 128: Viewing Tcm Errors And Alarms

    SONET_Usr.bk Page 125 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Viewing TCM Errors and Alarms Viewing TCM Errors and Alarms Description TCM error and alarm results can be viewed on the RESULTS page. HOWTO 1 Press the key. RESULTS 2 Select in the RESULTS field.
  • Page 129 SONET_Usr.bk Page 126 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Viewing TCM Errors and Alarms 6 Select to view alarms (see below). ALARM SECONDS Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 130: Tandem Connection Terminating Equipment (Tcte) Testing

    SONET_Usr.bk Page 127 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Tandem Connection Terminating Equipment (TCTE) Testing Tandem Connection Terminating Equipment (TCTE) Testing TCTE Source Testing Description Verify that the system responds correctly when a valid SDH signal is sent, and then add errors and alarms and check again that the system responds correctly to this new stimulus.
  • Page 131 SONET_Usr.bk Page 128 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Tandem Connection Terminating Equipment (TCTE) Testing 4 Configure the OmniBER to send a valid VC-n to the TCTE Source. For this example we have selected VC-4 mapping over STM-1. 5 Check that there are no alarms indicated on the OmniBER front panel.
  • Page 132 SONET_Usr.bk Page 129 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Tandem Connection Terminating Equipment (TCTE) Testing Error Monitoring Method: Use the OmniBER Transmitter to generate errors in the system under test Testing and verify on the Receiver that the correct error result is obtained. 13 Press the TRANSMIT key and select...
  • Page 133 SONET_Usr.bk Page 130 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Tandem Connection Terminating Equipment (TCTE) Testing 18 Check that the OmniBER Receiver detects and displays a B3 BIP and TC-IEC error ratio of 1.000E-05 (for this example), see figure below. This verifies that the Network Element has correctly copied the B3 count into bits 1-4 of the N1 byte and that B3 is correctly compensated.
  • Page 134 SONET_Usr.bk Page 131 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Tandem Connection Terminating Equipment (TCTE) Testing 23 View alarms on the RESULTS folder, an example is given below: 24 Verify that the signal label (in C2 or V5) is set to all-ones, which indicates a VC-AIS.

  • Page 135: Tcte Sink/Source Testing

    SONET_Usr.bk Page 132 Wednesday, December 13, 2000 11:11 AM Tandem Connection Monitoring Tandem Connection Terminating Equipment (TCTE) Testing TCTE Sink/Source Testing Description Connect the OmniBER to the system under test as shown below, stress the system by adding alarms and errors, and check for the correct response from the network element.

  • Page 136: Storing, Logging And Printing

    SONET_Usr.bk Page 133 Wednesday, December 13, 2000 11:11 AM “Saving Graphics Results to Instrument Store” page 134 “Recalling Stored Graph Results” page 135 “Viewing the Bar Graph Display” page 137 “Viewing the Graphic Error and Alarm Summaries” page 139 “Logging Graph Displays” page 141 “Logging Results”...

  • Page 137: Saving Graphics Results To Instrument Store

    SONET_Usr.bk Page 134 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Saving Graphics Results to Instrument Store Saving Graphics Results to Instrument Store Description Graphical representation of measurement results is very useful particularly during a long measurement period. It provides an overview of the results and can be printed for record keeping.

  • Page 138: Recalling Stored Graph Results

    SONET_Usr.bk Page 135 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Recalling Stored Graph Results Recalling Stored Graph Results Description Results stored from a previous measurement can be recalled to the graphics displays for viewing and printing. 1 If currently viewing the bar graph display, select HOW TO: then TEXT RESULTS...
  • Page 139 SONET_Usr.bk Page 136 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Recalling Stored Graph Results The top row of the display comprises five fields: Store Memory location in which the displayed bar graph data is stored. Move the highlighted cursor, to the STORE location desired, using Start Date The start date of the test, which produced the stored results.

  • Page 140: Viewing The Bar Graph Display

    SONET_Usr.bk Page 137 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Viewing the Bar Graph Display Viewing the Bar Graph Display Description All the graphic results obtained during the measurement are available for viewing. Identify a period of interest and zoom in for more detailed examination. 1 To view the current bar graphs, press HOW TO: GRAPH...
  • Page 141 SONET_Usr.bk Page 138 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Viewing the Bar Graph Display Zoom The width, in minutes, of each “bar” in the bar graph, controlled ZOOM IN ZOOM OUT Cursor The cursor position in terms of time and date, controlled by .

  • Page 142: Viewing The Graphic Error And Alarm Summaries

    SONET_Usr.bk Page 139 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Viewing the Graphic Error and Alarm Summaries Viewing the Graphic Error and Alarm Summaries Description The error and alarm summaries of the measurement chosen are displayed on the display.
  • Page 143 SONET_Usr.bk Page 140 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Viewing the Graphic Error and Alarm Summaries Start The start time and date of the test, that produced the displayed results. Stop The stop time and date of the test, that produced the displayed results.

  • Page 144: Logging Graph Displays

    HOW TO: Log to an External Printer 1 Connect an external RS-232-C HP printer to the OmniBER 720 RS232 port. See "Logging Results to RS-232-C Printer " page 151 or connect an external GPIB HP printer to the OmniBER 720 GPIB port. See "Logging Results to GPIB Printer "...
  • Page 145 SONET_Usr.bk Page 142 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Logging Graph Displays graph to the printer, choose on the bar graph display. PRINT 4 Choose to confirm or abort the print. To confirm the print and only print the portion of the graph displayed and the summaries choose THIS SCREEN To confirm the print and print the graph for the whole measurement period and...

  • Page 146: Logging Results

    SONET_Usr.bk Page 143 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Logging Results Logging Results Description Test Period Logging If degradations in system performance can be observed at an early stage, then the appropriate remedial action can be taken to maximize circuit availability and avoid system crashes.
  • Page 147 SONET_Usr.bk Page 144 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Logging Results • External Parallel Port printer (option 601) • Internal Disk Drive 1 Choose LOGGING [ON] - enables the logging of results and alarms. HOW TO: 2 Choose LOGGING PERIOD - determines how regularly the results and alarms are logged.
  • Page 148 SONET_Usr.bk Page 145 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Logging Results If DISK is chosen, see “Logging Data to Disk” page 152. If Option 602, Internal Printer, is fitted and INTERNAL is chosen, see "Logging Results to Internal Printer " page 150. Artisan Technology Group - Quality Instrumentation ...

  • Page 149: Logging On Demand

    SONET_Usr.bk Page 146 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Logging on Demand Logging on Demand Description When PRINT NOW is pressed the chosen results are logged to the chosen logging device. The choice of results for logging is: RESULTS SNAPSHOT - last recorded measurement results OVERHEAD SNAPSHOT - last recorded overhead values of the chosen STS-3 OVERHEAD CAPTURE - Overhead Capture display...
  • Page 150 SONET_Usr.bk Page 147 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Logging on Demand If DISK is chosen, see “Logging Data to Disk” page 152. If Option 602, Internal Printer, is fitted and INTERNAL is chosen, see "Logging Results to Internal Printer "...

  • Page 151: Logging Results To Parallel (Centronics) Printer

    SONET_Usr.bk Page 148 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Logging Results to Parallel (Centronics) Printer Logging Results to Parallel (Centronics) Printer Description If Option 601, Remote Control Interface, is fitted, you can log the results and alarms to an external Parallel printer connected to the PARALLEL port.

  • Page 152: Logging Results To Gpib Printer

    SONET_Usr.bk Page 149 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Logging Results to GPIB Printer Logging Results to GPIB Printer Description If Option 601, Remote Control Interface, is fitted, you can log the results and alarms to an external GPIB printer connected to the GPIB port. 1 Connect an GPIB printer to the GPIB port.

  • Page 153: Logging Results To Internal Printer

    SONET_Usr.bk Page 150 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Logging Results to Internal Printer Logging Results to Internal Printer Description If Option 602, Internal Printer is fitted, you can log the results and alarms to the in- lid printer.

  • Page 154: Logging Results To Rs-232-C Printer

    SONET_Usr.bk Page 151 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Logging Results to RS-232-C Printer Logging Results to RS-232-C Printer Description If Option 601, Remote Control Interface, is fitted, you can log the results and alarms to an external RS-232-C printer connected to the RS-232-C port. 1 Connect an RS-232-C printer to the RS-232-C port.

  • Page 155: Logging Data To Disk

    SONET_Usr.bk Page 152 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Logging Data to Disk Logging Data to Disk Description You can log and save data to a new file, or to an existing file on disk. If you are logging to an existing file you can overwrite the contents of the file, or you can append new data to the file.

  • Page 156: Printing Results From Disk

    Printing Results from Disk Description The results and alarms you logged to Disk can be printed by removing the Disk from the OmniBER 720 and inserting it into a personal computer (PC). PC Instructions HOW TO: Print from DOS Prompt copy/b a:\<filename>...

  • Page 157: Connecting An Hp Printer To A Parallel Port

    PARALLEL port. CA UTI O N Do not connect a serial printer e.g. RS-232-C or GPIB to the OmniBER 720 Parallel port as this will damage the interface. HOW TO: Connect the OmniBER 720 Parallel port to your Printer Parallel port using printer cable 24542D.

  • Page 158: Changing Internal Printer Paper

    SONET_Usr.bk Page 155 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Changing Internal Printer Paper Changing Internal Printer Paper Description The printer accepts rolls of thermal paper with the following dimensions: Width: 216 mm (8.5 in) or 210 mm (8.27 in) (A4) tolerance +2.0 mm - 1.0 mm Maximum Outside Diameter: 40 mm Inside Core Diameter:...
  • Page 159 SONET_Usr.bk Page 156 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Changing Internal Printer Paper NOT E The paper must be installed such that when it is in the print mechanism, the sensitive side (slightly shiny) is the underside. The illustrations here show the correct fitting for 9270-1360 paper which has the sensitive side on the outside of the roll.
  • Page 160 SONET_Usr.bk Page 157 Wednesday, December 13, 2000 11:11 AM Storing, Logging and Printing Changing Internal Printer Paper 6 If the printer paper is incorrectly aligned, raise the printer mechanism front cover to releases the paper drive and realign the paper. LIFT TO ADJUST PAPER ALIGNMENT Artisan Technology Group - Quality Instrumentation ...

  • Page 161: Cleaning Internal Printer Print Head

    SONET_Usr.bk Page 158 Wednesday, December 13, 2000 11:11 AM Cleaning Internal Printer Print Head Description The print head should be cleaned when broken or light characters occur in a vertical line on the page. To maintain a high quality print, clean the print head after 200 to 300 prints.

  • Page 162: Using Instrument And Disk Storage

    SONET_Usr.bk Page 159 Wednesday, December 13, 2000 11:11 AM Instrument Storage “Storing Configurations in Instrument Store” page 160 “Titling Configuration in Instrument Store” page 161 “Recalling Configurations from Instrument Store” page 162 Disk Formatting and Labeling “Formatting a Disk” page 163 “Labeling a Disk”...

  • Page 163: Storing Configurations In Instrument Store

    NUMBER [0]. This store is used to set the instrument to a known state, the FACTORY DEFAULT SETTINGS. 1 Set the OmniBER 720 to the configuration you wish to store. HOW TO: 2 Choose the STORED SETTING NUMBER to receive the configuration.

  • Page 164: Titling Configuration In Instrument Store

    SONET_Usr.bk Page 161 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Titling Configuration in Instrument Store Titling Configuration in Instrument Store Description When storing configurations, you can give them an easily remembered title for identification at a later date. 1 Choose the STORED SETTING NUMBER which contains the stored HOW TO: configuration.

  • Page 165: Recalling Configurations From Instrument Store

    SONET_Usr.bk Page 162 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Recalling Configurations from Instrument Store Recalling Configurations from Instrument Store Description Having stored a configuration for future use, you must be able to recall that configuration in the future. 1 Choose the STORED SETTING NUMBER which contains the stored HOW TO: configuration.

  • Page 166: Formatting A Disk

    Formatting a Disk Description Disks can be formatted in an IBM compatible PC or the OmniBER 720. It is recommended that you use the OmniBER 720 to format your disk as this will ensure full compatibility with the Floppy Disk power fail recovery included in the OmniBER 720.

  • Page 167: Labeling A Disk

    SONET_Usr.bk Page 164 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Labeling a Disk Labeling a Disk Description You can use the OmniBER 720 to assign an identification label to your disk. MY DISK HOW TO: 1 Press , then select FLOPPY DISK.

  • Page 168: Accessing Directories And Selecting Files

    SONET_Usr.bk Page 165 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Accessing Directories and Selecting Files Accessing Directories and Selecting Files Description Four differenct file types ( CNF, *.SMG, *.PRN and * .BMP) can be stored on disk, but only one file type can be displayed at a time.
  • Page 169 SONET_Usr.bk Page 166 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Accessing Directories and Selecting Files 5 Move the highlighted cursor to the . . <DIR> Parent Directory, then press 6 Move the highlighted cursor to the directory required then press to move to the selected directory.

  • Page 170: Storing/Retrieving Data To/From Disk

    SONET_Usr.bk Page 167 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Storing/Retrieving Data to/from Disk Storing/Retrieving Data to/from Disk You can store graphical result and instrument configuration files on disk. These files can then be recalled so that you can review graphical results at your convenience, or re-establish a specific instrument configuration.

  • Page 171: Saving Graphical Results To Disk

    SONET_Usr.bk Page 168 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Saving Graphical Results to Disk Saving Graphical Results to Disk Description When you start a measurement the graphical results can be saved to a file on disk. However, before you can gather graphical results you must first select an appropriate graphical resolution.
  • Page 172 SONET_Usr.bk Page 169 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Saving Graphical Results to Disk 3 Press OTHER 4 Choose DISK OPERATION FILE TYPE SAVE GRAPHICS 5 Choose the directory in which to save the graphics results. See "Accessing Directories and Selecting Files "...

  • Page 173: Recalling Graphics Results From Disk

    SONET_Usr.bk Page 170 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Recalling Graphics Results from Disk Recalling Graphics Results from Disk Description The procedure below shows you how to recall graphical results from a graphics file stored on disk. You need to recall graphical results from disk before they can be viewed via the GRAPH display.

  • Page 174: Copying Graphics Results From Instrument Store To Disk

    SONET_Usr.bk Page 171 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Copying Graphics Results from Instrument Store to Disk Copying Graphics Results from Instrument Store to Disk Description You can copy Graphics Results from the instrument store to the Disk. This is useful under the following conditions: •...
  • Page 175 4 If you wish to view the graphic results at a later date via a spreadsheet, choose FORMAT . CSV is Comma Separated Variable. If you wish to view the graphic results at a later date on an OmniBER 720, choose FORMAT NORMAL 5 To copy the configuration from instrument to Disk, choose If you have entered a filename which already exists, a warning “File exists - are...

  • Page 176: Saving Configurations To Disk

    1 Set the OmniBER 720 to the configuration you wish to store. HOW TO: 2 Choose the directory in which you wish to save the OmniBER 720 configuration. See "Accessing Directories and Selecting Files " page 165. 3 Choose DISK OPERATION...

  • Page 177: Recalling Configuration From Disk

    SONET_Usr.bk Page 174 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Recalling Configuration from Disk Recalling Configuration from Disk Description The procedure below shows you how to recall mesurement settings from a configuration file stored on disk. 1 Choose the directory that contains the configuration file to be recalled.

  • Page 178: Copying Configuration From Instrument Store To Disk

    If you have a configuration stored in the instrument store that you wish to use on another instrument, you can copy it to disk. The configuration can then be downloaded from the disk in to another OmniBER 720 with the same options as the original instrument.
  • Page 179 SONET_Usr.bk Page 176 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Copying Configuration from Instrument Store to Disk 4 To copy the configuration from instrument to Disk choose If you have entered a filename which already exists, a warning “File exists - are you sure you wish to continue”...

  • Page 180: Copying Configuration From Disk To Instrument Store

    If you have a configuration stored in the instrument store and you want to use it on another instrument, copy the configuration to disk. The configuration can then be downloaded from the disk to another OmniBER 720 with the same options as the original instrument.
  • Page 181 SONET_Usr.bk Page 178 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Copying Configuration from Disk to Instrument Store 4 To copy the configuration from Disk to instrument, choose If you have entered a instrument store number which already contains a configuration, a warning “Are you sure you wish to continue”...

  • Page 182: Managing Files And Directories On Disk

    SONET_Usr.bk Page 179 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Managing Files and Directories on Disk Managing Files and Directories on Disk Description File and directory structures allow you to store information in an organized manner on disk - helps speed up the transfer of data between the instrument and the disk drive.

  • Page 183: Deleting A Directory On Disk

    SONET_Usr.bk Page 180 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Managing Files and Directories on Disk Deleting a Directory on Disk Description Obsolete Directories should be deleted as an aid to efficient file management. NOT E A directory cannot be deleted until all the files within the directory have been deleted.

  • Page 184: Renaming A File On Disk

    SONET_Usr.bk Page 181 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Managing Files and Directories on Disk Renaming a File on Disk Description Files can be renamed as an aid to efficient file management. HOW TO: 1 Press , then select FLOPPY DISK.

  • Page 185: Deleting A File On Disk

    SONET_Usr.bk Page 182 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Managing Files and Directories on Disk Deleting a File on Disk Description Obsolete files can be deleted as an aid to efficient file management. HOW TO: 1 Press , then select FLOPPY DISK.

  • Page 186: Adding Descriptors To Disk Files

    SONET_Usr.bk Page 183 Wednesday, December 13, 2000 11:11 AM Using Instrument and Disk Storage Managing Files and Directories on Disk Adding Descriptors to Disk Files Description When storing configurations or graphics on disk, you can give them an easily remembered descriptor for identification at a later date. Descriptors can be added to .CNF and .SMG files.
  • Page 187 SONET_Usr.bk Page 184 Wednesday, December 13, 2000 11:11 AM Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 188 SONET_Usr.bk Page 185 Wednesday, December 13, 2000 11:11 AM “Coupling Transmit and Receive Settings” page 186 “Setting Time & Date” page 187 “Enabling Keyboard Lock” page 188 “Enabling Beep on Received Error” page 189 “Suspending Test on Signal Loss” page 190 “REI-L/MS-REI Result/Enable”...

  • Page 189: Coupling Transmit And Receive Settings

    SONET_Usr.bk Page 186 Wednesday, December 13, 2000 11:11 AM Selecting and Using "OTHER" Features Coupling Transmit and Receive Settings Coupling Transmit and Receive Settings Description When generating and measuring at the same interface level, you can have the transmit and receive settings coupled together. Any settings change made on the transmit display will automatically occur on the receive display.

  • Page 190: Setting Time & Date

    SONET_Usr.bk Page 187 Wednesday, December 13, 2000 11:11 AM Selecting and Using "OTHER" Features Setting Time & Date Setting Time & Date Description When making Bit error measurements and recording results you can have certain events timed chronologically, for example, Alarms; Error Seconds. The capability to set the Time and Date is provided on the OTHER TIME &...

  • Page 191: Enabling Keyboard Lock

    Enabling Keyboard Lock Enabling Keyboard Lock Description You can protect the measurement settings from interference during a test. This function is provided in the OmniBER 720 on the OTHER display. MISCELLANEOUS The following keys are not affected by Keyboard Lock: •...

  • Page 192: Enabling Beep On Received Error

    Enabling Beep on Received Error Description You can have an audible indication of an error which is particularly useful when the display on the test set is hidden from view. This function is provided in the OmniBER 720 on the OTHER display. MISCELLANEOUS...

  • Page 193: Suspending Test On Signal Loss

    SONET_Usr.bk Page 190 Wednesday, December 13, 2000 11:11 AM Selecting and Using "OTHER" Features Suspending Test on Signal Loss Suspending Test on Signal Loss When running a test, you can choose to suspend the test during periods of signal loss. This function is available on the OTHER display.

  • Page 194: Rei-L/Ms-Rei Result/Enable

    SONET_Usr.bk Page 191 Wednesday, December 13, 2000 11:11 AM Selecting and Using "OTHER" Features REI-L/MS-REI Result/Enable REI-L/MS-REI Result/Enable Description Before running a test, you can choose to enable or disable the SDH measurements of MS-REI and MS-AIS or the equivalent SONET measurements of REI-L/AIS-L . This function is available on the OTHER display.

  • Page 195: Graph Storage Resolution

    SONET_Usr.bk Page 192 Wednesday, December 13, 2000 11:11 AM Selecting and Using "OTHER" Features Graph Storage Resolution Graph Storage Resolution Description The total graphics store capacity is normally 20.000 events. If GRAPH STORAGE RESOLUTION is selected the capacity reduces to 10,000 events. FULL Artisan Technology Group - Quality Instrumentation ...

  • Page 196: Prbs Polarity Control (Option 003 Only)

    SONET_Usr.bk Page 193 Wednesday, December 13, 2000 11:11 AM Selecting and Using "OTHER" Features PRBS Polarity Control (Option 003 only) PRBS Polarity Control (Option 003 only) Description You can select PRBS patterns with NORMAL or INVERTed polarity from the TRANSMITTER and RECEIVER windows. The definition of NORMAL and INVERTed differs between ITU-T O.150 and common practice usage in the United States of America for 2 -1 and 2...

  • Page 197: Setting Error Threshold Indication

    When making error measurements, you can have an indication of when an error count or error ratio threshold has been exceeded. You can set the OmniBER 720 to indicate this by a color change, from yellow to red, of the bar on the...

  • Page 198: Setting Screen Brightness And Color

    SONET_Usr.bk Page 195 Wednesday, December 13, 2000 11:11 AM Selecting and Using "OTHER" Features Setting Screen Brightness and Color Setting Screen Brightness and Color Description The OmniBER 720 screen can be set to single or two color using the COLOR PALETTE selection on the OTHER display. COLOR CONTROL The screen brightness can be set to full or half brightness.

  • Page 199: Dumping Display To Disk

    Description The chosen display may be stored on disk in bitmap format using the Screen Dump feature of the OmniBER 720. Logging and Floppy Disk must be set up for screen dump. The current display is stored on disk when PRINT NOW .
  • Page 200 SONET_Usr.bk Page 197 Wednesday, December 13, 2000 11:11 AM Selecting and Using "OTHER" Features Dumping Display to Disk 4 Choose the directory in which to save the Screen Dump. See "Accessing Directories and Selecting Files " page 165. 5 If you wish to enter your own choice of filename, choose DISK OPERATION FILE TYPE SAVE SCREEN DUMP...

  • Page 201: Running Self Test

    3 Connect Optical OUT to Optical IN via a 15 dB attenuator. NOT E If any or all of these connections are not made the OmniBER 720 will FAIL Self Test. 4 Press to activate the Self Test. TEST STATUS RUNNING will be RUN/STOP displayed.
  • Page 202 The information pertaining to TEST TYPE, TEST NUMBER and SUBTEST NUMBER will change as the Self Test progresses. If the OmniBER 720 is functioning correctly, after a time of 2 to 3 minutes, TEST STATUS PASSED is displayed. If TEST STATUS [FAIL nnn] is displayed, the OmniBER 720 should be returned to a service office for repair.
  • Page 203 SONET_Usr.bk Page 200 Wednesday, December 13, 2000 11:11 AM NOT E Each individual self test requires unique loopback connections. To obtain a list of the connections required move the highlighted cursor to CABLING INFO and press The Loopbacks list will appear on the display. Artisan Technology Group - Quality Instrumentation ...

  • Page 204: Background Patterns

    SONET_Usr.bk Page 201 Wednesday, December 13, 2000 11:11 AM Appendix A Background Patterns The following tables list the background patterns available when selecting specific foregrounds. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 205: Sdh Operation

    SONET_Usr.bk Page 202 Wednesday, December 13, 2000 11:11 AM Background Patterns SDH Operation Table 3 AU-3 Background Patterns Foreground Background choice in Background choice in Foreground AU-3 other AU-3s AU-3 --------- TU-11, TU-12 Mapping or AU-3 Word (8 bit user programmable word).

  • Page 206: Sonet Operation

    SONET_Usr.bk Page 203 Wednesday, December 13, 2000 11:11 AM Background Patterns Table 4 TUG-3 Background Patterns Foreground Background choice in Background choice in Foreground TUG-3 other TUG-3s TU-12 (2 Mb/s) TU-12 structure, unframed with 2E15-1, TU-12, TU-11 Mapping or Unframed 2E9-1 PRBS or 1100 word pattern in all TU-3 Word (8 bit user information bits.
  • Page 207 SONET_Usr.bk Page 204 Wednesday, December 13, 2000 11:11 AM Background Patterns STS-1 SPE Background Patterns, continued Foreground Background choice in Background choice in Foreground TUG-3 other AU-3 VT-1.5 (DS1) VT-1.5 structure, D4 framed with 2E15- VT-2, VT-1.5 Mapping or Unframed 1, 2E9-1 PRBS or 1100 Word pattern in SPE Word (8 bit user other TU-11s.

  • Page 208: Etsi/Ansi Terminology

    SONET_Usr.bk Page 205 Wednesday, December 13, 2000 11:11 AM Appendix B ETSI/ANSI Terminology A table of ETSI terms with their ANSI equivalents. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 209: Etsi/Ansi Conversion And Equivalent Terms

    SONET_Usr.bk Page 206 Wednesday, December 13, 2000 11:11 AM ETSI/ANSI Terminology ETSI/ANSI Conversion and Equivalent Terms ETSI/ANSI Conversion and Equivalent Terms Introduction Refer to the table given in this appendix for an explanation of equivalent SDH/ SONET terms. ETSI: European Telecommunications Standards Institute. ANSI: American National Standards Institute.
  • Page 210 SONET_Usr.bk Page 207 Wednesday, December 13, 2000 11:11 AM ETSI/ANSI Terminology ETSI/ANSI Conversion and Equivalent Terms ETSI Term ANSI Term Network Node Interface Line Interface SEF (severely errored frame defect) Path AIS / AU-AIS AIS-P Path REI / HP REI REI-P Path FERF / HP RDI RDI-P...
  • Page 211 SONET_Usr.bk Page 208 Wednesday, December 13, 2000 11:11 AM ETSI/ANSI Terminology ETSI/ANSI Conversion and Equivalent Terms ETSI Term ANSI Term TU-3 NONE TU BIP VT BIP (CV-V) TU RDI / LP-RDI RDI-V VT Group TUG2 VT Group (12 columns) TUG3 VT Group (86 columns) TU multiframe VT superframe...
  • Page 212 SONET_Usr.bk Page 209 Wednesday, December 13, 2000 11:11 AM Appendix C Glossary of Terms A brief explanation of terms and abbreviations used in the OmniBER 720. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 213: Glossary Of Terms Glossary

    SONET_Usr.bk Page 210 Wednesday, December 13, 2000 11:11 AM Glossary of Terms Glossary BERT Bit Error Rate Testing Bit Interleaved Parity Glossary Bits Per Second Bipolar Violation ATM Adaptation Layer Channel Associated Available Bit Rate Signaling ADDF Automatic Digital Constant Bit Rate Distribution Frame CCITT Consultative...
  • Page 214 SONET_Usr.bk Page 211 Wednesday, December 13, 2000 11:11 AM Glossary of Terms Glossary DTMF Dual Tone Multi High Order frequency Signaling HP-IB Hewlett-Packard Inter- DWDM Dense Wave Division face Bus (IEEE 488) Multiplexing HP-PLM High Path Payload Digital Cross Connect Label Mismatch HP-RDI High Path Remote...
  • Page 215 SONET_Usr.bk Page 212 Wednesday, December 13, 2000 11:11 AM Glossary of Terms Glossary Line Terminal Equip- Private Branch ment Exchange Line Terminal Multi- Personal Computer plexer Pulse Code Modulation Personal Communica- tions Network Peak Cell Rate Multiplex Section Plesiochronous Digital MS-AIS Multiplex Section AIS Hierarchy...
  • Page 216 SONET_Usr.bk Page 213 Wednesday, December 13, 2000 11:11 AM Glossary of Terms Glossary RSOH Regenerator Section Time Division Multi- Overhead plexing RSTE Regenerator Section TDMA Time Division Multiple Terminating Equipment Access RS-TIM Regenerator Section Terminal Equipment Trace Identifier Telecommunications Mismatch Management Network Receiver Transport Overhead...
  • Page 217 SONET_Usr.bk Page 214 Wednesday, December 13, 2000 11:11 AM Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 218 SONET_Usr.bk Page 215 Wednesday, December 13, 2000 11:11 AM Index Accessories, 16 frequency measurement, 107 A1A2 Boundary Function, 39, 81 ESD Precautions Necessary, 12 Dumping display to disk, 196 Accessories, 16 To the Network, 12 Connection, 16 Connectors Alarm scan Optical Interface, 13 Error Add - TCM, 120 SDH, 112...
  • Page 219 SONET_Usr.bk Page 216 Wednesday, December 13, 2000 11:11 AM Index recall stored results, 135 on Demand, 146 BER test, 102 saving results to disk, 168 Overhead Capture, 146 capture, 40, 82 saving to instrument, 134 overhead snapshot, 146 default transmit, 32, 74 storage resolution, 134 Pointer Graph, 146 H4 byte sequences, 33, 75...
  • Page 220 SONET_Usr.bk Page 217 Wednesday, December 13, 2000 11:11 AM Index Centronics, connecting to parallel port, confidence tests, 199 Synchronization source Self test, 198 SONET, 21, 61 Centronics, logging to, 148 Sequence generation test function, 38, 80 HP-IB, logging to, 149 Sequences internal, changing paper, 155 Overhead generation, 38, 80...
  • Page 221 SONET_Usr.bk Page 218 Wednesday, December 13, 2000 11:11 AM Viewing TCM Errors and Alarms, 125 warning symbols, 14 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 222 Sales and Service Offices An up-to-date list of Agilent Offices is available through the Agilent Technologies Website at URL: http://www.agilent.com. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 223 In This Book This book tells you how to select and use the various instrument fuctions available. User Guide OmniBER 720 Printed in U.K. 12/00 J1407-90011 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

Table of Contents