JDS Uniphase DSAM Series User Manual

Complete meter functionality

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JDSU DSAM Help

Complete DSAM Meter Functionality

User Guide

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Page 1 JDSU DSAM Help Complete DSAM Meter Functionality User Guide www.valuetronics.com...
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Page 3 JDSU DSAM Help Complete DSAM Meter Functionality User Guide www.valuetronics.com...
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Page 5 Notice Every effort was made to ensure that the information in this document was accurate at the time of printing. However, information is subject to change without notice, and JDSU reserves the right to provide an addendum to this document with information not available at the time that this document was created.
Page 6 DSAM Help User Guide Rev. A www.valuetronics.com...
Page 7: Table Of Contents
Table of Contents About This Guide xxiii Purpose and scope ........xxiv Assumptions .
Page 8 Table of Contents Heartbeat ......... . 7 Pause .
Page 9 Table of Contents Choose a Utility........25 Clear All Files .
Page 10 Table of Contents Autotests ......... . 41 Configuring Combo Test Auto Tests .
Page 11 Table of Contents What WFA Browser does ......49 Pointer Motion ........49 Pointer Icon .
Page 12 Table of Contents Cable Modem ........64 How Cable Modem AutoTest Works .
Page 13 Table of Contents How MiniScan Works ....... . 83 Graph View........83 Table View .
Page 14 Table of Contents Files and Printing ........101 Constellation .
Page 15 Table of Contents Chapter 9 Measure Mode - Service Tab Overview ......... . . 116 Main Features.
Page 16 Table of Contents Interpreting Pinging Results ......127 Parameter Selections ......127 Measurement Data .
Page 17 Table of Contents Interpreting Packet Loss Results ..... . 139 Measurement Data......139 Packets Loss .
Page 18 Table of Contents Main Features ........154 DIsplaying the Measure Spectrum menu .
Page 19 Table of Contents How Ingress Resistance Works ..... . . 171 Arrow Keys ........171 File .
Page 20 Table of Contents Interpreting the Results ......189 Subtitle Bar and Graph ......189 Trace View Area .
Page 21 Table of Contents Glossary Index xvii DSAM Help User Guide Rev. A www.valuetronics.com...
Page 22 Table of Contents xviii DSAM Help User Guide Rev. A www.valuetronics.com...
Page 23: List Of Tables
List of Tables Table 1 Technical assistance centers ......xxv Table 2 Typographical conventions ......xxvi Table 3 Keyboard and menu conventions .
Page 24 List of Tables DSAM Help User Guide Rev. A www.valuetronics.com...
Page 25: List Of Figures
List of Figures Figure 1 DSAM Mode Keys........2 Figure 2 Help Menu for AutoTest Mode.
Page 26 List of Figures xxii DSAM Help User Guide Rev. A www.valuetronics.com...
Page 27: About This Guide
About This Guide – “Purpose and scope” on page xxiv – “Assumptions” on page xxiv – “Related information” on page xxiv – “Technical assistance” on page xxv – “Conventions” on page xxvi xxiii DSAM Help User Guide Rev. A www.valuetronics.com...
Page 28: Purpose And Scope
About This Guide Purpose and scope Purpose and scope The purpose of this guide is to help you successfully use the DSAM Help features and capabilities. This guide includes task-based instruc- tions that describe how to install, configure, use, and troubleshoot the DSAM.
Page 29: Technical Assistance
About This Guide Technical assistance Technical assistance If you need assistance or have questions related to the use of this product, call or e-mail JDSU’s Technical Assistance Center for customer support. Table 1 Technical assistance centers Region Phone Number Americas 1-866-228-3762 tac@jdsu.com 1-301-353-1550...
Page 30: Conventions
About This Guide Conventions Center, tac@jdsu.com, or European Technical Assistance Center, support.uk@jdsu.com; or submit your question using our online Tech- nical Assistance Request form at www.jdsu.com. Conventions This guide uses naming conventions and symbols, as described in the following tables. Table 2 Typographical conventions Description...
Page 31: Table 3 Keyboard And Menu Conventions
About This Guide Conventions Table 3 Keyboard and menu conventions Description Example A plus sign + indicates simulta- Press Ctrl+s neous keystrokes. A comma indicates consecutive Press Alt+f,s key strokes. A slanted bracket indicates choos- On the menu bar, click ing a submenu from menu.
Page 32 About This Guide Conventions xxviii DSAM Help User Guide Rev. A www.valuetronics.com...
Page 33: Dsam Overview
DSAM Overview Chapter 1 This chapter provides a general description of the DSAM. Topics discussed in this chapter include the following: – “About the DSAM” on page 2 – “Features and capabilities” on page 2 – “Options” on page 3 DSAM Help User Guide Rev.
Page 34: About The Dsam
Chapter 1 DSAM Overview About the DSAM About the DSAM The DSAM is equipped with an on-board Help system designed to answer many of the questions you may have about the proper config- uration of the meter and the purpose and use of its measurement func- tions.
Page 35: Options
Chapter 1 DSAM Overview Options Options The following options require optional purchase: – TechComplete/AutoTest Closeout – Tone Transmitter – VoIPCheck – Ethernet – CM Diagnostics Page – VoIP – Downstream Spectrum – Sweep – Field View – WFA Browser – Local Browser DSAM Help User Guide Rev.
Page 36 Chapter 1 DSAM Overview Options DSAM Help User Guide Rev. A www.valuetronics.com...
Page 37: Dsam Navigation
DSAM Navigation Chapter 2 This chapter describes navigating the DSAM UI and the functionality of the keys. The topics discussed in this chapter are as follows: – “Using the Keypad” on page 6 – “Navigating the user interface” on page 6 –...
Page 38: Using The Keypad
Chapter 2 DSAM Navigation Using the Keypad Using the Keypad Here are the basic key functions on this meter, starting with the keys located at the top (directly under the display screen): SoftKeys Press any of the four softkeys located under the display screen to open the menu item (on the screen) located directly above the softkey.
Page 39: Active Channel Plan Name
Chapter 2 DSAM Navigation Navigating the user interface – conducting a repetitive measurement, – paused (the measurement is not updated), – displaying a file, – in need of a charge, – receiving a charge, or – in need of service. Active Channel The active channel plan name is located on the far right in the title bar directly under the battery level indicator.
Page 40: Dsam Navigation Accessing Help
Chapter 2 DSAM Navigation Accessing Help Accessing Help Accessing Help When you access the Help system from one of the mode menus (such as AutoTest or Measure), the DSAM displays a mode-level Help menu from a mode that allows you to select the general topic you would like to learn about menu within that mode (Figure...
Page 41: Navigating Within Help
Chapter 2 DSAM Navigation Accessing Help Figure 3 Help Menu for Combo AutoTest Navigating within Use the Help screen softkeys (Figure 3) to move Forward to the high- lighted menu selection or Back to the last-viewed Help screen. The Help Exit softkey returns you to the beginning of the last active mode, and the Menu softkey displays the Help main menu (Figure...
Page 42 Chapter 2 DSAM Navigation Accessing Help DSAM Help User Guide Rev. A www.valuetronics.com...
Page 43: Battery Installation
Battery Installation Chapter 3 This chapter describes how to install and maintain a DSAM battery. The topics discussed in this chapter are as follows: – “Installing and maintaining the battery” on page 12 DSAM Help User Guide Rev. A www.valuetronics.com...
Page 44: Installing And Maintaining The Battery
Chapter 3 Battery Installation Installing and maintaining the battery Installing and maintaining the battery To install the battery: 1 Hold the meter securely with the display screen facing away from you and the keypad in the palm of your hand. 2 Holding the battery in your other hand with its label facing away from you, rest the lower (contact) edge of the battery against the raised edge at the bottom of the meter.
Page 45: Figure 5 Dsam Power Components
Chapter 3 Battery Installation Installing and maintaining the battery Figure 5 DSAM Power Components DSAM Help User Guide Rev. A www.valuetronics.com...
Page 46 Chapter 3 Battery Installation Installing and maintaining the battery DSAM Help User Guide Rev. A www.valuetronics.com...
Page 47: Powering The Dsam
Powering the DSAM Chapter 4 This chapter describes the test results that you gather when running a test. Test results described in this chapter are as follows: – “Powering the Meter” on page 16 DSAM Help User Guide Rev. A www.valuetronics.com...
Page 48: Powering The Meter
Chapter 4 Powering the DSAM Powering the Meter Powering the Meter IMPORTANT Read all safety instructions in the front of this guide before attempt- ing to power the meter or charge the battery (see “Important Safety Instructions” on page 202). Selecting a power There are three ways to provide power to your DSAM.
Page 49: Interpreting The "Charge" Led
Chapter 4 Powering the DSAM Powering the Meter Interpreting the There are two LED indicator lights on your DSAM charger module -- the “Power” LED and the “Charge” LED. “Charge” LED The green “Power” LED illuminates to indicate that the charger module is receiving power.
Page 50 Chapter 4 Powering the DSAM Powering the Meter DSAM Help User Guide Rev. A www.valuetronics.com...
Page 51 Configuring the Meter Chapter 5 This chapter describes the functionality of the instrument. Topics discussed in this chapter are as follows: – “Overview” on page 20 – “Configure - Measure Tab” on page 27 – “Configure - Channel Plan Tab” on page 35 –...
Page 52: Configuring The Meter
Chapter 5 Configuring the Meter Overview Overview Accurate and complete configuration of your DSAM assures reliable measurement performance and enhanced ease of use. To take full advantage of the many features your DSAM offers, be sure to properly configure the meter to respond effectively to your working conditions and to meet your data management needs.
Page 53: Contrast Adjustment
Chapter 5 Configuring the Meter Configure - General Tab – choose a diagnostic To view the CONFIGURE GENERAL menu, press the General softkey when in Configure mode. Contrast The contrast adjustment provides two modes of contrast adjustment (AUTO and MANUAL). The AUTO mode provides a limited contrast Adjustment adjustment based upon the sensed temperature range.
Page 54: Sound Adjustment
Chapter 5 Configuring the Meter Configure - General Tab Sound To adjust the volume of system sounds, press the ENTER key to open the edit box on the ADJUST SOUNDS configuration screen. Use the Adjustment arrow keys to highlight the selection you prefer. Then press the ENTER to complete the edit.
Page 55: Date And Time
Chapter 5 Configuring the Meter Configure - General Tab Date and Time Use the arrow keys to highlight the item you want to edit on the SET DATE and TIME configuration screen. Press ENTER to open the edit box and use the alphanumeric keypad to type your entry. Then press ENTER to complete the edit.
Page 56: Rf Network
Chapter 5 Configuring the Meter Configure - General Tab Use the arrow keys to choose the IP ADDRESS, SUBNET MASK, DEFAULT GATEWAY or DNS SERVER edit box. Press ENTER to open the highlighted box. Use the alphanumeric keypad to type your entry.
Page 57: Security
Chapter 5 Configuring the Meter Configure - General Tab Press ENTER to open the PRESET TO edit box and use the arrow keys to highlight the selection you prefer. Press ENTER to complete the edit and then use the arrow keys to scroll to the next page to view the settings for signal level units, temperature units, and digital perfor- mance units.
Page 58: Reset Meter
Chapter 5 Configuring the Meter Configure - General Tab Reset Meter This option performs a complete reset of your meter, including the DELETION OF ALL MEASUREMENT FILES AND CHANNEL PLANS. This option also restores all configuration settings to their factory-preset values. SECURITY PROTECTION IS DISABLED and the existing Personal Identification Number (PIN) is cleared.
Page 59: Configure - Measure Tab
Chapter 5 Configuring the Meter Configure - Measure Tab Press the SELECT softkey to begin the test. An image of the keypad will appear on the screen. When you press each key on the pad, it will be highlighted on the screen if functioning properly. The key should remain highlighted for the duration that it is pressed.
Page 60: Low Tilt Frequency (Mhz)
Chapter 5 Configuring the Meter Configure - Measure Tab Sweep Tilt Compensation is different than the standard DSAM Tilt mode. Typically Sweep Tilt Compensation is used to adjust the sweep response on a branch of a network where the branch tilt is not the same as the mainline network.
Page 61: Reverse Sweep Port
Chapter 5 Configuring the Meter Configure - Measure Tab Reverse Sweep Port The Reverse Sweep Port box contains Port 1 - Bidirectional and Port 2 - Reverse Only. When Port 2 is selected, both ports are functional for connecting to directional test points. Port 1 will handle the downstream or forward traffic while Port 2 handles the upstream or reverse traffic.
Page 62: Fdr Settings
Chapter 5 Configuring the Meter Configure - Measure Tab 1 Press the Configure key, press the Measure softkey, use the arrow keys to highlight DOCSIS Throughput, press ENTER. The DOCSIS THROUGHPUT configuration screen is displayed. 2 On the DOCSIS THROUGHPUT configuration screen, use the arrow keys to select the downstream HTTP server IP address text field (enter static IP address for the HTTP server) or the file to be transferred by the meter text field (enter file name to download...
Page 63: Vop
Chapter 5 Configuring the Meter Configure - Measure Tab The velocity of propagation (VOP) is a property of the cable in use and greatly affects the measurement accuracy. NOTE VOP values available are 0.3 through 1.0. The default the VOP value is .820.
Page 64: Test Point Configuraton
Chapter 5 Configuring the Meter Configure - Measure Tab – Define (in hexadecimal values only) the roving MAC address for the Cable Modem. The default value is "00-07-11-01-8F-04". – Define (in hexadecimal values only) the roving Multimedia Terminal Adapter MAC address for VoIP. The default value is "00- 07-11-01-8F-06".
Page 65: Reverse
Chapter 5 Configuring the Meter Configure - Measure Tab – Constellation – DOCSIS Range (downstream results only) – Upstream Spectrum – Downstream Spectrum – Ingress Resistance – Forward Sweep – Reverse Sweep – Combo Autotest – Video Autotest – CM Autotest –...
Page 66: Forward
Chapter 5 Configuring the Meter Configure - Measure Tab Probe Loss (dB) Example: Attenuator added inline with test lead – The range is -50.0 to 50.0 dB and the default value is "0.0 dB". NOTE The sum of the Internal, External, and Probe loss values is restricted to a minimum of -100 dB and a maximum of +100 dB.
Page 67: Overview
Chapter 5 Configuring the Meter Configure - Channel Plan Tab NOTE If the "OFF" TPC file is selected, the RENAME and DELETE menu items are unavailable. EDIT Allows you to edit the forward and reverse parameters. NOTE: This button is unavailable if the "OFF" TPC file is selected. SUMMARY Displays a graphical representation of the user-entered TPC values for the selected TPC file.
Page 68: Build A Channel Plan
Chapter 5 Configuring the Meter Configure - Channel Plan Tab NOTE JDSU has installed a default channel plan (NCTA). You can build, clone, or synchronize a customized plan. Build a Channel Plan Use the BUILD NEW PLAN feature to let the meter identify and char- acterize the channels in your system.
Page 69: Edit A Plan
Chapter 5 Configuring the Meter Configure - Channel Plan Tab Edit Edit the characteristics of individual channels within your plan Save As Save a copy of the plan under a different name Delete Delete the plan Enabled Channels Specify which channels are enabled MiniScan Channels Specify which channels appear in the MiniScan measurement Tilt Channels...
Page 70: Enable-Disable Channels
Chapter 5 Configuring the Meter Configure - Channel Plan Tab Use the arrow keys to highlight the channel you intend to edit and press the EDIT softkey, Press the CHANNEL softkey, highlight the edit option you prefer, and press ENTER. The editing options from the CHANNEL menu are: Find Search for a channel by number Add a new channel...
Page 71: Configure Miniscan Channels
Chapter 5 Configuring the Meter Configure - Channel Plan Tab Method #1: Press the PLAN softkey on the SELECT A DOWNSTREAM PLAN screen. Use the arrow keys to highlight Enabled Channels on the pop-up menu and press ENTER. On the ENABLE/DISABLE CHANNELS screen, use the arrow keys to highlight the channel you intend to edit and press the ENABLE softkey to enable or disable (depending on its prior status) that channel.
Page 72: Configure Tilt Channels
Chapter 5 Configuring the Meter Configure - Channel Plan Tab Configure Tilt Up to twelve channels can be measured using the Tilt feature. Channels To specify Tilt channels 1 Press the PLAN softkey on the SELECT A DOWNSTREAM PLAN screen. 2 Use the arrow keys to highlight Tilt Channels on the pop-up menu and press ENTER.
Page 73: Dsam Help User Guide Rev. A
Chapter 5 Configuring the Meter Configure - Channel Plan Tab 1 Press the Configure key, press the Channel Plan softkey, use the arrow keys to highlight Downstream Plans, press ENTER. The SELECT A DOWNSTREAM PLAN screen is displayed. 2 On the SELECT A DOWNSTREAM PLAN screen, press the PLAN softkey, use the arrow keys to highlight Field View Telem- etry on the pop-up menu, press ENTER.
Page 74: Configuring Video Channels Auto Tests
Chapter 5 Configuring the Meter Configure - Channel Plan Tab NOTE Use the CONFIGURE MEASUREMENTS - LIMIT SETS configura- tion screen to edit the limit sets for measurements at the tap, ground block, TV, and cable modem. Configuring Video On the VIDEO CHANNELS AUTOTEST - SELECT TEST CHANNELS Channels Auto Tests screen, use the arrow keys to highlight the channel you intend to edit and press the SELECT softkey to enable or disable (depending on its...
Page 75: Configure - Access Tab
Chapter 5 Configuring the Meter Configure - Access Tab Complete these four steps on the BUILD A NEW PLAN configura- tion screens and the meter will search the cable system for active channels. The CHANNEL PLAN BUILT screen summarizes the process by indicating the name you have selected, the template used, the stop frequency, and the number of channels found.
Page 76 Chapter 5 Configuring the Meter Configure - Access Tab – The home URL address is view only and changed via the JDSU Test Productivity Pack (TPP) software. The home URL address may vary for each network. The DSAM also allows the use of a proxy server within the Browser and Web Access Test.
Page 77: Access Mode
Access Mode Chapter 6 This chapter provides task-based instructions for using the DSAM Access Mode features. Topics discussed in this chapter are as follows: – “Overview” on page 46 – “Access - Browser Tab” on page 49 DSAM Help User Guide Rev.
Page 78: Overview
Chapter 6 Access Mode Overview Overview Use the Access mode to efficiently manage your measurement files and folders. You can also use the Access mode to synchronize your data with optional TPP utility software. The Help system offers addi- tional instruction about these tasks. DIsplaying the To display the ACCESS FILES menu, press the ACCESS mode key, then press the Files softkey.
Page 79: Synchronize Mode
Chapter 6 Access Mode Access - Files tab – delete a folder that you no longer need, or – delete (purge) all folders that have been synchronized with JDSU Test Productivity Pack (TPP) software. Softkeys Three softkeys on the WORK FOLDERS screen provide the following options: Folder Select New to create a new work folder with a name of up to 32 char-...
Page 80: Component Set-Up And Configuration Of The Synchronize
Chapter 6 Access Mode Access - Files tab Following set-up and configuration, use the arrow keys to highlight Synchronize on the ACCESS screen and press ENTER to begin the synchronization process. (The Help System is not available during this process.) The meter will automatically connect with JDSU Test Productivity Pack (TPP) software and transfer data.
Page 81: Define The Ip Address
Chapter 6 Access Mode Access - Browser Tab Press the CONFIGURE hardkey, use the arrow keys to highlight the Configure Access tab, and use the PC CONNECTION configuration screen to select RF connection. Define the IP address On the PC CONNECTION configuration screen, use the alphanu- meric keypad to type the IP ADDRESS of the computer intended for synchronization.
Page 82: Mouse Buttons
Chapter 6 Access Mode Access - Browser Tab Mouse Buttons The Enter key functions as the right mouse button. NOTE The DSAM keypad mouse only supports the right mouse button. Softkeys The softkeys will change based on the HTML mode. Normal Mode Four softkeys on the BROWSER screen provide the following options: Softkeys...
Page 83: Down Softkey
Chapter 6 Access Mode Access - Browser Tab Down softkey: Scroll toward the end of a document. Configuring WFA Is based on two types of network configuration - Ethernet and RF. To configure each or the network configurations and to select a Browser Browser DOCSIS channel see “Preferred Browser Connection”...
Page 84: Rf Configuration
Chapter 6 Access Mode Access - Browser Tab This meter uses a DHCP server as its default network setting. Use the CONFIGURE ETHERNET NETWORK configuration screen to specify an alternate IP address, subnet mask, default gateway and DNS server. Press ENTER to open the OBTAIN IP ADDRESS FROM edit box and use the arrow keys to highlight the selection you prefer.
Page 85: Interpreting The Results
Chapter 6 Access Mode Access - Browser Tab On the SELECT BROWSER CHANNEL screen, use the arrow keys to highlight the DOCSIS channel you intend to select and press the SELECT softkey to enable or disable (depending on its prior status) the DOCSIS channel.
Page 86: Liist Box Softkeys
Chapter 6 Access Mode Access - Browser Tab New Line To create a new line in multi-line text area, press New Line. LIist Box Softkeys Ctrl To select an item in a multi-select list box, press Ctrl. NOTE To select multiple items press the Ctrl key and use the arrow keys to select multiple items.
Page 87: Autotest Mode
AutoTest Mode Chapter 7 This chapter describes the test results that you gather when running a test. Test results described in this chapter are as follows: – “Autotest - Install tab” on page 56 – “Autotest - Closeout tab” on page 69 DSAM Help User Guide Rev.
Page 88: Autotest - Install Tab
Chapter 7 AutoTest Mode Autotest - Install tab Autotest - Install tab AutoTests are automated test sequences. Three types of user-config- urable AutoTests are available on the Install tab. Main Features Combo Test - a user-configured sequential combination of Video Channels AutoTest and Cable Modem AutoTest, Video Channels - user-configured level measurements of a series of analog and/or digital video channels,...
Page 89 Chapter 7 AutoTest Mode Autotest - Install tab NOTE In a Combo AutoTest, the selected limit set will apply to both the Video Channels AutoTest and the Cable Modem AutoTest. (See “Configuring Combo AutoTest” on page 58 for more information about limit sets.).
Page 90: Configuring Combo Autotest
Chapter 7 AutoTest Mode Autotest - Install tab Detail View additional detailed information about the measurement status of each channel tested. Two separate detail screens are available as menu options - Video Channels and Cable Modem. Use the arrow keys to highlight the option you prefer and press ENTER. (The Help system provides additional information about these detail screens in the Video Channels AutoTest and Cable Modem AutoTest sections entitled "Interpreting the Results.")
Page 91: Interpreting Combo Autotest Results
Chapter 7 AutoTest Mode Autotest - Install tab NOTE When a default limit set is configured, the Combo AutoTest process begins immediately upon selecting Combo Test on the AutoTest main menu. 6 If you have selected "None" as your default limit set in CONFIGURE mode, then in AUTOTEST mode select a limit set on the AUTOTEST - COMBO TEST - INSTRUCTIONS screen.
Page 92: Files And Printing
Chapter 7 AutoTest Mode Autotest - Install tab (The Help system provides additional information about these detail screens in the Video Channels AutoTest and Cable Modem AutoTest sections entitled "Interpreting the Results.") NOTE If you selected the wrong limit set before conducting the test, press the LIMITS softkey on the COMBO TEST - AUTOTEST SUMMARY screen to view your test results in relation to a different limit set without rerunning the test.
Page 93: How Video Channels Autotest Works
Chapter 7 AutoTest Mode Autotest - Install tab How Video Channels After a limit set has been selected, press the START softkey and the AutoTest Works AutoTest sequentially measures the signal performance of all assigned channels in the Video Channels AutoTest configuration (See “Configuring Video Channels AutoTest”...
Page 94: Configuring Video Channels Autotest
Chapter 7 AutoTest Mode Autotest - Install tab Limits View your test results in relation to a different limit set without rerun- ning the test. Use the arrow keys to choose the alternate limit set you prefer and press ENTER to make your selection. Detail View detailed measurement results for each channel tested.
Page 95: Interpreting Video Channels Results
Chapter 7 AutoTest Mode Autotest - Install tab 5 On the AUTOTEST - VIDEO CHANNELS - INSTRUCTIONS screen, use the arrow keys to highlight your limit-set preference in the SELECT A LIMIT SET dialog box. 6 To perform the AutoTest without checking the results against limit values, choose "Off <...
Page 96: Files And Printing
Chapter 7 AutoTest Mode Autotest - Install tab A detailed list of all channels is available by pressing the DETAILS softkey while viewing the AutoTest summary screen. Channels that did not pass the test are shown in bold type. When the screen cannot contain the entire list, a vertical scroll bar appears to the right of the list.
Page 97 Chapter 7 AutoTest Mode Autotest - Install tab necessary, the user can troubleshoot an installation by performing this test at various locations to determine which components require repair or replacement. Test results can be stored for later reference. How Cable Modem After a limit set has been selected, press the START softkey and the AutoTest Works AutoTest sequentially measures the performance of all assigned chan-...
Page 98 Chapter 7 AutoTest Mode Autotest - Install tab File Saves or prints a completed test. You also can open an existing Cable Modem AutoTest measurement file to compare previously collected data. Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection.
Page 99 Chapter 7 AutoTest Mode Autotest - Install tab NOTE The channels you select apply only to this channel plan. Other channel plans require their own AutoTest channel selection. 4 In AUTOTEST mode, select the limit set for the test. 5 On the AUTOTEST - CABLE MODEM - INSTRUCTIONS screen, use the arrow keys to highlight your limit-set preference in the SELECT A LIMIT SET dialog box.
Page 100 Chapter 7 AutoTest Mode Autotest - Install tab For each measurement (LEVEL, MER, etc.) configured to be measured in relation to a limit set, a Pass/Fail symbol appears to the left that measurement. When no limit set is enabled, a Pass/Fail status cannot be provided.
Page 101 Chapter 7 AutoTest Mode Autotest - Closeout tab Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection. FILE menu options include: – Save - Saves a Cable Modem Auto Test file –...
Page 102 Chapter 7 AutoTest Mode Autotest - Closeout tab 4 On the TECHCOMPLETE WORK FOLDERS screen, press the FOLDER softkey, use the arrow keys to select NEW, RENAME, or DETAILS, press ENTER. – New - Creates a new folder – Rename - Allows you to rename the selected folder –...
Page 103 Chapter 7 AutoTest Mode Autotest - Closeout tab Three softkeys on the CLOSEOUT TEST - TEST SUMMARY screen provide the following options: – Sync - Displays the ACCESS - SAVE A FILE screen followed by the SYNCHRONIZE screen and then reboots meter. –...
Page 104 Chapter 7 AutoTest Mode Autotest - Closeout tab Follow these steps: 1 Use the CONFIGURE - MEASURE - LIMIT SETS screen to configure the limit-set parameters. Limit-set parameters correspond to each of four available test locations - cable modem, ground block, TV, or tap. NOTE The limit-set parameters you define will remain constant in all chan- nel plans and measurement modes.
Page 105 Chapter 7 AutoTest Mode Autotest - Closeout tab 2 Use the up and down arrow keys to scroll through the listed video channels. Interpreting The TECHCOMPLETE CABLE MODEM AUTOTEST screen provides TechComplete Cable very specific information about the performance of all DOCSIS chan- Modem Results nels tested.
Page 106 Chapter 7 AutoTest Mode Autotest - Closeout tab NOTE – Use the CONFIGURE GENERAL - SET LOCAL PREFER- ENCES configuration screen to specify the type of signal level units and digital performance units you prefer. – Use the CONFIGURE MEASURE - LIMIT SETS configuration screen to edit limit-set parameters to meet your needs.
Page 107: Measure Mode - Basic Tab
Measure Mode - Basic Tab Chapter 8 This chapter describes the Measure Mode - Basic tab functionality. Topics discussed in this chapter are as follows: – “Overview” on page 76 – “Level” on page 77 – “MiniScan” on page 83 –...
Page 108 Chapter 8 Measure Mode - Basic Tab Overview Overview The Measure Mode - Basic tab provides Level, MiniScan, Full Scan, Tilt, Constellation, and FDR measurement modes that view and analyze CATV channels. A tone Transmitter is also provided. Main Features Level - views and analyzes the signal level of each carrier within a channel (as defined by the active channel plan), Miniscan - views and analyzes the carrier levels of up to twelve chan-...
Page 109: Chapter 8 Measure Mode - Basic Tab Level
Chapter 8 Measure Mode - Basic Tab Level Level Level measurement mode views and analyzes the signal level of each carrier within a channel (as defined by the active channel plan). In Channel Tuning mode, carrier levels can be checked in relation to user-configured limit sets.
Page 110 Chapter 8 Measure Mode - Basic Tab Level Channel Tuning When you select Channel Tuning, signal level measurements are displayed on a bar graph and as a numeric value for each carrier within the channel. Relationships between carriers, such as the delta between video and audio levels, are automatically calculated and displayed.
Page 111 Chapter 8 Measure Mode - Basic Tab Level Select Pause to suspend measurement updates (Keystroke shortcut: SHIFT 8). Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection. Limits Select a set of measurement limits by using the arrow keys to high- light the limit set you prefer - Off, Cable Modem, Ground Block, Tap, or TV.
Page 112 Chapter 8 Measure Mode - Basic Tab Level 4 Select the tuning mode you prefer. 5 Press the SETTINGS softkey and use the arrow keys to select Channel Tuning or Frequency Tuning. 6 Press ENTER to make your selection. (See “How Level Works”...
Page 113 Chapter 8 Measure Mode - Basic Tab Level Gray The color of the measurement bar when limit checking is turned off. Also the color of the measurement bar when limit checking is enabled and the signal level is within the configured boundaries. Black/White Diagonal The area above and below the configured limit boundaries (also Hash Lines...
Page 114 Chapter 8 Measure Mode - Basic Tab Level When a level measurement fails to fall within the selected limit-set range, an up or down arrow appears to the right of the measurement indicating that the value is too high or too low. A Pass or Fail symbol also appears next to each level measurement within the channel.
Page 115: Chapter 8 Measure Mode - Basic Tab Miniscan
Chapter 8 Measure Mode - Basic Tab MiniScan NOTE To assure exact measurement recording of current display, always pause (SHIFT 8) measurement updates before saving or printing a measurement file. Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection.
Page 116 Chapter 8 Measure Mode - Basic Tab MiniScan horizontally to the previous or to the next channel. Use the up and down arrow keys to adjust the reference level. Measurements are continually updated in this view. Table View Access the table view by pressing the VIEW softkey. Use the arrow keys to select Table and press ENTER.
Page 117 Chapter 8 Measure Mode - Basic Tab MiniScan Limits Select the set of measurement limits you prefer - Off, Cable Modem, Ground Block, Tap, or TV. Or select Edit to access the CONFIGURE MEASURE - LIMIT SETS configuration screen, where you can edit limit-set parameters to meet your needs.
Page 118 Chapter 8 Measure Mode - Basic Tab MiniScan The name of the plan you have chosen will be displayed on the right-hand side of the title bar at the top of all subsequent screens. 4 Select up to twelve channels for MiniScan measurement. 5 Press the SETTINGS softkey, use the arrow keys to select MiniScan Channels, and press ENTER.
Page 119 Chapter 8 Measure Mode - Basic Tab MiniScan MiniScan Graph The MiniScan graph is comprised of up to four contrasting shades: Shading White The background color of the graph when limit checking is turned off. Also the background area within limit boundaries when limit checking is enabled.
Page 120 Chapter 8 Measure Mode - Basic Tab MiniScan – Select Auto Reference to automatically view measurement results in the best reference setting on the graph (Keystroke shortcut: SHIFT 9). NOTE For best reference setting results you may have to select the Auto Reference button more than once (up to three times).
Page 121: Chapter 8 Measure Mode - Basic Tab Full Scan
Chapter 8 Measure Mode - Basic Tab Full Scan Full Scan Full Scan measurement mode views and analyzes the carrier levels of up to 999 channels at a time and displays the video and audio levels of a carrier on a single screen. The results can be viewed in graph or table form and can be measured in relation to user-configured limit sets.
Page 122 Chapter 8 Measure Mode - Basic Tab Full Scan View Select Auto Reference to automatically view measurement results in the best reference setting on the bar graph (Keystroke shortcut: SHIFT NOTE For best reference setting results you may have to select the Auto Reference button more than once (up to three times).
Page 123 Chapter 8 Measure Mode - Basic Tab Full Scan Select Normal Scan to select the normal scan rate. Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection. NOTE This option slows down the measurement speed. Select Fast Scan to select the fast scan rate.
Page 124 Chapter 8 Measure Mode - Basic Tab Full Scan NOTE Full Scan measurement channels are user-defined and correspond to the active channel plan. A minimum of one (1) and a maximum of 999 channels can be selected for measurement within each chan- nel plan.
Page 125 Chapter 8 Measure Mode - Basic Tab Full Scan 16 Adjust the vertical resolution of the Full Scan graph for the best viewing. 17 Press the VIEW softkey and use the arrow keys to choose 1, 2, 5 or 10 dB/div and press ENTER. Interpreting the The Full Scan measurement mode provides two views (Bar Graph and Table).
Page 126 Chapter 8 Measure Mode - Basic Tab Full Scan Graph Area The Full Scan Bar graph is comprised of channel numbers along the x-axis and signal level on the y-axis. A vertical bar appears above each channel number and the height of the bar represent the signal level of that channel.
Page 127 Chapter 8 Measure Mode - Basic Tab Full Scan – If audio level measurement is turned on, the audio icon, audio carrier frequency (in MHz), and the delta value (in dB) between the video and audio levels are also shown, using the following format.
Page 128: Chapter 8 Measure Mode - Basic Tab Tilt
Chapter 8 Measure Mode - Basic Tab Tilt NOTE To assure exact measurement recording of current display, always pause (SHIFT 8) measurement updates before saving or printing a measurement file. Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection.
Page 129 Chapter 8 Measure Mode - Basic Tab Tilt Use the right and left arrow keys to move the marker horizontally to the previous or to the next channel. Use the up and down arrow keys to adjust the reference level by (1) dB increments. The reference level range is -40 to +60 dBmV.
Page 130 Chapter 8 Measure Mode - Basic Tab Tilt Markers Select the High and Low menu items to set the high and low pilot chan- nels. You cannot set the high and low pilots on the same channel. Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection.
Page 131 Chapter 8 Measure Mode - Basic Tab Tilt – the vertical resolution of the Tilt graph for the best viewing. To configure your meter for Tilt measurement: NOTE Tilt measurement channels are user-defined and correspond to the active channel plan. Up to twelve channels can be selected for measurement within each channel plan.
Page 132 Chapter 8 Measure Mode - Basic Tab Tilt Interpreting the Tilt is transmission loss in a coaxial cable. Transmission loss increases in proportion to the square root of frequency, thus affecting the tilt. As Results displayed by the DSAM 2500 unit, Tilt mode displays levels across a band of channels.
Page 133: Chapter 8 Measure Mode - Basic Tab Constellation
Chapter 8 Measure Mode - Basic Tab Constellation – Carrier frequency (in MHz) – Measured carrier signal level for the low and high pilot channels – Tilt value (in dB) Files and Printing On the TILT screen, press the FILE softkey to save or print a completed test.
Page 134 Chapter 8 Measure Mode - Basic Tab Constellation NOTE A good QAM signal will show a tight grouping of dots in the center of each square on the grid. How Constellation The CONSTELLATION mode allows you to: Works – view a graphic depiction of the signal, –...
Page 135 Chapter 8 Measure Mode - Basic Tab Constellation Select Single Channel to view the level measurement screen for a single channel. Zoom Select Zoom to examine the constellation in more detail. NOTE Level of zoom is provided in lower right portion of screen. Zoom:1 indicates that the entire constellation is displayed with no zoom applied Settings...
Page 136 Chapter 8 Measure Mode - Basic Tab Constellation 3 On the SELECT A DOWNSTREAM PLAN screen, press the PLAN softkey and use the arrow keys to highlight EDIT, press ENTER. 4 On the select SELECT A CHANNEL TO EDIT screen, use the arrow keys to highlight the Channel you are currently servicing, press ENTER.
Page 137 Chapter 8 Measure Mode - Basic Tab Constellation NOTE In 64 QAM, three zoom levels are available for viewing - 8x8, 4x4, and 2x2. In 256 QAM, zoom levels are available for viewing - 16x16, 8x8, 4x4, and 2x2. NOTE Within each zoom level you may navigate to the specific target quadrant of interest to focus the next zoom operation.
Page 138 Chapter 8 Measure Mode - Basic Tab Constellation Phase noise Phase noise impairments cause the dots on the graph to form a circular pattern. Phase noise is best seen on the grid without the use of the zoom feature. Coherent interference Coherent interference impairments such as CTB, CSO, and spurs -- cause the dots on the graph to cluster with an empty space in the middle.
Page 139 Chapter 8 Measure Mode - Basic Tab Constellation NOTE If the displayed interleaver depth is greater than the interleaver depth supported, the BER values are displayed as dashes (-----). The frequency, level, MER and constellation display will remain accurate. Viewing Options Several viewing options are available to assist you with data assess- ment.
Page 140 Chapter 8 Measure Mode - Basic Tab The FDR measurement mode provides a means of characterizing impedance mismatches in the home wiring and is used to detect potential faults that could disrupt signal transmission. A frequency domain reflectometry (FDR) test reveals the location and severity of sources of reflections.
Page 141 Chapter 8 Measure Mode - Basic Tab Select Auto Reference to automatically view measurement results in the best reference setting on the graph (Keystroke shortcut: SHIFT 9). NOTE For best reference setting results you may have to select the Auto Reference button more than once (up to three times).
Page 142 Chapter 8 Measure Mode - Basic Tab NOTE The default setting for the Resolution of Measurement is LOW. The velocity of propagation (VOP) is a property of the cable in use and greatly affects the measurement accuracy. NOTE VOP values available are 0.3 through 1.0. The default the VOP value is .820.
Page 143 Chapter 8 Measure Mode - Basic Tab A reflection will appear on the graph as a peak in amplitude located at the distance where the impedance has changed. The amplitude of the reflection will indicate the severity of the impedance change. For example, a large reflection will result if the cable is broken or un-termi- nated.
Page 144 Chapter 8 Measure Mode - Basic Tab Tone Transmitter Progress Bar (below Displays status of the measurement cycle. graph) Status Information This area consists of the following: Area (below graph) – Horizontal status – Selected dBRL – Selected Zoom – Cable Compensation status (ON or OFF) from Settings screen. Tone Transmitter Tone transmitter mode (optional purchase required) allows you test the return path for any signal problems requiring network alignment and...
Page 145 Chapter 8 Measure Mode - Basic Tab Tone Transmitter Select Upstream Spectrum to display the Upstream Spectrum measurement mode. Select Downstream Spectrum to display the Downstream Spectrum measurement mode. Select Constellation to display the Constellation measurement mode. Select Single Channel to display the Level measurement mode. On/Off Select On to Initialize the Tone Transmitter.
Page 146 Chapter 8 Measure Mode - Basic Tab Tone Transmitter DSAM Help User Guide Rev. A www.valuetronics.com...
Page 147: Measure Mode - Service Tab
Measure Mode - Service Tab Chapter 9 This chapter describes the Measure Mode - Service tab functionality. Topics discussed in this chapter are as follows: – “Overview” on page 116 – “DOCSIS” on page 116 – “Ethernet” on page 135 –...
Page 148 Chapter 9 Measure Mode - Service Tab Overview Overview The Measure Mode - Service tab provides DOCSIS, Ethernet, CM Diagnostics page, and VoIP measurement modes that view and analyze CATV channels. Main Features DOCSIS - analyzes the digital performance of a user-selected DOCSIS channel to verify downstream/upstream connectivity, Ethernet - (optional purchase required) analyzes the internet protocol (IP) performance through the Ethernet,...
Page 149 Chapter 9 Measure Mode - Service Tab DOCSIS NOTE The DOCSIS configuration selection box located within the CON- FIGURE > MEASURE > OTHER SETTINGS screen must have "Registration with CPE initialization" selected to perform and dis- play DOCSIS measurement mode data. Ranging test Performs ranging and displays measurement performance data on the upstream and downstream signal level, downstream modulation error...
Page 150 Chapter 9 Measure Mode - Service Tab DOCSIS VoIPCheck test Displays VoIP call statistics without MTA provisioning. The VoIPCheck test is a continuous test. During a VoIPCheck test, packetloss, jitter, delay, R-Value and MOS values are displayed. NOTE When necessary, the user can troubleshoot an installation by per- forming these tests at various locations to determine which compo- nents require repair or replacement.
Page 151 Chapter 9 Measure Mode - Service Tab DOCSIS Softkeys Three softkeys on the CABLE MODEM MAC ADDRESS screen provide the following options: Start Initialize the DOCSIS testing after a MAC address is selected or entered by pressing the Start softkey. Cancel Exit the CABLE MODEM MAC ADDRESS screen without selecting or entering a MAC address and to return to the SELECT A DOCSIS...
Page 152 Chapter 9 Measure Mode - Service Tab DOCSIS The forth step establishes registration activities for the cable modem as defined by the DOCSIS specification. This is indicated by a gray/ white flashing box located to the left of the activity name. The first text displayed is "connecting to DHCP server"...
Page 153 Chapter 9 Measure Mode - Service Tab DOCSIS NOTE When you select Edit, the limit-set parameters you define will remain constant in all channel plans and measurement modes. Settings Select DOCSIS Channel to conduct a test on a different DOCSIS downstream channel.
Page 154 Chapter 9 Measure Mode - Service Tab DOCSIS 3 On the SELECT A DOWNSTREAM PLAN screen, use the arrow keys to highlight the correct plan for the network you are currently servicing and press ENTER or the DONE softkey. The name of the plan you have chosen will be displayed on the right-hand side of the title bar at the top of all subsequent screens.
Page 155 Chapter 9 Measure Mode - Service Tab DOCSIS 19 Press the LIMITS softkey and use the arrow keys to select the limit set you prefer - Tap, Ground Block, TV, Cable Modem, or Off. Press ENTER to make your selection. 20 If necessary, edit the parameters of a specific limit-set.
Page 156 Chapter 9 Measure Mode - Service Tab DOCSIS Limit Checking At the top of the screen in the left corner, the overall Pass/Fail result is Results displayed next to the name of the selected limit set. The failure of any one item on the screen produces an overall failure indication.
Page 157: Throughput Results
Chapter 9 Measure Mode - Service Tab DOCSIS dBmV for QPSK, 55 dBmV for 16 QAM) and the LEVEL transmitted. This Level Headroom is tested against the "Min CM Headroom" limit value if limits are "ON" (factory default 5 dB). Example 3: You successfully range with the CMTS.
Page 158 Chapter 9 Measure Mode - Service Tab DOCSIS NOTE Since throughput can only be measured after the meter has suc- cessfully ranged and registered with the CMTS, the Throughput test will not be available if Ranging Only is set in the DOCSIS configura- tion session or if registration with the CMTS failed.
Page 159 Chapter 9 Measure Mode - Service Tab DOCSIS NOTE DSAMs can receive up to four SNMP read community strings through synchronization with JDSU Test Productivity Pack (TPP) software. For security purposes, these strings are not editable or viewable on the meter. If your upstream and downstream packet loss and upstream SNR test results are consistently displayed as dashes (---), consult your JDSU Test Productivity Pack (TPP) administrator about the accuracy of the SNMP strings you have...
Page 160 Chapter 9 Measure Mode - Service Tab DOCSIS Measurement Data The PING TEST display contains DOCSIS PING measurement data. The ping data is captured and continuously updated during the DOCSIS Ping test process. NOTE Since the ping test can only be used after the meter has success- fully ranged and registered with the CMTS, the ping test is not avail- able if Ranging Only is set in the DOCSIS configuration session or if registration with the CMTS failed.
Page 161 Chapter 9 Measure Mode - Service Tab DOCSIS To perform the Restore Defaults 1 Press the SETTINGS softkey, use the arrow keys to select Restore Defaults. 2 Press ENTER. NOTE The ten stored IP Addresses are not affected by the Restore Defaults menu item.
Page 162 Chapter 9 Measure Mode - Service Tab DOCSIS A Modify IP dialog box will display the selected IP Address from the IP Address field. 6 Edit the IP address, and press ENTER. NOTE The last edited IP address is placed on the top of the selection list. Delete IP To delete an IP 1 Use the arrow keys to select the IP Address field.
Page 163 Chapter 9 Measure Mode - Service Tab DOCSIS Measurement Data The VoIPCheck CMTS Loop display contains Packet and Quality measurement data. The VoIPCheck CMTS Loop data is captured and continuously updated during the VoIPCheck test process. Packet loss, delay and jitter are factors that affect voice quality on a VoIP network.
Page 164 Chapter 9 Measure Mode - Service Tab DOCSIS R-Value The R-Value number represents a quantitative measurement value based solely on the packet loss, jitter and delay measurements. The value range for R-Value is 0 to 93. Softkeys View The Limits menu allows you to directly display the Range, Register, Throughput, Ping, Packet Loss, CMTS Loop, and Segmentation screens.
Page 165 Chapter 9 Measure Mode - Service Tab DOCSIS Packet loss, delay and jitter are factors that affect voice quality on a VoIP network. Details of each parameter is provided as follows: Packet loss Significant packet loss degrades voice quality. Packet loss occurs when packets are lost on a network, when packets are delayed too long, when packets arrive out of order.
Page 166 Chapter 9 Measure Mode - Service Tab DOCSIS Softkeys View The Limits menu allows you to directly display the Range, Register, Throughput, Ping, Packet Loss, CMTS Loop, and Segmentation screens. To select a different screen, press the VIEW softkey, use the arrow keys to select desired mode, press ENTER.
Page 167: Chapter 9 Measure Mode - Service Tab Ethernet
Chapter 9 Measure Mode - Service Tab Ethernet Ethernet The Ethernet measurement mode (Optional Purchase Required) allows you to analyze the internet protocol (IP) performance through the Ethernet. To perform and display Ethernet measurement data the following tests are provided: IP Info test Displays IP information.
Page 168 Chapter 9 Measure Mode - Service Tab Ethernet File Saves or prints a completed test. You also can open an existing IP file to compare previously collected results. Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection.
Page 169 Chapter 9 Measure Mode - Service Tab Ethernet IMPORTANT Be sure to return the OBTAIN IP ADDRESS FROM edit box setting to DHCP after your test to avoid any conflicts on a different network. NOTE It may be necessary to emulate a subscriber's CPE (customer pre- mises equipment, such as the subscriber's PC or gaming device).
Page 170 Chapter 9 Measure Mode - Service Tab Ethernet View The view menu allows you to directly display the Throughput, Packet Loss and Ping screens. To select a different screen, press the VIEW softkey, use the arrow keys to select Throughput, Packet Loss, or Ping, and press ENTER.
Page 171 Chapter 9 Measure Mode - Service Tab Ethernet Interpreting Displays round trip (upstream and downstream) packet loss test results. Packet Loss Results Measurement Data The PACKET LOSS Test contains all of the Ethernet Packet Loss measurement data. This measurement data is captured and continu- ously updated during the Ethernet Packet Loss test process.
Page 172 Chapter 9 Measure Mode - Service Tab Ethernet – IP address (For a list of the 10 IP addresses available, select the IP address arrow.) – predefined packet size values of 64, 128, 256, 512, 1024, or 1518 (in bytes) are available (The default value is 64 bytes and for a list of the predefined packet size values, select the Packet Size (bytes) arrow.) –...
Page 173 Chapter 9 Measure Mode - Service Tab Ethernet Start/Stop A single softkey performs both start and stop. The label changes to "Stop" while the test is running and back to "Start" when it is stopped. Press the START softkey to start a ping test. NOTE Once a ping test is started the START softkey is changed to display the word STOP.
Page 174 Chapter 9 Measure Mode - Service Tab Ethernet 1 Press the SETTINGS softkey, use the arrow keys to select Add 2 Use the arrow keys to select the IP Address field. 3 Press ENTER. 4 Using the arrow keys select an IP Address. 5 Press ENTER.
Page 175 Chapter 9 Measure Mode - Service Tab Ethernet Delete IP To delete an IP 1 Press the SETTINGS softkey, use the arrow keys to select Delete 2 Use the arrow keys to select the IP Address field. 3 Press ENTER. 4 Using the arrow keys to select an IP Address.
Page 176: Chapter 9 Measure Mode - Service Tab Cm Diagnostics Page
Chapter 9 Measure Mode - Service Tab CM Diagnostics Page CM Diagnostics Page The CM Diagnostics mode (Optional Purchase Required) is based on the Ethernet network configuration. The cable modem must to be connected to the RF network. The DSAM must be connected to the cable modem through an Ethernet port.
Page 177 Chapter 9 Measure Mode - Service Tab VoIP Refresh To reload the latest version of a page, select Refresh. Up softkey: Scroll toward the beginning of a document. Down softkey: Scroll toward the end of a document. VoIP The VoIP (Optional Purchase Required) tests the ability to measure voice quality of your VoIP networks and gateway, internet protocol (IP) phones and other end point devices.
Page 178 Chapter 9 Measure Mode - Service Tab VoIP NOTE If no enabled downstream DOCSIS channels are available in the currently selected forward channel plan when a VoIP Test is selected, a message is displayed stating NO DOCSIS CHANNEL. Select OK and select a downstream plan with at least one enabled DOCSIS channel.
Page 179 Chapter 9 Measure Mode - Service Tab VoIP – Select VIEW MOS to view the Current, Maximum, and Average results of the R-Value Listening, R-Value Conversational, MOS Listening, and MOS Conversational values. – Select VIEW DATA to view the Current, Maximum, and Average results of the Local and Remote packet loss, jitter (ms), and Delay (ms) values.
Page 180 Chapter 9 Measure Mode - Service Tab VoIP limit-set parameters to meet your needs. Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection. NOTE When you select Edit, the limit-set parameters you define will remain constant in all channel plans and measurement modes.
Page 181 Chapter 9 Measure Mode - Service Tab VoIP 7 Use the arrow keys to highlight OTHER SETTINGS, press ENTER. 8 Use the arrow keys to highlight the Multimedia Terminal Adapter MAC address option on the configuration screen. 9 Press ENTER to open the edit box, use the alphanumeric keypad to type your entry, and press ENTER to complete the edit.
Page 182 Chapter 9 Measure Mode - Service Tab VoIP Results for the current, maximum, and average R-Value Listening, R- Value Conversational, MOS Listening, and MOS Conversational are displayed on the screen once a call is placed or received. You can save test results for archival purposes and use the existing VoIP file to compare previously collected data.
Page 183 Chapter 9 Measure Mode - Service Tab VoIP NOTE VoIP test can only be initiated after the meter has successfully reg- istered with the CMTS, and the MTAs has successfully initialized. VoIP mode cannot be initiated if Ranging Only is configured. A call cannot be placed or received if registration with the CMTS has failed.
Page 184 Chapter 9 Measure Mode - Service Tab VoIP DSAM Help User Guide Rev. A www.valuetronics.com...
Page 185: Measure Mode - Spectrum Tab
Measure Mode - Spectrum Tab Chapter 10 This chapter describes the Measure Mode - Spectrum tab functionality. Topics discussed in this chapter are as follows: – “Overview” on page 154 – “Upstream Spectrum” on page 154 – “Downstream Spectrum” on page 159 –...
Page 186: Upstream Spectrum
Chapter 10 Measure Mode - Spectrum Tab Overview Overview Provides Upstream Spectrum, Downstream Spectrum, Full Scan, and Ingress Resistance measurement modes that view and analyze CATV channels. Main Features Upstream spectrum - views and analyzes noise on the upstream path (return path), Downstream spectrum - (optional purchase required) view the entire CATV downstream spectrum frequency range (40 MHz to 1 GHz) in 50...
Page 187: Chapter 10 Measure Mode - Spectrum Tab Upstream Spectrum
Chapter 10 Measure Mode - Spectrum Tab Upstream Spectrum level measurement can be checked in relation to a user-configured limit to determine a pass or fail status. Test results can be stored for later reference. Initial measurements typically occur at the ground block with the home disconnected from the network.
Page 188 Chapter 10 Measure Mode - Spectrum Tab Upstream Spectrum View Select Auto Reference to automatically view measurement results in the best reference setting on the graph (Keystroke shortcut: SHIFT 9). NOTE For best reference setting results you may have to select the Auto Reference button more than once (up to three times).
Page 189 Chapter 10 Measure Mode - Spectrum Tab Upstream Spectrum – an appropriate noise limit value for your installation To configure your meter for Upstream Spectrum measurement: 1 Select (or deselect) the measurement limit option. 2 Press the LIMITS softkey, use the arrow keys to highlight Off or a limit set location (Cable Modem, Ground Block, Tap, and TV), and press ENTER to make your selection.
Page 190 Chapter 10 Measure Mode - Spectrum Tab Upstream Spectrum – Select Auto Reference to automatically view measurement results in the best reference setting on the graph (Keystroke shortcut: SHIFT 9). NOTE For best reference setting results you may have to select the Auto Reference button more than once (up to three times).
Page 191: Chapter 10 Measure Mode - Spectrum Tab Downstream Spectrum
Chapter 10 Measure Mode - Spectrum Tab Downstream Spectrum FILE menu options include: – Save - Saves an Upstream Spectrum measurement file – Open - Opens an existing Upstream Spectrum measurement file Downstream Spectrum The Downstream Spectrum measurement mode (Optional Purchased Required) allows you to view the entire CATV downstream spectrum frequency range (40 MHz to 1 GHz) in 50 Mhz (default) or 10 Mhz (zoom) frequency spans.
Page 192 Chapter 10 Measure Mode - Spectrum Tab Downstream Spectrum File Save a completed test. You also can open an existing Downstream Spectrum measurement file to compare previously collected data. Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection.
Page 193 Chapter 10 Measure Mode - Spectrum Tab Downstream Spectrum Configuring The Downstream Spectrum measurement mode allows for a 50 Mhz (default) or 10 Mhz (zoom) span which is determined by the selected Downstream center frequency. Within each frequency span a wavy measurement Spectrum line (trace) with 201 frequency points is formed and is continuously updated.
Page 194 Chapter 10 Measure Mode - Spectrum Tab Downstream Spectrum turned on, it ensures that the highest amplitude at each frequency point over multiple sweeps is captured. The thick black vertical line is the active marker; the gray vertical line is the inactive marker and does not move.
Page 195: Chapter 10 Measure Mode - Spectrum Tab Field View
Chapter 10 Measure Mode - Spectrum Tab Field View Marker Satus Area The Downstream Spectrum measurement mode also contains an area referred to as the Marker Status area (area below the trace view graph area). This area consists of the marker name, carrier frequency (in MHz), and measured signal level for the frequencies which the markers are on.
Page 196 Chapter 10 Measure Mode - Spectrum Tab Field View The Field View measurement mode also provides a Return Signal Generator (RSG) if so optioned at time of purchase. The RSG provides a continuous wave (CW) signal on the upstream path that is frequency and level configurable.
Page 197 Chapter 10 Measure Mode - Spectrum Tab Field View Select Auto Reference to automatically view measurement results in the best reference setting on the graph (Keystroke shortcut: SHIFT 9). NOTE For best reference setting results you may have to select the Auto Reference button more than once (up to three times).
Page 198 Chapter 10 Measure Mode - Spectrum Tab Field View NOTE If the node you want to view is not being broadcast, contact the PathTrak or Phasor system administrator to request activation. You must provide the PathTrak or Phasor system administrator with the unique identifier (UID) of the requested node.
Page 199 Chapter 10 Measure Mode - Spectrum Tab Field View – Broadcast Nodes, – All Nodes, or – Telemetry Frequency. Node List There are no initial configuration procedures for the Node List option. To view nodes see “Broadcast Nodes” “All Nodes”. Broadcast Nodes 1 From the Field View screen, press the Settings softkey, use the arrow keys to select Broadcast Nodes.
Page 200 Chapter 10 Measure Mode - Spectrum Tab Field View NOTE If the node you want to view is not displayed in Broadcast view, con- tact the PathTrak or Phasor system administrator to request activa- tion. You must provide the PathTrak or Phasor System Administrator with the unique identifier (UID) number of the requested node as viewed in the All Nodes view.
Page 201 Chapter 10 Measure Mode - Spectrum Tab Field View – To set the RETURN SIGNAL GENERATOR LEVEL between 8 and 58 dBmV (68 to 118 dBµV) (-40.8 to 9.2 dBm), press the arrows to backspace and to step the level up/down or use the alphanumeric keypad, press ENTER.
Page 202: Chapter 10 Measure Mode - Spectrum Tab Ingress Resistance
Chapter 10 Measure Mode - Spectrum Tab Ingress Resistance NOTE It is recommended to use the Peak hold option to verify the Return Signal Generator Field View gain/loss. – Select Reset to manually reset the Peak Hold function. – Select Spectrum to display the local Upstream Spectrum measurement mode.
Page 203 Chapter 10 Measure Mode - Spectrum Tab Ingress Resistance How Ingress To fully understand Ingress Resistance measurement mode results, you should be familiar with the Ingress Resistance graph and the Resistance Works viewing options available in the Ingress Resistance mode. You can use the left and right arrow keys to move the marker.
Page 204 Chapter 10 Measure Mode - Spectrum Tab Ingress Resistance Select Pause to suspend measurement updates (Keystroke shortcut: SHIFT 8). Use the arrow keys to select Marker A or Marker B as the active marker, then press ENTER. Use the left and right arrow keys to move the marker.
Page 205 Chapter 10 Measure Mode - Spectrum Tab Ingress Resistance NOTE For best reference setting results you may have to select the Auto Reference button more than once (up to three times). Select 5 dB/div or 10 dB/div to adjust the vertical resolution of the graph for the best viewing.
Page 206 Chapter 10 Measure Mode - Spectrum Tab Ingress Resistance Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection. FILE menu options include: – Save - Saves a Ingress Resistance measurement file –...
Page 207: Measure Mode - Sweep Tab
Measure Mode - Sweep Tab Chapter 11 This chapter describes the Measure Mode - Sweep tab functionality. Topics discussed in this chapter are as follows: – “Overview” on page 176 – “Forward Sweep” on page 177 – “Reverse Sweep” on page 184 DSAM Help User Guide Rev.
Page 208 Chapter 11 Measure Mode - Sweep Tab Overview Overview The DSAM Sweep measurement displays the difference (delta) in level from the headend to the field DSAM or vice versa. The main goal is to measure the frequency response of the cable system distribution network.
Page 209: Chapter 11 Measure Mode - Sweep Tab Forward Sweep
Chapter 11 Measure Mode - Sweep Tab Forward Sweep – Display of both forward and reverse sweep modes – One pair of vertical measurement markers. – Sweep limit value along with a pair of associated horizontal markers and a PASS/FAIL indicator. –...
Page 210 Chapter 11 Measure Mode - Sweep Tab Forward Sweep How Forward With forward sweep, DSAM performs simply as a passive analysis receiver. It does not transmit any sweep pulses or telemetry. The Sweep Works headend transceiver does all the active work and communicates the headend measurement results over telemetry to the field DSAM for comparison to the local measurements on DSAM.
Page 211 Chapter 11 Measure Mode - Sweep Tab Forward Sweep NOTE This feature allows you to display the difference of the live data and the data stored in the file. When a reference file has been chosen for display, the name of the reference file appears in the subtitle bar in place of 'REF: NONE'.
Page 212 Chapter 11 Measure Mode - Sweep Tab Forward Sweep NOTE For best reference setting results you may have to select the Auto Reference button more than once (up to three times). Select 1 dB/div, 2 dB/div, 5 dB/div, or 10 dB/div to adjust the vertical resolution of the graph for the best viewing.
Page 213 Chapter 11 Measure Mode - Sweep Tab Forward Sweep Configuring On the FORWARD SWEEP screen, press the Settings softkey to display menu options. Forward Sweep Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection. SETTINGS menu options include: Test Point Comp…...
Page 214 Chapter 11 Measure Mode - Sweep Tab Forward Sweep Field view telemetry frequency (MHz) Either use the alphanumeric keypad to type your entry or select the increments (in 10 kHz steps) with the arrow keys. The range is 0.01 to 1000+ MHz. Sweep Tilt and Limit…...
Page 215 Chapter 11 Measure Mode - Sweep Tab Forward Sweep Subtitle Bar Below This area consists of the start and stop frequency (as provided by the Graph sweep plan transmitted from the headend transceiver) and the forward sweep telemetry level. The forward sweep telemetry level can be converted to dBmV, dBm etc from the configuration settings of the DSAM.
Page 216: Chapter 11 Measure Mode - Sweep Tab Reverse Sweep
Chapter 11 Measure Mode - Sweep Tab Reverse Sweep NOTE This feature allows you to display the difference of the live data and the data stored in the file. NOTE Since a reference file is essentially an average of the data obtained from four previous sweeps, enough traces need to have accumu- lated before a file can be saved and used as a reference file.
Page 217 Chapter 11 Measure Mode - Sweep Tab Reverse Sweep How Reverse With reverse sweep, DSAM performs both as an active transceiver and as an analysis receiver. Active sweep points are transmitted and Sweep Works measured by the DSAM field meter and the SDA-5500 receives and measures the sweep points at the headend or hub site.
Page 218 Chapter 11 Measure Mode - Sweep Tab Reverse Sweep Save File Saves the current measurement as a static measurement file. NOTE: When a saved static measurement file is opened, the graph will be one similar to the live measurement graph. NOTE To assure exact measurement recording of current display, always pause (SHIFT 8) measurement updates before saving or printing a...
Page 219 Chapter 11 Measure Mode - Sweep Tab Reverse Sweep Clear Reference Removes reference file from measurement and returns the subtitle bar to "REF: NONE". View Several viewing options are available to assist you with data assess- ment. Press the VIEW softkey. Use the arrow keys to choose the menu item you prefer and press ENTER to make your selection.
Page 220 Chapter 11 Measure Mode - Sweep Tab Reverse Sweep – Changes are made and stored within the DSAM Configuration mode. Telemetry Frequency… Proceeds to the telemetry frequency screen. – Changes are made and saved within the active channel plan (label viewed in upper right-hand corner of display). Tilt and Limit Settings…...
Page 221 Chapter 11 Measure Mode - Sweep Tab Reverse Sweep The Telemetry settings screen allows you to edit the following param- eters: SDA 5500 telemetry frequency (MHz) Use the alphanumeric keypad to type your entry or select the incre- ments (in 10 kHz steps) with the arrow keys. The range is 0.01 to 1000+ MHz.
Page 222 Chapter 11 Measure Mode - Sweep Tab Reverse Sweep When a sweep limit value is entered a pass/fail indicator also appears on the far left side of the subtile bar above the graph. Trace View Area As multiple sweeps occur, the trace will change only if new sweep levels are different from the levels of the previous trace.
Page 223 Chapter 11 Measure Mode - Sweep Tab Reverse Sweep FILE menu options include: – Save Reference - Saves the current measurement as a reference file. – Save File - Saves the current measurement as a static measure- ment file. – Load Reference - Proceeds to a work folder associated with reference files.
Page 224 Chapter 11 Measure Mode - Sweep Tab Reverse Sweep DSAM Help User Guide Rev. A www.valuetronics.com...
Page 225: Specifications
Specifications Appendix A This appendix describes the DSAM specifications. Topics discussed in this appendix are as follows: – “DSAM-1500, -2500. -2600, -3500, 3600, 6000 Specifications” on page 194 – “Power Component Specifications” on page 198 DSAM Help User Guide Rev. A www.valuetronics.com...
Page 226: Appendix A Specifications Dsam-1500, -2500. -2600, -3500, 3600, 6000 Specifications
Appendix A Specifications DSAM-1500, -2500. -2600, -3500, 3600, 6000 Specifications DSAM-1500, -2500. -2600, -3500, 3600, 6000 Specifications Table 7 Product Specifications Item Description Frequency Range 4 to 1,000 MHz Accuracy ±10 ppm at 25° C (77° F) Tuning Resolution Analog 10 KHz Digital 50 KHz Channel Bandwidth Models ending in A, 8 MHz...
Page 227 Appendix A Specifications DSAM-1500, -2500. -2600, -3500, 3600, 6000 Specifications Table 7 Product Specifications (Continued) Item Description Resolution Bandwidth 330 kHz Sensitivity -35 to +60 dBmV (typical) Two-way Ranging Test DOCISIS® Based DOCSIS® 1.0 and 1.1 Upstream Transmit Range and Models ending in A, 5 to 65 MHz Diplexer Crossover (DOCSIS®...
Page 228 Appendix A Specifications DSAM-1500, -2500. -2600, -3500, 3600, 6000 Specifications Table 7 Product Specifications (Continued) Item Description EVM (Error Vector Magnitude) Range 64 QAM: 1.2% to 5.8% Accuracy: ± 0.5% (1.2% to 2.0%) ± 1.0% (2.1% to 4.0%) ± 1.4% (4.1% to 5.8%) Range 256 QAM: 1.1% to 2.4% Accuracy: ±...
Page 229 Appendix A Specifications DSAM-1500, -2500. -2600, -3500, 3600, 6000 Specifications Table 7 Product Specifications (Continued) Item Description Safety - immunity EN 61000 General Display 320 x 240 pixels, gray scale, selectable backlight Language Support English in all models. No-charge second language option of Span- (User interface and Help System) ish, French, German, or Japanese Dimensions (Models 1500, 2500,...
Page 230: Table 8 Power Component Specifications
Appendix A Specifications Power Component Specifications Table 7 Product Specifications (Continued) Item Description Zoom up to 4 levels Cable modem diagnostic page IP address 192.168.100.1 a. Typical integrated power, detectable range. b. Accuracy for levels between -20 to +60 dBmV Additional uncertainty of ±...
Page 231 Appendix A Specifications Power Component Specifications Table 8 Power Component Specifications (Continued) Item Description Humidity range 0 to 95% RH (non condensing) Output - NiMH Battery Battery life 3 hours (typical) Fast charge rate 1000mA ± 10% @ 7.2V Maximum charge time Up to 5 hours Output - Li-Ion Battery Battery life...
Page 232 Appendix A Specifications Power Component Specifications DSAM Help User Guide Rev. A www.valuetronics.com...
Page 233: Safety Instructions
Safety Instructions Appendix B This appendix describes battery safety instructions for your DSAM. The topics discussed in this appendix are as follows: – “Important Safety Instructions” on page 202 DSAM Help User Guide Rev. A www.valuetronics.com...
Page 234: Appendix B Safety Instructions Important Safety Instructions
Appendix B Safety Instructions Important Safety Instructions Important Safety Instructions Follow these safety precautions to reduce the risk of fire, shock, or personal injury and to avoid damage to the DSAM meter and its power components. 1 Read all instructions in this section regarding the meter, battery, charger module, and universal power supply.
Page 235: Battery Safety
Appendix B Safety Instructions Important Safety Instructions Battery Safety Follow these safety precautions to reduce the risk of fire, shock, or personal injury and to avoid damage to the DSAM battery: These safety precautions apply to the use of the Li-Ion battery supporting the DSAM meter.
Page 236 Appendix B Safety Instructions Important Safety Instructions 1 When powering the meter, maintain the secure connection of each power component. 2 Use only JDSU-specified components to power and conduct measurements with this meter. 3 Do not damage the power cords. 4 Avoid using the meter or its power components during an elec- trical storm.
Page 237: Customer Services
Customer Services Appendix C This chapter describes the customer services available through JDSU. Topics discussed in this chapter include the following: – “About our services” on page 206 – “Customer care” on page 206 – “Global services and solutions” on page 210 DSAM Help User Guide Rev.
Page 238: Appendix C Customer Services About Our Services
Appendix C Customer Services About our services About our services JDSU offers an unmatched portfolio of services to deploy, support and innovate purchased equipment through its Customer Care and Global Services and Solutions organizations. Customer Care is standard with every product sale and consists of business hour technical assistance, in-warranty repair, calibration, and upgrade services.
Page 239 Appendix C Customer Services Customer care Instrument repair Our service centers provide repair, calibration and upgrade services for under warranty equipment. JDSU understands the impact of equip- ment down time on operations and is staffed to ensure a quick turn- around.
Page 240 Appendix C Customer Services Customer care needed, appropriate packing materials can be obtained by contacting JDSU Customer Care. JDSU is not liable for any damage that may occur during shipping. The customer should clearly mark the JDSU- issued RA or reference number on the outside of the package and ship it prepaid and insured to JDSU.
Page 241 Appendix C Customer Services Customer care of loss or damage until that time that the product being repaired or replaced is returned and delivered to customer. Customer shall pay all transportation costs for equipment or software shipped to JDSU for repair or replacement. JDSU shall pay all transportation costs associated with returning repaired or replaced product to customer.
Page 242 Appendix C Customer Services Global services and solutions DISCLAIMS ALL OTHER WARRANTIES, EITHER EXPRESS OR IMPLIED, ON ANY HARDWARE, SOFTWARE, DOCUMENTATION OR SERVICES INCLUDING BUT NOT LIMITED TO WARRANTIES RELATING TO QUALITY, PERFORMANCE, NONINFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, AS WELL AS THOSE ARISING FROM ANY COURSE OF DEALING, USAGE OR TRADE PRACTICE.
Page 243 Appendix C Customer Services Global services and solutions Basic Service for Systems — In today’s fast-paced world of commu- nications, network operators are deploying increasingly complex communications test and management systems. JDSU’s Basic Service for Systems is designed to provide the system experts, support and methodologies to facilitate the integration of systems products into customers’...
Page 244: Product Support
Appendix C Customer Services Global services and solutions Alternative learning: Courseware licensing program and train-the-trainer Recommended for customers with internal training departments, JDSU’s Courseware Licensing Program is a fast, affordable alterna- tive that allows our customers to train their own staff using JDSU’s courseware.
Page 245: Consulting Services
Appendix C Customer Services Global services and solutions Agreements automatically ships the latest software revisions, releases and upgrades to ensure products are operating at the most technolog- ically advanced level. Product Maintenance Agreements — Yearly repair and calibration maintenance agreements simplify billing and help ensure equipment is always operating at optimum levels.
Page 246 Appendix C Customer Services Global services and solutions levels. After consulting with you, the JDSU team can determine which of JDSU’s test and analysis equipment and automation platforms can best streamline your testing processes, data analysis, and test result storage methods. The consulting team can develop and integrate automated testing applications on customers’...
Page 247 Glossary dBm — Decibels referenced to one milliwatt BCM — Broadcom dBmV — Decibels referenced to one millivolt BER — Bit Error Rate dBRL — Decibels of return loss dBµV — Decibels referenced to one microvolt CATV — Community Antenna Tele- Delta V/A —...
Page 248 Glossary DSAM — Digital Service Activation Meter IP — Internet Protocol DSP — Digital Signal Processing kb/s — kilobytes per second EMTA — Embedded Multimedia Terminal Adaptor kHz — Kilohertz EVM — Error Vector Magnitude MAC — Media Access Control FEC —...
Page 249 Glossary TFTP — Trivial File Transfer Protocol RBW — Resolution Bandwidth TOD — Time Of Day TTL — Time To Live SID — Service IDentifier S/N — Signal to Noise Ratio UI — User interface. Layout of commands in a user friendly environ- SNMP —...
Page 250 Glossary DSAM Help User Guide Rev. A www.valuetronics.com...
Page 251 Index Instrument Service Service customer services instrument DSAM Help User Guide Rev. A www.valuetronics.com...
Page 252 Index DSAM Help User Guide Rev. A www.valuetronics.com...
Page 253 www.valuetronics.com...
Page 254 Doc. # Rev. #, MM-YY Language www.valuetronics.com...

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