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21128026 R001 DSAM Help User Guide.book Page i Thursday, February 5, 2009 2:02 PM DSAM Product Family Series Complete DSAM Meter Functionality User Guide...
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21128026 R001 DSAM Help User Guide.book Page ii Thursday, February 5, 2009 2:02 PM...
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21128026 R001 DSAM Help User Guide.book Page iii Thursday, February 5, 2009 2:02 PM DSAM Product Family Series Complete DSAM Meter Functionality User Guide...
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21128026 R001 DSAM Help User Guide.book Page iv Thursday, February 5, 2009 2:02 PM...
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In the European Union, all equipment purchased from JDS Uniphase Corporation after 2005-08-13 can be returned for disposal at the end of its useful life. JDS Uniphase Corporation will ensure that all waste equipment returned is reused, recycled, or disposed of in an environmentally friendly manner, and in compliance with all applicable national and international waste legislation.
21128026 R001 DSAM Help User Guide.book Page iii Thursday, February 5, 2009 2:02 PM Table of Contents About This Guide xxxi Purpose and Scope........xxxii Assumptions .
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21128026 R001 DSAM Help User Guide.book Page iv Thursday, February 5, 2009 2:02 PM Table of Contents Alphanumeric Keypad ........8 Shift Key .
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21128026 R001 DSAM Help User Guide.book Page v Thursday, February 5, 2009 2:02 PM Table of Contents Contrast..........28 Configuring Screen Contrast .
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21128026 R001 DSAM Help User Guide.book Page vi Thursday, February 5, 2009 2:02 PM Table of Contents Other Settings ........65 Configuring Other Settings.
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21128026 R001 DSAM Help User Guide.book Page vii Thursday, February 5, 2009 2:02 PM Table of Contents Purging Synchronized Folders ..... . . 104 Renaming a Folder .
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21128026 R001 DSAM Help User Guide.book Page viii Thursday, February 5, 2009 2:02 PM Table of Contents Video Summary View (Default) ..... 130 DOCSIS Summary View .
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21128026 R001 DSAM Help User Guide.book Page ix Thursday, February 5, 2009 2:02 PM Table of Contents Video Information ....... . . 156 Audio Information .
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21128026 R001 DSAM Help User Guide.book Page x Thursday, February 5, 2009 2:02 PM Table of Contents Interleaver Depth ........176 Impairments .
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21128026 R001 DSAM Help User Guide.book Page xi Thursday, February 5, 2009 2:02 PM Table of Contents Viewing QAM Ingress Results ......189 Hum Analysis .
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21128026 R001 DSAM Help User Guide.book Page xii Thursday, February 5, 2009 2:02 PM Table of Contents Ethernet ......... . . 204 CM Diagnostics Page .
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21128026 R001 DSAM Help User Guide.book Page xiii Thursday, February 5, 2009 2:02 PM Table of Contents Ethernet ..........225 Throughput Test .
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21128026 R001 DSAM Help User Guide.book Page xiv Thursday, February 5, 2009 2:02 PM Table of Contents Noise Peak........251 Frequency Range .
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21128026 R001 DSAM Help User Guide.book Page xv Thursday, February 5, 2009 2:02 PM Table of Contents Graph ......... . 276 Graph Information Bar.
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Instructor-led Training ......313 Public Courses (JDS Uniphase Corporation Sites) ..313 On-site Training (Customer Site) .
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21128026 R001 DSAM Help User Guide.book Page xvii Thursday, February 5, 2009 2:02 PM List of Figures Figure 1 DSAM Product Family Series Field Meter Front Panel Layout ..2 Figure 2 Meter Info ..........3 Figure 3 DSAM Mode Keys.
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21128026 R001 DSAM Help User Guide.book Page xviii Thursday, February 5, 2009 2:02 PM List of Figures Figure 20 Configure – Enter Your Info ....... 35 Figure 21 Configure –...
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21128026 R001 DSAM Help User Guide.book Page xix Thursday, February 5, 2009 2:02 PM List of Figures Figure 53 Configure – Measure Tab: FDR Settings ....63 Figure 54 Configure –...
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21128026 R001 DSAM Help User Guide.book Page xx Thursday, February 5, 2009 2:02 PM List of Figures Figure 86 Configure – Build a New Plan (searching)....94 Figure 87 Configure –...
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21128026 R001 DSAM Help User Guide.book Page xxi Thursday, February 5, 2009 2:02 PM List of Figures Figure 119 AutoTest – Work Folders ....... . 127 Figure 120 AutoTest –...
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21128026 R001 DSAM Help User Guide.book Page xxii Thursday, February 5, 2009 2:02 PM List of Figures Figure 152 Measure Mode – Enable/Disable Channels ....167 Figure 153 Measure Mode –...
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21128026 R001 DSAM Help User Guide.book Page xxiii Thursday, February 5, 2009 2:02 PM List of Figures Figure 185 Measure Mode – Select a DOCSIS Channel to Test ..207 Figure 186 Measure Mode –...
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21128026 R001 DSAM Help User Guide.book Page xxiv Thursday, February 5, 2009 2:02 PM List of Figures Figure 218 Measure Mode – VoIP Incoming Call ..... . 241 Figure 219 Measure Mode –...
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21128026 R001 DSAM Help User Guide.book Page xxv Thursday, February 5, 2009 2:02 PM List of Figures Figure 251 Measure Mode – Sweep Tab ......280 Figure 252 Measure Mode –...
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21128026 R001 DSAM Help User Guide.book Page xxvi Thursday, February 5, 2009 2:02 PM List of Figures xxvi DSAM Help User Guide Revision 001...
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21128026 R001 DSAM Help User Guide.book Page xxvii Thursday, February 5, 2009 2:02 PM List of Tables Table 1 Technical Assistance Centers ......xxxii Table 2 Typographical Conventions.
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21128026 R001 DSAM Help User Guide.book Page xxviii Thursday, February 5, 2009 2:02 PM List of Tables Table 20 Regional Preferences Parameters ......44 Table 21 Sweep Settings Parameters .
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21128026 R001 DSAM Help User Guide.book Page xxix Thursday, February 5, 2009 2:02 PM List of Tables DSAM Help User Guide Revision 001 xxix...
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21128026 R001 DSAM Help User Guide.book Page xxx Thursday, February 5, 2009 2:02 PM List of Tables DSAM Help User Guide Revision 001...
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21128026 R001 DSAM Help User Guide.book Page xxxi Thursday, February 5, 2009 2:02 PM About This Guide – “Purpose and Scope” on page xxxii – “Assumptions” on page xxxii – “Related Information” on page xxxii – “Technical Assistance” on page xxxii –...
DSAM Product Family Series. Additionally, this guide provides a complete description of JDS Uniphase Corporation’s warranty, services, and repair information, including terms and condi- tions of the licensing agreement.
21128026 R001 DSAM Help User Guide.book Page xxxiv Thursday, February 5, 2009 2:02 PM About This Guide Conventions Conventions This guide uses naming conventions and symbols, as described in the following tables. Table 2 Typographical Conventions Description Example User interface actions appear in Press Enter this typeface.
21128026 R001 DSAM Help User Guide.book Page xxxv Thursday, February 5, 2009 2:02 PM About This Guide Conventions Table 3 Keyboard and Menu Conventions (Continued) Description Example A slanted bracket indicates choos- On the menu bar, click ing a submenu from menu. Start >...
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21128026 R001 DSAM Help User Guide.book Page xxxvi Thursday, February 5, 2009 2:02 PM About This Guide Conventions xxxvi DSAM Help User Guide Rev. 001...
21128026 R001 DSAM Help User Guide.book Page 1 Thursday, February 5, 2009 2:02 PM DSAM Product Family Series Chapter 1 Overview This chapter provides a general description of the DSAM Product Family Series. Topics discussed in this chapter include the following: –...
21128026 R001 DSAM Help User Guide.book Page 2 Thursday, February 5, 2009 2:02 PM Chapter 1 DSAM Product Family Series Overview About DSAM Product Family Series About DSAM Product Family Series Display Screen Display Softkeys Exit key Enter key Arrow Mode keys keys...
21128026 R001 DSAM Help User Guide.book Page 3 Thursday, February 5, 2009 2:02 PM Chapter 1 DSAM Product Family Series Overview About DSAM Product Family Series Meter Information To view meter information 1 To view meter information, press Shift, 6. Figure 2 Meter Info The following information about the meter is available:...
21128026 R001 DSAM Help User Guide.book Page 4 Thursday, February 5, 2009 2:02 PM Chapter 1 DSAM Product Family Series Overview Mode Keys Mode Keys Figure 3 DSAM Mode Keys Use the mode keys (Figure 3) to access the top level menu of features associated with each mode.
21128026 R001 DSAM Help User Guide.book Page 7 Thursday, February 5, 2009 2:02 PM DSAM Navigation Chapter 2 This chapter describes navigating the DSAM interface and the func- tionality of the keys. The topics discussed in this chapter are: – “The Keypad”...
21128026 R001 DSAM Help User Guide.book Page 8 Thursday, February 5, 2009 2:02 PM Chapter 2 DSAM Navigation The Keypad The Keypad Softkeys To open the menu item (on the screen), press any of the four softkeys located under the screen. NOTE Press the blue “Shift”...
21128026 R001 DSAM Help User Guide.book Page 9 Thursday, February 5, 2009 2:02 PM Chapter 2 DSAM Navigation The User Interface The blue shift key also shifts the functions of the softkeys to enable access to the following: – Level –...
21128026 R001 DSAM Help User Guide.book Page 10 Thursday, February 5, 2009 2:02 PM Chapter 2 DSAM Navigation Accessing Help Active Channel The active channel plan name is displayed in the far right corner of the title bar, directly under the battery level indicator. Plan Name The battery symbol to the left of the battery level indicator begins to flash when the battery charge condition is extremely low.
21128026 R001 DSAM Help User Guide.book Page 11 Thursday, February 5, 2009 2:02 PM Chapter 2 DSAM Navigation 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 Menu that enables you to select the general topic you would like to research within that mode...
21128026 R001 DSAM Help User Guide.book Page 12 Thursday, February 5, 2009 2:02 PM Chapter 2 DSAM Navigation Accessing Help Figure 7 Help Menu for AutoTest Navigating Help Use the Help screen softkeys (Figure 7 on page 12) to move forward to the selected menu option or backward to the last viewed Help screen.
21128026 R001 DSAM Help User Guide.book Page 13 Thursday, February 5, 2009 2:02 PM Battery Installation Chapter 3 This chapter describes how to install and maintain a DSAM Product Family Series battery. The topics discussed in this chapter are: – “Installing and Maintaining the EZ Charge Battery”...
21128026 R001 DSAM Help User Guide.book Page 14 Thursday, February 5, 2009 2:02 PM Chapter 3 Battery Installation Installing and Maintaining the EZ Charge Battery Installing and Maintaining the EZ Charge Battery Installing the To install the battery Battery 1 Hold the meter securely with the display screen facing away from you and the keypad in the palm of your hand.
21128026 R001 DSAM Help User Guide.book Page 15 Thursday, February 5, 2009 2:02 PM Chapter 3 Battery Installation Installing and Maintaining the EZ Charge Battery Battery Release Button Battery Figure 9 DSAM Product Family Series Field Meter (Rear View) 4 When released, gently pull the battery out of the cavity in the back of the meter.
21128026 R001 DSAM Help User Guide.book Page 16 Thursday, February 5, 2009 2:02 PM Chapter 3 Battery Installation Installing and Maintaining the EZ Charge Battery 1 Align the 12 volt DC universal power supply module connector (or DC connector) with the DC connection port in the battery. 2 Insert the connector into the connection port.
21128026 R001 DSAM Help User Guide.book Page 17 Thursday, February 5, 2009 2:02 PM Chapter 3 Battery Installation Installing and Maintaining the Standard Capacity Battery Connecting the To conduct measurements with your DSAM Product Family Series, connect the RF cable of the system you are servicing to the RF RF Cable connection port on the back panel of the meter.
21128026 R001 DSAM Help User Guide.book Page 18 Thursday, February 5, 2009 2:02 PM Chapter 3 Battery Installation Installing and Maintaining the Standard Capacity Battery IMPORTANT Read all safety instructions in the front of this guide before attempt- ing to power the meter or charge the battery (“Important Safety Instructions”...
21128026 R001 DSAM Help User Guide.book Page 19 Thursday, February 5, 2009 2:02 PM Chapter 3 Battery Installation Making Additional Connections Follow these steps to connect the power components to the DSAM Product Family Series battery (the battery can be in or out of the meter): 1 Align the tabs of the charger module connector to the slots in the battery and gently insert the connector tabs into the battery slots.
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21128026 R001 DSAM Help User Guide.book Page 20 Thursday, February 5, 2009 2:02 PM Chapter 3 Battery Installation Making Additional Connections DSAM Help User Guide Rev. 001...
21128026 R001 DSAM Help User Guide.book Page 21 Thursday, February 5, 2009 2:02 PM 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: –...
21128026 R001 DSAM Help User Guide.book Page 22 Thursday, February 5, 2009 2:02 PM 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 (“Important Safety Instructions”...
21128026 R001 DSAM Help User Guide.book Page 23 Thursday, February 5, 2009 2:02 PM Chapter 4 Powering the DSAM Powering the Meter Table 10 Battery Charge and Operation Values (Continued) Item Charge Time Normal Operation 3.0 Hours typical Complete Charge Approximately 6 to 7 Hours 2 For standard capacity battery charge LED indications, refer to Table 11 on page...
21128026 R001 DSAM Help User Guide.book Page 24 Thursday, February 5, 2009 2:02 PM Chapter 4 Powering the DSAM Powering the Meter Table 11 Standard Capacity Charge LED Indications LED color LED activity Battery and charge condition Green Fast charge cycle is complete; battery is ready for use and in maintenance (constant) charge mode while attached to the...
21128026 R001 DSAM Help User Guide.book Page 25 Thursday, February 5, 2009 2:02 PM Chapter 4 Powering the DSAM Powering the Meter Table 12 High Capacity Charge LED Indications LED color State Battery and charge condition Steady Charging (CHARGE) Flashing Charge fault check: Temp too high/low or, DC too high/low or,...
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21128026 R001 DSAM Help User Guide.book Page 26 Thursday, February 5, 2009 2:02 PM Chapter 4 Powering the DSAM Powering the Meter DSAM Help User Guide Rev. 001...
21128026 R001 DSAM Help User Guide.book Page 27 Thursday, February 5, 2009 2:02 PM Configuring the Meter Chapter 5 This chapter describes the functionality of the instrument. Topics discussed in this chapter are as follows: – “Overview” on page 28 –...
21128026 R001 DSAM Help User Guide.book Page 28 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Overview Overview This chapter describes general meter functionality configuration. Later chapters in this manual describe the AutoTest and Measure modes and the corresponding configuration information for each mode. To take full advantage of the many features your DSAM Product Family Series offers, be sure to properly configure the meter to respond effectively to your working conditions and meet your data...
21128026 R001 DSAM Help User Guide.book Page 29 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab NOTE Contrast is not applicable to DSAM models. – Auto adjustment provides a limited contrast adjustment based on the sensed temperature range.
21128026 R001 DSAM Help User Guide.book Page 30 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Figure 14 Configure – Adjust Contrast 5 To switch between contrast modes, press the Manual/Auto softkey. NOTE When the Auto softkey is displayed, the DSAM contrast function is in Manual mode and vice versa.
21128026 R001 DSAM Help User Guide.book Page 31 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Figure 15 Configure – General Tab: Sounds 3 Using the arrow keys, select Sounds. 4 Press ENTER. Figure 16 Configure –...
21128026 R001 DSAM Help User Guide.book Page 32 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Table 13 Sound Parameters Name Description System Sounds The sound level of beeps and other noises made by the meter.
21128026 R001 DSAM Help User Guide.book Page 33 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Figure 18 Configure – Optimize Battery Life 5 Using the arrow keys, select the parameter you want to edit. 6 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 34 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Table 14 Battery Conservation Parameters (Continued) Name Description Backlight Off The number of seconds of non-activity before the screen dims.
21128026 R001 DSAM Help User Guide.book Page 35 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Figure 20 Configure – Enter Your Info 5 Using the arrow keys, select My Name. 6 Press ENTER. 7 Using the arrow keys and the alphanumeric keypad, edit the value.
21128026 R001 DSAM Help User Guide.book Page 36 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Configuring Date and To set the meter date and time Time 1 Press Configure. 2 Press the General softkey. Figure 21 Configure –...
21128026 R001 DSAM Help User Guide.book Page 37 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab NOTE To change the date format see “Regional Preferences” on page 9 Press the OK softkey. Table 16 Date and Time Parameters Name Description Current Date...
21128026 R001 DSAM Help User Guide.book Page 38 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Figure 24 Configure – Configure Printer 5 Using the arrow keys, select the parameter you want to edit. 6 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 39 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Configuring Ethernet To configure Ethernet settings Settings 1 Press Configure. 2 Press the General softkey. Figure 25 Configure – General Tab: Ethernet Network 3 Using the arrow keys, select Ethernet Network.
21128026 R001 DSAM Help User Guide.book Page 40 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab 9 Press the OK softkey. Table 18 Ethernet Settings Parameters Parameter Description Obtain IP Where the meter should obtain the IP address from. Options are DHCP Server Address From and Let Me Specify Below.
21128026 R001 DSAM Help User Guide.book Page 42 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Port Connections This screen enables you to configure the baud rate of the RS-232 port. Configuring To configure connection settings Connection Settings 1 Press Configure.
21128026 R001 DSAM Help User Guide.book Page 43 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab 8 Press the OK softkey. Table 19 Connection Parameters Name Description RS-232 Baud The signaling rate of the RS-232 port. The default Rate option is 57600.
21128026 R001 DSAM Help User Guide.book Page 44 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Figure 32 Configure – Set Local Preferences 5 Using the arrow keys, select the parameter you want to edit. 6 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 45 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Table 20 Regional Preferences Parameters (Continued) Name Description Date Format The syntax for displaying dates in the user inter- face.
21128026 R001 DSAM Help User Guide.book Page 46 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Figure 33 Configure – General Tab: Security 3 Using the arrow keys, select Security. 4 Press ENTER. Figure 34 Configure –...
21128026 R001 DSAM Help User Guide.book Page 47 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Enabling/Disabling To enable/disable security protection Security Protection 1 Press Configure. 2 Press the General softkey. 3 Using the arrow keys, select Security. 4 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 48 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Figure 35 Configure – General Tab: Choose a Utility 3 Using the arrow keys, select Choose a Utility. 4 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 49 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab 2 Press Configure. 3 Press the General softkey. Figure 37 Configure – General Tab: Clone 4 Using the arrow keys, select Clone. 5 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 50 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab 11 Using the arrow keys, select receive settings from another meter. 12 Press the Select softkey. 13 If cloning to multiple meters, attach the Ethernet cable to a different meter and repeat.
21128026 R001 DSAM Help User Guide.book Page 51 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Figure 39 Configure – General Tab: Diagnostic 3 Using the arrow keys, select Diagnostic. 4 Press ENTER. Figure 40 Configure –...
21128026 R001 DSAM Help User Guide.book Page 52 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Figure 41 Configure – Keypad Test 7 If the keypad fails to function properly, contact your JDS Uniphase Corporation Customer Service Representative.
21128026 R001 DSAM Help User Guide.book Page 53 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab The DSAM searches for an IP address. Once the meter obtains an IP address, the Bind Results screen is displayed. The Bind Results screen displays network assignments (IP address, Subnet address, and Default Gateway) and meter information (CPE MAC address).
21128026 R001 DSAM Help User Guide.book Page 54 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – General Tab Figure 44 TPP – JDSU Remote DSAM 10 From the Connection menu, select Connect to Meter. The Connect to Meter window is displayed. Figure 45 TPP –...
21128026 R001 DSAM Help User Guide.book Page 55 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Configure – Measure Tab The Configure mode – Measure tab enables you to edit the following configuration areas for the DSAM: –...
21128026 R001 DSAM Help User Guide.book Page 56 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Figure 47 Configure – Sweep Settings 5 Using the arrow keys, select the parameter you want to edit. 6 Press ENTER.
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21128026 R001 DSAM Help User Guide.book Page 57 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Table 21 Sweep Settings Parameters (Continued) Name Description High Tilt Fre- Use the up and down arrows to increase or quency decrease the value in 10 kHz increments.
21128026 R001 DSAM Help User Guide.book Page 58 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Limit Sets Use Limit Sets to configure the limit sets for measurements for tap, ground block, TV, cable modem, proof, and up to three custom limits. The limit set parameters you define remain constant for all channel plans and measurement modes.
21128026 R001 DSAM Help User Guide.book Page 59 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Figure 50 Configure – Edit Cable Modem 7 Using the arrow keys, select the parameter you want to edit. 8 Press ENTER.
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21128026 R001 DSAM Help User Guide.book Page 60 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Table 22 Limit Set Parameters (Continued) Name Description Min Delta V/A The minimum delta video to audio before it exceeds (dB) your set limit.
21128026 R001 DSAM Help User Guide.book Page 61 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Table 22 Limit Set Parameters (Continued) Name Description Signal Quality The minimum signal quality at 128 QAM before it 128 QAM falls below your set limit.
NOTE The default values for the server IP address and file to be trans- ferred are maintained by JDS Uniphase Corporation. For more accurate results, JDS Uniphase Corporation recommends that you set up your own throughput server close to your gateway.
21128026 R001 DSAM Help User Guide.book Page 63 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab 7 Using the arrow keys and the alphanumeric keypad, edit the value. 8 Press ENTER. 9 Press the OK softkey. Table 23 DOCSIS Throughput Parameters Name Description...
21128026 R001 DSAM Help User Guide.book Page 64 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Figure 54 Configure – FDR Settings 5 Using the arrow keys, select the parameter you want to edit. 6 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 65 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Table 24 FDR Parameters (Continued) Name Description Velocity of Propa- The velocity of propagation (VOP) is a property of gation the cable in use and greatly affects the measure- ment accuracy.
21128026 R001 DSAM Help User Guide.book Page 66 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab 6 Press ENTER. Figure 56 Configure – Other Settings 7 Using the arrow keys and the alphanumeric keypad, edit the value.
21128026 R001 DSAM Help User Guide.book Page 67 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Table 25 Other Settings Parameters (Continued) Name Description DOCSIS Version The version of DOCSIS on the CMTS. Valid options are DOCSIS 1.0, DOCSIS 1.1, or DOCSIS 2.0.
3 Using the arrow keys, select the parameter you want to edit. 4 Press ENTER. NOTE For more accurate results, JDS Uniphase Corporation recommends that you set up your own VoIPCheck server close to your gateway. Figure 58 Configure – VoIPCheck 5 Using the arrow keys and the alphanumeric keypad, edit the value.
21128026 R001 DSAM Help User Guide.book Page 69 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Table 26 VoIPCheck Parameters Name Description Server IP The numerical identification (logical address) Address assigned to the server that identifies it to the net- work.
21128026 R001 DSAM Help User Guide.book Page 70 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Figure 60 Configure – Return QAM Generator 5 Using the arrow keys, select the parameter you want to edit. 6 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 71 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Test Point Use the Test Point Compensation (TPC) screen, to mathematically adjust DSAM level readings. Compensation TPC better represents the level value at a common point of reference. –...
21128026 R001 DSAM Help User Guide.book Page 72 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab – Forward Sweep – Reverse Sweep – Combo Autotest – Video Autotest – CM Autotest – Home Certification NOTE Forward TPC values are applied to all modes except Reverse Sweep and Reverse Alignment modes.
21128026 R001 DSAM Help User Guide.book Page 73 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Figure 62 Configure – Test Point Compensation 5 Press the File softkey. 6 Using the arrow keys, select New. 7 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 74 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab 4 Press ENTER. Figure 64 Configure – Edit TPC Plan 5 Using the arrow keys, select the parameter you want to edit. 6 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 75 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab Table 28 TPC Plan Parameters Name Description Forward External Example: A distribution tap value on a drop. The Loss valid range is -50.0 to 50.0 dB.
21128026 R001 DSAM Help User Guide.book Page 76 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Measure Tab 5 Using the arrow keys and the alphanumeric keypad, edit the value. 6 Press the OK softkey. Deleting a TPC Plan To delete a TPC plan 1 Using the arrow keys, select the TPC plan you want to delete.
21128026 R001 DSAM Help User Guide.book Page 77 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Figure 66 Configure – TPC Summary 4 Press the OK softkey. Configure Channel Plan Tab – Overview A CATV (Community Antenna Television or Cable TV) system consists of channels that represent the channel plan for that system.
21128026 R001 DSAM Help User Guide.book Page 78 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab – Configure location settings Downstream Each channel is identified by its carrier type, frequency, and other parameters.
21128026 R001 DSAM Help User Guide.book Page 79 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab 5 Using the arrow keys, select the plan you want to use for the network you are servicing. 6 Press ENTER or the Done softkey.
21128026 R001 DSAM Help User Guide.book Page 80 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Figure 69 Configure – Select a Channel to Edit 9 Using the arrow keys, select a channel then: 10 Press the Edit softkey and edit the channel parameters.
21128026 R001 DSAM Help User Guide.book Page 81 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Figure 70 Configure – Edit Channel Table 29 Common Channel Parameters Name Description Enabled Whether or not the channel is enabled. Options are Yes and No.
21128026 R001 DSAM Help User Guide.book Page 82 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Table 30 TV Channel Parameters (Continued) Name Description CN Offset (Carrier-to-noise offset) The difference between the carrier frequency and noise frequency.
21128026 R001 DSAM Help User Guide.book Page 83 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Table 33 Digital Channel Parameters Name Description Modulation The process whereby a transmission signal is modi- fied to carry information.
21128026 R001 DSAM Help User Guide.book Page 84 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Table 34 DOCSIS Channel Parameters (Continued) Name Description Symbol Rate The symbol rate corresponds to the size and shape (bandwidth) of the digital signal.
21128026 R001 DSAM Help User Guide.book Page 85 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab The minimum number of channels is one. The maximum number of channels is twelve. 11 Press the Done softkey. Configuring Channels To configure channels for Tilt for Tilt...
21128026 R001 DSAM Help User Guide.book Page 86 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab To configure access channels 1 Press Configure. 2 Press the Chan Plan softkey. 3 Using the arrow keys, select Downstream Plans. 4 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 87 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab 3 Press ENTER. Figure 74 Configure – Telemetry Settings 4 Using the arrow keys, select a parameter. 5 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 88 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab AutoTests Use the Select an AutoTest screen to configure how AutoTests func- tion using the active channel plan. NOTE When you configure an AutoTest, the parameters apply only to the current active plan.
21128026 R001 DSAM Help User Guide.book Page 89 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Figure 76 Configure – Select an Autotest 5 Using the arrow keys, select Cable Modem. 6 Press the Configure softkey. Figure 77 Configure Mode –...
21128026 R001 DSAM Help User Guide.book Page 91 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Figure 80 Configure Mode – Video Channels AutoTest 7 Using the arrow keys, select a channel you want to include or exclude.
21128026 R001 DSAM Help User Guide.book Page 92 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Figure 81 Configure – Channel Plan Tab: Build New Plan 3 Using the arrow keys, select Build New Plan. 4 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 93 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Figure 83 Configure – Build a New Plan (step 2) 8 Using the arrow keys, select a template plan. 9 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 94 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Figure 85 Configure – Build a New Plan (step 4) 13 Connect to cable plant. 14 Press the Start softkey. Figure 86 Configure –...
21128026 R001 DSAM Help User Guide.book Page 95 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Channel Plan Tab Figure 87 Configure – Build a New Plan (complete) Location Settings The Test Productivity Pack (TPP) software determines what parame- ters appear on the Location Settings screen.
21128026 R001 DSAM Help User Guide.book Page 96 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Access Tab 4 Press ENTER. Figure 89 Configure – Edit Location Settings 5 Using the arrow keys, select the parameter you want to edit. 6 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 97 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Access Tab Configuring a PC To configure a PC connection Connection 1 Press Configure. 2 Press the Access softkey. Figure 90 Configure –...
21128026 R001 DSAM Help User Guide.book Page 98 Thursday, February 5, 2009 2:02 PM Chapter 5 Configuring the Meter Configure – Access Tab NOTE The Secure Synchronization parameters can be disabled on your meter from TPP. If the Secure Synchronization parameters are dis- abled, you cannot change them from your meter.
RF. The default value is Ethernet. Home URL This parameter is “view only” from the DSAM meter. It is changed via the JDS Uniphase Corporation Test Productivity Pack (TPP) software. The home URL address may vary for each network.
21128026 R001 DSAM Help User Guide.book Page 101 Thursday, February 5, 2009 2:02 PM Access Mode Chapter 6 This chapter provides task-based instructions for using the DSAM Product Family Series Access Mode features. Topics discussed in this chapter are as follows: –...
– Rename or examine the properties of a folder (you cannot rename the Default Folder) – Delete a selected folder (you cannot delete the Default Folder) – Purge all folders that have been synchronized with JDS Uniphase Corporation Test Productivity Pack (TPP) software (you cannot purge the Default folder)
21128026 R001 DSAM Help User Guide.book Page 103 Thursday, February 5, 2009 2:02 PM Chapter 6 Access Mode Access – Files Tab 4 Press ENTER. Figure 95 Access – Work Folders 5 Using the arrow keys, select a folder. 6 Press the Open softkey or ENTER. Figure 96 Access –...
21128026 R001 DSAM Help User Guide.book Page 105 Thursday, February 5, 2009 2:02 PM Chapter 6 Access Mode Access – Files Tab 2 Press the Files softkey (Figure 94 on page 102). 3 Using the arrow keys, select Work Folders. 4 Press ENTER (Figure 95 on page 103).
8 Press ENTER. Synchronization The Synchronize function enables you to synchronize your folders (and the files in them) with optional JDS Uniphase Corporation Test Productivity Pack (TPP) software. Through synchronization, this soft- ware can receive, transfer, manage, and archive the measurement data of multiple DSAM meters.
You can also use the synchronization function to receive firmware upgrades to your meter. After initial setup and configuration you can synchronize your data with JDS Uniphase Corporation Test Productivity Pack (TPP) software using an Ethernet connection or an RF connection. Configuring for...
21128026 R001 DSAM Help User Guide.book Page 109 Thursday, February 5, 2009 2:02 PM Chapter 6 Access Mode Access – Browser Tab – WFA Browser (additional purchase required) – Local Browser (additional purchase required) – Web Access Test WFA Browser Use the WFA Browser (additional purchase required) as a web browser.
21128026 R001 DSAM Help User Guide.book Page 110 Thursday, February 5, 2009 2:02 PM Chapter 6 Access Mode Access – Browser Tab Figure 103 Access – WFA Browser Graphical Pointer A graphical pointer is displayed on the browser screen. Use Table 38 on page 110 to understand how the graphical pointer works.
21128026 R001 DSAM Help User Guide.book Page 111 Thursday, February 5, 2009 2:02 PM Chapter 6 Access Mode Access – Browser Tab Table 39 on page 111 describes softkey use and behavior for each mode. Table 39 Browser Softkeys Normal Mode Softkeys FILE Menu Options –...
21128026 R001 DSAM Help User Guide.book Page 112 Thursday, February 5, 2009 2:02 PM Chapter 6 Access Mode Access – Browser Tab Error Messages When an error occurs in WFA Browser mode, one of the following error messages appear: – Could not lock to the downstream channel –...
Access – Browser Tab Figure 105 Access – Local Browser Web Access Test The Web Access Test enables you to connect to a JDS Uniphase Corporation test page on the internet to ensure internet connectivity. It accesses a single screen for view only.
21128026 R001 DSAM Help User Guide.book Page 114 Thursday, February 5, 2009 2:02 PM Chapter 6 Access Mode Access – Browser Tab Figure 106 Access – Browser Tab: WFA Browser 3 Using the arrow keys, select Web Access Test. 4 Press ENTER. If the test is successful, the DSAM Web Access Test screen is displayed.
21128026 R001 DSAM Help User Guide.book Page 115 Thursday, February 5, 2009 2:02 PM AutoTest Mode Chapter 7 This chapter describes how to configure, execute, and interpret the results of automated test sequences available on the DSAM. – “AutoTest Overview” on page 116 –...
21128026 R001 DSAM Help User Guide.book Page 116 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTest Overview AutoTest Overview AutoTests are automated test sequences. The following AutoTests are available: Combo Test A user-configured sequential combination of analog and digital video channels, as well as DOCSIS connectivity tests.
21128026 R001 DSAM Help User Guide.book Page 117 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab Figure 108 AutoTest – AutoTests Tab Running a Combo To run a combo test Test 1 If necessary, configure the limit sets to meet your needs for tap, ground block, TV, cable modem, proof, or custom limits 1-3.
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21128026 R001 DSAM Help User Guide.book Page 118 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab 6 Press ENTER. 7 Using the arrow keys, select an option. 8 Press ENTER. 9 Using the arrow keys, select Limit Plan. 10 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 119 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab 16 Press the Done softkey. 17 Press the Start softkey. The AutoTest in Progress screen is displayed, then the results are displayed.
21128026 R001 DSAM Help User Guide.book Page 122 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab 2 Press the View softkey. 3 Using the arrow keys, select DOCSIS Status. 4 Press ENTER. Figure 114 AutoTest – Combo AutoTest: DOCSIS Status Video Channels A Video Channels test is an automated test sequence designed to assess the signal performance of a user-configured series of analog...
21128026 R001 DSAM Help User Guide.book Page 124 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab 13 Press the Settings softkey. 14 To select Edit Test Point Compensation, press ENTER. (For detailed instructions on choosing a TPC plan see page 71.) 15 Using the arrow keys, select a TPC plan.
21128026 R001 DSAM Help User Guide.book Page 126 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab Table 41 Home Certification Test Results Name Description Channel Results A symbol indicating whether the channel passed or failed the overall test. NOTE Only valid measurements resulting from completed tests are dis- played.
21128026 R001 DSAM Help User Guide.book Page 127 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab Figure 119 AutoTest – Work Folders 5 Using the arrow keys, select the folder you want to work with. 6 Press the Open softkey or ENTER. 7 Using the arrow keys, select Channel Plan.
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21128026 R001 DSAM Help User Guide.book Page 128 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab 14 Press ENTER. 15 Using the arrow keys, select Data Plan. 16 Press ENTER. 17 Using the arrow keys, select an option. 18 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 129 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab Figure 120 AutoTest – Certification in Progress NOTE The Help system is disabled during all tests while they are in prog- ress.
21128026 R001 DSAM Help User Guide.book Page 130 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab Understanding Home Certification Test Overall Results Results Individual Test Results Overall Channel Results Figure 122 AutoTest – Video AutoTest Results Table 42 Home Certification Test Results Name Description...
21128026 R001 DSAM Help User Guide.book Page 131 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab 3 Press ENTER. Figure 123 AutoTest – Home Certification: Video Summary NOTE To save the results to a file, press the Save softkey then follow step 4 through step 13...
21128026 R001 DSAM Help User Guide.book Page 132 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab NOTE To save the results to a file, press the Save softkey then follow step 4 through step 13 under “Saving Results”...
21128026 R001 DSAM Help User Guide.book Page 133 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab 4 Press ENTER. Figure 126 AutoTest – Home Certification Registration NOTE To save the results to a file, press the Save softkey then follow step 4 through step 13...
Only valid measurements resulting from completed tests are dis- played. When an error occurs prohibiting a valid measurement, a dash indicates an invalid numeric value. Synchronizing Home To synchronize the meter with the JDS Uniphase Corporation Test Certification Results Productivity Pack (TPP) software with TPP 1 Press the Save softkey.
21128026 R001 DSAM Help User Guide.book Page 135 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab 4 Press the Sync softkey. NOTE If you do not save the results before you press the Sync softkey, the DSAM will automatically prompt you to save the results to a file.
21128026 R001 DSAM Help User Guide.book Page 136 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab Figure 129 AutoTest – Configure Proof of Performance 5 Using the arrow keys, select Channel Plan. 6 Press ENTER. 7 Using the arrow keys, select an option. 8 Press ENTER.
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21128026 R001 DSAM Help User Guide.book Page 137 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab NOTE The DSAM automatically creates a folder with the name you speci- fied. If you run a single immediate test, the meter saves the results to a file of the same name in the created folder.
21128026 R001 DSAM Help User Guide.book Page 138 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab 23 Press ENTER. 24 To run a single, immediate Proof of Performance test, press the Immediate softkey, use the arrow keys to highlight the location settings parameters then press the ENTER key, edit the entry, then press the OK softkey.
21128026 R001 DSAM Help User Guide.book Page 139 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab 35 Press ENTER. 36 Using the numeric keys, type the start time of the first test. 37 Press ENTER. 38 Using the arrow keys, select Test Stop Time. 39 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 140 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab 51 To use the default Location settings, press the Default softkey. 52 Using the arrow keys and the alphanumeric keypad, edit the entry.
21128026 R001 DSAM Help User Guide.book Page 141 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab Figure 133 AutoTest – Proof of Performance NOTE If you chose the wrong limit set before conducting the test, press the Limits softkey and select a different limit set to view your test results in relation to a different limit set without rerunning the test.
21128026 R001 DSAM Help User Guide.book Page 142 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab Table 43 Home Certification Test Results Name Description Individual Test This area displays the results of individual tests for Results the currently selected channel.
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21128026 R001 DSAM Help User Guide.book Page 143 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab NOTE The limit set parameters you set remain constant for all channel plans and measurement modes. 2 Press AutoTest. 3 Using the arrow keys, select Cable Modem. 4 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 144 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab – Edit AutoTest Settings – When the Choose an AutoTest screen is displayed, use the arrow keys to select the following options then press the Configure softkey.
21128026 R001 DSAM Help User Guide.book Page 145 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab Figure 136 AutoTest – DOCSIS AutoTest NOTE To save the results to a file, press the Save softkey then follow step 4 through step 13...
21128026 R001 DSAM Help User Guide.book Page 146 Thursday, February 5, 2009 2:02 PM Chapter 7 AutoTest Mode AutoTests Tab Table 44 DOCSIS AutoTest Results (Continued) Name Description Individual Test This area displays the results of individual tests for Results the currently selected channel.
21128026 R001 DSAM Help User Guide.book Page 149 Thursday, February 5, 2009 2:02 PM Measure Mode – Basic Tab Chapter 8 This chapter describes the Measure Mode – Basic tab functionality. Topics discussed in this chapter are as follows: – “Basic Measurement Modes”...
21128026 R001 DSAM Help User Guide.book Page 150 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Basic Measurement Modes Basic Measurement Modes The functions under the Basic tab of the DSAM Measure mode provide the following measurement modes for viewing and analyzing CATV channels: Level Views and analyzes the signal level of each carrier within a channel...
21128026 R001 DSAM Help User Guide.book Page 151 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Level A real-time measurement that detects intermittent impairments within a downstream digital QAM carrier. Return Loopback The Return Loopback mode enables you to quickly perform frequency response measurements of active or passive field devices using a single meter.
21128026 R001 DSAM Help User Guide.book Page 152 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Level Figure 139 Measure Mode – Level Frequency The arrow keys provide an alternate method to tune your meter. You use the left and right arrow keys to increment or decrement the frequency by the configured step size.
21128026 R001 DSAM Help User Guide.book Page 153 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Level The arrow keys provide an alternate method to tune the meter. Use the left and right arrow keys to move to the next or previous channel as defined in the current channel plan.
21128026 R001 DSAM Help User Guide.book Page 154 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Level NOTE To save the results to a file, refer to “Saving Results” on page 198. If you chose the wrong limit set before conducting the test, press the Limits softkey and select a different limit set to view your test results in relation to a different limit set without rerunning the test.
21128026 R001 DSAM Help User Guide.book Page 155 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Level Digital Performance The screen displays the modulation error ratio (MER) and bit error rate (BER) before and after (pre/post) forward error correction (FEC). For analog performance, refer to Figure 144 on page 156.
21128026 R001 DSAM Help User Guide.book Page 156 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Level Analog Channel Display Measurement Information Area Video Information Audio Information Secondary Audio Information Figure 144 Measure Mode – Level (analog channel) NOTE For information about how to read the graph, see “Reading Mea-...
21128026 R001 DSAM Help User Guide.book Page 157 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Level Changing the To change the tuning mode Tuning Mode 1 Press the Settings softkey. 2 Using the arrow keys, select Channel Tuning or Frequency Tuning.
21128026 R001 DSAM Help User Guide.book Page 158 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab MiniScan MiniScan A MiniScan analyzes and displays the carrier levels of up to twelve channels and displays the results on a single screen. You can view the results in graph or table form and measure them in relation to pre- configured limit sets.
21128026 R001 DSAM Help User Guide.book Page 159 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab MiniScan NOTE To save the results to a file, refer to “Saving Results” on page 198. If you chose the wrong limit set before conducting the test, press the Limits softkey and select a different limit set to view your test results in relation to a different limit set without rerunning the test.
21128026 R001 DSAM Help User Guide.book Page 160 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab MiniScan Channel Status Area This area of the screen displays the channel type icon, channel frequency, and level. Choosing To select MiniScan channels MiniScan 1 Press the Settings softkey.
21128026 R001 DSAM Help User Guide.book Page 161 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Full Scan NOTE For best reference setting results you may need to press the Auto Reference button up to three times. 5 dB/div or 10 dB/div –...
21128026 R001 DSAM Help User Guide.book Page 162 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Full Scan Figure 148 Measure Mode – Basic Tab 3 Using the arrow keys, select Full Scan. 4 Press ENTER. NOTE To save the results to a file, refer to “Saving Results”...
21128026 R001 DSAM Help User Guide.book Page 163 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Full Scan NOTE For information about how to read the graph, see “Reading Mea- surement Graphs” on page 196. Measurement This area displays information about the current channel.
21128026 R001 DSAM Help User Guide.book Page 164 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Full Scan When the marker is on a channel, the top of the marker is dark, and overstrike portion of the channel is light gray. 1 To move the marker, use the left and right arrow keys.
21128026 R001 DSAM Help User Guide.book Page 165 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Full Scan Measurement Information Area Figure 150 Measure Mode – Full Scan Table NOTE For information about how to read the graph, see “Reading Mea- surement Graphs”...
21128026 R001 DSAM Help User Guide.book Page 166 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Full Scan Enabling To enable channels Channels for Full 1 Press the Settings softkey. Scan 2 Using the arrow keys, select Channel Plans. 3 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 167 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Full Scan Figure 152 Measure Mode – Enable/Disable Channels 10 Using the arrow keys and the Enable softkey, select channels to include in the scan.
21128026 R001 DSAM Help User Guide.book Page 168 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Tilt NOTE For best reference setting results you may need to press the Auto Reference button up to three times. –...
21128026 R001 DSAM Help User Guide.book Page 170 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Tilt Understanding Tilt Results Measurement Information Area Tilt Graph Bar Widths Graph Information Bar Marker Information Area Figure 154 Measure Mode – Tilt NOTE For information about how to read the graph, see “Reading Mea-...
21128026 R001 DSAM Help User Guide.book Page 171 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Tilt – Tilt value (in dB) NOTE JDSU does not recommend comparing tilt between analog and dig- ital carriers. This practice could result in artificial tilt. Enabling Tilt To enable tilt channels Channels...
21128026 R001 DSAM Help User Guide.book Page 172 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Tilt Figure 156 Measure Mode – Select Tilt Channels 8 Using the arrow keys and the Select softkey, select up to twelve channels for tilt measurement.
21128026 R001 DSAM Help User Guide.book Page 173 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Tilt If the marker is on a channel that is the low pilot or is greater in frequency than the low pilot, High is disabled. 8 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 174 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Constellation 3 Press ENTER. 4 To adjust the reference level by (1) dB increments, use the up and down arrow keys. The reference level range is -40 to +60 dBmV.
21128026 R001 DSAM Help User Guide.book Page 175 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Constellation Figure 157 Measurement Mode – Basic Tab: Constellation 3 Using the arrow keys, select Constellation. 4 Press ENTER. NOTE To save the results to a file, refer to “Saving Results”...
21128026 R001 DSAM Help User Guide.book Page 176 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Constellation Digital Performance The area displays the high sensitivity indicator, modulation error ratio (MER) and bit error rate (BER) before and after (pre/post) forward error correction (FEC).
21128026 R001 DSAM Help User Guide.book Page 177 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Constellation Figure 159 Constellation – Thermal (system) Noise Phase Noise Phase noise impairments cause the dots on the graph to form a circular pattern possibly caused by faulty modulators.
21128026 R001 DSAM Help User Guide.book Page 178 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Constellation Gain Compression Gain compression impairment, possibly caused by over-driven ampli- fiers, cause the dots on the graph to be pulled in at the corners. Figure 162 Constellation –...
21128026 R001 DSAM Help User Guide.book Page 179 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Constellation Figure 164 Measure Mode – Constellation Refresh Rates 6 Press ENTER. 7 Press the OK softkey. Using Zoom To zoom in on a quadrant 1 Using the arrow keys, select one of the four quadrants.
This enables you to replace or repair faulty cables and components. To use FDR, you must have a JDS Uniphase Corporation LST-1700 Signal Transmitter, which provides a source for a frequency domain reflectometry test (FDR) of home wiring.
21128026 R001 DSAM Help User Guide.book Page 181 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab 2 Connect the LST-1700 to the DSAM using one of the following cables: – Part Number 1217-00-0251C (for DSAM with standard battery) –...
21128026 R001 DSAM Help User Guide.book Page 182 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab A reflection is displayed on the graph as a peak in amplitude located at the distance where the impedance has changed. The amplitude of the reflection indicates the severity of the impedance change.
21128026 R001 DSAM Help User Guide.book Page 183 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab To set the resolution of measurement, refer to “FDR Settings” on page Graph The graph presents a view of distance on the X-axis and amplitude on the Y-axis.
21128026 R001 DSAM Help User Guide.book Page 185 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Return QAM Generator The Return QAM Generator function generates an upstream signal of a desired frequency, desired level and desired modulation type (16 QAM, 64 QAM, or CW).
21128026 R001 DSAM Help User Guide.book Page 187 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab QAM Ingress Graph Displays signal level on the Y-axis. A vertical bar is displayed and the height of the bar represents the signal level. Symbol Rate The number of symbol changes (signaling events) made to the transmission medium per second using a digitally modulated signal or a...
21128026 R001 DSAM Help User Guide.book Page 188 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab QAM Ingress – View the channel frequency level information – Examine Modulation Error Ratio (MER) The QAM Ingress mode continuously updates the graphic depic- tion of the signal along with the MER and BER data.
21128026 R001 DSAM Help User Guide.book Page 189 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab QAM Ingress NOTE For information about how to read the graph, see “Reading Mea- surement Graphs” on page 196. Measurement The QAM type (64 or 256) and channel number appear at the top of Information Area...
21128026 R001 DSAM Help User Guide.book Page 190 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Hum Analysis Reset – Manually resets the QAM Ingress function. (Only enabled if Peak Hold is enabled.) Single Channel – Displays measurements one channel at a time. First, use the arrow keys to move the marker to the preferred channel then highlight this option from the View menu.
21128026 R001 DSAM Help User Guide.book Page 191 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Hum Analysis Figure 172 Measure Mode – Basic Tab: Hum 3 Using the arrow keys, select Hum. 4 Press ENTER. NOTE If you chose the wrong limit set before conducting the test, press the Limits softkey and select a different limit set to view your test...
21128026 R001 DSAM Help User Guide.book Page 192 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Measurement The channel type and number appear at the top right hand corner of Information Area the screen. Directly below the channel number is the channel frequency and hum information.
21128026 R001 DSAM Help User Guide.book Page 194 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Return Loopback Digital Quality Index where 0 = worst and 10 = best. The lowest DQI value generated since starting the node. Graph Changes only if the levels are different from the levels of the previous trace.
21128026 R001 DSAM Help User Guide.book Page 195 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Return Loopback injected to the input of a device under test. The DSAM can then measure the output, providing valuable information such as gain, loss, roll-off, or frequency response.
21128026 R001 DSAM Help User Guide.book Page 197 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Reading Measurement Graphs Gray The color of the measurement bar when limit check is disabled. Also the color of the measurement bar when limit check is enabled and the signal level is within the configured boundaries.
21128026 R001 DSAM Help User Guide.book Page 199 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Saving Results Figure 180 Save a File screen 4 Using the arrow keys and the alphanumeric keypad, enter a file name for your results.
21128026 R001 DSAM Help User Guide.book Page 200 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Saving Results 10 Press the Skip. 11 Using the arrow keys and the alphanumeric keypad, edit the entry. 12 Press ENTER. 13 Press the OK softkey.
21128026 R001 DSAM Help User Guide.book Page 201 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Saving Results Opening a Saved Opening a saved file is not applicable to AutoTest results. File To open a saved file 1 Press the File softkey.
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21128026 R001 DSAM Help User Guide.book Page 202 Thursday, February 5, 2009 2:02 PM Chapter 8 Measure Mode – Basic Tab Saving Results DSAM Help User Guide Rev. 001...
21128026 R001 DSAM Help User Guide.book Page 203 Thursday, February 5, 2009 2:02 PM Measure Mode – Service Tab Chapter 9 – This chapter describes the Measure Mode Service tab functionality. Topics discussed in this chapter are as follows: – “Service Measurement Modes”...
21128026 R001 DSAM Help User Guide.book Page 204 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab Service Measurement Modes Service Measurement Modes The functions under the Service tab of the DSAM Measure Mode provide the following modes for viewing and analyzing CATV chan- nels: DOCSIS Analyzes the digital performance of a DOCSIS channel to verify...
21128026 R001 DSAM Help User Guide.book Page 205 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS Only DOCSIS channels defined in the downstream (forward path) channel plan are available for DOCSIS measurement testing. You must build a channel plan prior to running a DOCSIS test. Configuring The first thing to check before you run a DOCSIS test is to make sure the CM MAC Address has been provisioned to your Cable Modem...
21128026 R001 DSAM Help User Guide.book Page 206 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS 5 Using the arrow keys, select one of the following: – Range Only: If the DOCSIS Configuration field is set to Range Only, only the range results on the DOCSIS results screen is displayed after you run a DOCSIS test.
21128026 R001 DSAM Help User Guide.book Page 207 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS Figure 185 Measure Mode – Select a DOCSIS Channel to Test 4 Using the arrow keys, select a channel plan. 5 Press the Next softkey.
21128026 R001 DSAM Help User Guide.book Page 208 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS NOTE The roving MAC address must be recognized by your CMTS to achieve DOCSIS ranging. A MAC address is not required if the DOCSIS Configuration is set to Range Only.
21128026 R001 DSAM Help User Guide.book Page 209 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS Figure 188 Measure Mode – DOCSIS NOTE To save the results to a file, refer to “Saving Results” on page 198.
21128026 R001 DSAM Help User Guide.book Page 210 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS Figure 189 Measure Mode – DOCSIS Test in Progress Step 1 During Step 1 of the DOCSIS Test process, DSAM attempts to tune in to and measure the downstream DOCSIS channel attributes and displays the following text next to the first box: –...
21128026 R001 DSAM Help User Guide.book Page 211 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS Step 4 During step 4 of the DOCSIS Test process, DSAM establishes regis- tration activities for the cable modem as defined by the DOCSIS spec- ification and displays the following text next to the third box: –...
21128026 R001 DSAM Help User Guide.book Page 212 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS Test Complete Directly below the overall pass/fail result is an indication that the test Results was completed successfully (Test Complete), or an indication of what error occurred.
21128026 R001 DSAM Help User Guide.book Page 213 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS NOTE The factory default “Min CM Headroom” value is 5 dB. EXAMPLE 3 You successfully range with the CMTS. Results show that the CMTS instructed the DSAM to transmit a QSPK carrier and the suc- cessful transmit level is 42 dBmV.
21128026 R001 DSAM Help User Guide.book Page 214 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS Selecting a To select a different DOCSIS channel Different DOCSIS 1 Press the Settings softkey. Channel 2 Using the arrow keys, select DOCSIS Channels. 3 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 215 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS NOTE When using a customer's CM MAC address, the config file name may indicate the grade of service the customer gets. A file name containing “default”...
– Downstream sent packets, lost packets, and lost ratio Viewing Packet Loss A DSAM can receive up to four SNMP read community strings Results with through synchronization with JDS Uniphase Corporation Test Pro- SNMP Community ductivity Pack (TPP) software. For security purposes, these strings Strings are locked and hidden on the meter.
If your upstream and downstream packet loss and upstream SNR test results are consistently displayed as dashes (---), consult your JDS Uniphase Corporation Test Productivity Pack (TPP) adminis- trator about the accuracy of the SNMP strings you have received. Your meter requires accurate SNMP read community strings to gain...
21128026 R001 DSAM Help User Guide.book Page 218 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS – Packets sent and lost – Average round trip time – Loss to sent ratio To run a ping test 1 Press the View softkey.
21128026 R001 DSAM Help User Guide.book Page 219 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS 12 Using the arrow keys, select the Time Between Pings option. 13 Press ENTER. NOTE Since ping time can only be measured after the meter has success- fully ranged and registered with the CMTS, ping results are not available if Ranging Only is set in the DOCSIS Configuration field (“Configuring DSAM for DOCSIS Tests”...
21128026 R001 DSAM Help User Guide.book Page 220 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS Table 45 Ping Parameters Name Description IP Address Select from a list of up to ten of the most recently used IP addresses.
21128026 R001 DSAM Help User Guide.book Page 221 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS 3 Using the arrow keys, select the IP address you want to edit. 4 Press ENTER. 5 Press the Settings softkey. 6 Using the arrow keys, select Modify IP.
21128026 R001 DSAM Help User Guide.book Page 222 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS To view VoIPCheck results 1 Press the View softkey. 2 Using the arrow keys, select VoIPCheck. 3 Press ENTER. The CMTS Loop screen displays Packet and Quality measure- ment data.
21128026 R001 DSAM Help User Guide.book Page 223 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS Delay Total end-to-end packet delays severely degrade voice quality by causing long delays between callers and causing echo problems. Any packet delays less than 150 ms provide acceptable speech quality.
21128026 R001 DSAM Help User Guide.book Page 224 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab DOCSIS 4 See “Measurement Information Area” on page 222 for the following definitions: Packet Loss, Delay, Jitter, MOS, and R- Value.
21128026 R001 DSAM Help User Guide.book Page 225 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab Ethernet Ethernet The Ethernet measurement mode (additional purchase required) enables you to analyze internet protocol (IP) performance through the Ethernet.
21128026 R001 DSAM Help User Guide.book Page 226 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab Ethernet NOTE To save the results to a file, refer to “Saving Results” on page 198. You can terminate the Ethernet test process at any time by pressing the Cancel softkey.
21128026 R001 DSAM Help User Guide.book Page 227 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab Ethernet Network Assignments Meter Information Figure 202 Measure – Bind Results Network Assignments The Network Assignment area displays the IP Address, Subnet Mask and Default Gateway.
21128026 R001 DSAM Help User Guide.book Page 228 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab Ethernet Throughput Graphs The DOCSIS Throughput screen displays an upstream graph and a downstream graph. The height of the gray bars represents the throughput number displayed in a numerical value beside each bar.
21128026 R001 DSAM Help User Guide.book Page 229 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab Ethernet 1 Press the View softkey. 2 Using the arrow keys, select Ping. 3 Press ENTER. Figure 205 Measure Mode – Ethernet Ping Test 4 Using the arrow keys, select the IP Address option.
21128026 R001 DSAM Help User Guide.book Page 230 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab Ethernet 15 Press ENTER. 16 Press the Start softkey. When a ping test starts, response results begin scrolling upward in the response box (upper right corner of the screen).
21128026 R001 DSAM Help User Guide.book Page 231 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab Ethernet 1 Press the Settings softkey. 2 Using the arrow keys, select Restore Defaults. 3 Press ENTER. NOTE The ten stored IP Addresses are not affected by the Restore Defaults menu item.
21128026 R001 DSAM Help User Guide.book Page 232 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab CM Diagnostics Page NOTE The last edited IP address is placed on the top of the option list. Deleting Ping IP To delete an IP address Addresses 1 Using the arrow keys, select the IP Address option.
21128026 R001 DSAM Help User Guide.book Page 233 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab CM Diagnostics Page Figure 207 Measure Mode – Service Tab: CM Diagnostics 3 Using the arrow keys, select CM Diagnostics Page. 4 Press ENTER.
21128026 R001 DSAM Help User Guide.book Page 234 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP 2 To scroll down, press the Down softkey. 3 Press the Nav softkey. 4 If you pressed the Nav softkey, use the arrow keys to highlight one of the following options: –...
21128026 R001 DSAM Help User Guide.book Page 235 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP Configuring To configure DSAM for VoIP tests DSAM for VoIP 1 If necessary, Tests a adjust the Sounds parameters (“Configuring Sounds”...
21128026 R001 DSAM Help User Guide.book Page 236 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP Figure 210 Measure Mode – VoIP Channel to Test 5 If more than one DOCSIS channel is found in the channel plan, use the arrow keys to highlight the channel you want to test.
21128026 R001 DSAM Help User Guide.book Page 237 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP NOTE The roving MAC address must be recognized by your CMTS to achieve VoIP ranging. Figure 212 Measure Mode – MTA MAC Address 11 Using the arrow keys and the alphanumeric keypad, enter or select the MTA MAC address.
21128026 R001 DSAM Help User Guide.book Page 238 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP Figure 213 Measure Mode – Test in Progress The VoIP Ready screen is displayed. NOTE For instructions on how to save measurement results, see “Saving Results”...
21128026 R001 DSAM Help User Guide.book Page 239 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP Figure 215 Measure Mode – VoIP Telephone Number 18 Using the arrow keys and the alphanumeric keypad, enter or select a telephone number.
21128026 R001 DSAM Help User Guide.book Page 240 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP 21 Highlight one of the following options: – On Hook - Terminates the call. – Off Hook - Enables you to verify a dial tone. –...
21128026 R001 DSAM Help User Guide.book Page 241 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP Figure 218 Measure Mode – VoIP Incoming Call To accept a call 1 Press the Accept softkey. Declining a Call To decline a call 1 Press the Ignore softkey.
21128026 R001 DSAM Help User Guide.book Page 242 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP NOTE The limit set parameters you define remain constant for all channel plans and measurement modes. Selecting the To select the Settings softkey options Settings Softkey 1 To display the Downstream Plans screen, use the arrow keys and...
21128026 R001 DSAM Help User Guide.book Page 243 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP 4 Using the arrow keys and the alphanumeric keypad, enter or select a telephone number. 5 Press the OK softkey. Figure 220 Measure Mode –...
21128026 R001 DSAM Help User Guide.book Page 244 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP Viewing VoIP Data Packet loss, delay and jitter are factors that affect voice quality on a VoIP network. The VoIP Data screen enables you to place and receive Results calls and measure packet loss, delay, and jitter.
21128026 R001 DSAM Help User Guide.book Page 245 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP If the other party accepts the call, DSAM establishes a conversa- tion. 6 Press the View softkey. 7 Using the arrow keys, select View Data. 8 Press ENTER.
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21128026 R001 DSAM Help User Guide.book Page 246 Thursday, February 5, 2009 2:02 PM Chapter 9 Measure Mode – Service Tab VoIP DSAM Help User Guide Rev. 001...
21128026 R001 DSAM Help User Guide.book Page 247 Thursday, February 5, 2009 2:02 PM Measure Mode – Spectrum Tab Chapter 10 This chapter describes the Measure Mode – Spectrum tab function- ality. Topics discussed in this chapter are as follows: –...
21128026 R001 DSAM Help User Guide.book Page 248 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Spectrum Measurement Modes Spectrum Measurement Modes High levels of ingress noise enter a CATV system through damaged or otherwise improperly shielded coaxial cable or related components. Ingress can reduce signal quality and prevent an effective installation.
21128026 R001 DSAM Help User Guide.book Page 249 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Upstream Spectrum Initial measurements typically occur at the ground block with the home disconnected from the network. Prior to an installation, use upstream spectrum measurements to verify that the system does not exceed the maximum acceptable level for ingress noise.
21128026 R001 DSAM Help User Guide.book Page 250 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Upstream Spectrum 5 Press the Limits softkey. 6 Using the arrow keys, select Off or a limit set (Tap, Ground Block, TV, Cable Modem, Proof, or custom limits 1-3).
21128026 R001 DSAM Help User Guide.book Page 251 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Upstream Spectrum Measurement Information Area Noise Peak Frequency Range Graph Information Bar Limit Check Figure 228 Measure – Upstream Spectrum Measurement The Measurement Information Area displays the overall pass/fail indi- Information Area...
21128026 R001 DSAM Help User Guide.book Page 252 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Downstream Spectrum 2 Using the arrow keys, select one of the following options: – Auto Reference (Shift, 9) – Enables you to automatically view measurement results in the best reference setting on the graph.
21128026 R001 DSAM Help User Guide.book Page 253 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Downstream Spectrum frequency spans. The Downstream Spectrum measurement mode allows for a very comprehensive troubleshooting utility that reveals ingress spikes on the forward path as brief as 1 ms. Running a To run a downstream spectrum Downstream...
21128026 R001 DSAM Help User Guide.book Page 254 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Downstream Spectrum 7 Press ENTER. Figure 231 Spectrum – Center Frequency 8 Using the arrow keys and alphanumeric keypad, enter a telem- etry frequency (between 4 MHz and 1000 MHz).
21128026 R001 DSAM Help User Guide.book Page 255 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Downstream Spectrum NOTE Each arrow key press changes the reference setting by a single dB. The reference level range is -100 to +60 dBmV. Understanding The Downstream Spectrum screen displays a 50 MHz or 10 MHz (zoom) frequency span.
21128026 R001 DSAM Help User Guide.book Page 256 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Downstream Spectrum Marker Information The Downstream Spectrum measurement mode also contains an area Area referred to as the Marker Information Area (area below the graph). This area consists of the marker name, carrier frequency (in MHz), and measured signal level for the frequencies which the markers are on.
21128026 R001 DSAM Help User Guide.book Page 257 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Downstream Spectrum Setting the Dwell Increasing the Dwell Time increases the chance of capturing more transient noise. Time To set the Dwell Time 1 Press the Settings softkey.
21128026 R001 DSAM Help User Guide.book Page 258 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Field View – 5 dB/div or 10 dB/div – Enables you to adjust the vertical resolution of the graph for the best viewing. –...
21128026 R001 DSAM Help User Guide.book Page 259 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Field View The DSAM displays the spectrum of any node that is currently moni- tored by the PathTrak or Phasor System and is selected for broadcast. The PathTrak or Phasor user can select the frequency range in this mode with the start and stop frequencies indicated on the horizontal bar at the bottom of the screen.
21128026 R001 DSAM Help User Guide.book Page 260 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Field View Figure 237 Measure Mode – Field View 5 Press the Settings softkey. 6 Using the arrow keys, select Telemetry Frequency. 7 Press ENTER.
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21128026 R001 DSAM Help User Guide.book Page 261 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Field View NOTE The RSG is not operational if Telemetry Frequency is set below 200 MHz. 10 Press ENTER. 11 Press the OK softkey.
21128026 R001 DSAM Help User Guide.book Page 264 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Field View 25 To set the Return Signal Generator Level to between 8 and 58 dBmV (68 to 118 dBµV) (-40.8 to 9.2 dBm), use the arrow keys to highlight the Enter Desired Level field and press ENTER.
21128026 R001 DSAM Help User Guide.book Page 265 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Field View Field View measurement mode provides increased troubleshooting accuracy by allowing you to compare spectrum measurements at the test point with the current conditions at the headend.
21128026 R001 DSAM Help User Guide.book Page 266 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Ingress Resistance NOTE JDSU recommends using the Peak Hold option to verify the Return Signal Generator Field View gain/loss. –...
21128026 R001 DSAM Help User Guide.book Page 268 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Ingress Resistance NOTE Each press changes the reference setting by a single dB. The refer- ence level range is -100 to +60 dBmV. Understanding The Ingress Resistance measurement mode allows for a 20 MHz frequency span.
21128026 R001 DSAM Help User Guide.book Page 269 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Ingress Resistance measured signal level for the frequencies which the markers are on. The black square around the letter A or B below the graph displays the active marker.
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21128026 R001 DSAM Help User Guide.book Page 270 Thursday, February 5, 2009 2:02 PM Chapter 10 Measure Mode – Spectrum Tab Ingress Resistance DSAM Help User Guide Rev. 001...
21128026 R001 DSAM Help User Guide.book Page 271 Thursday, February 5, 2009 2:02 PM Measure Mode – Sweep Tab Chapter 11 This chapter describes the Measure Mode – Sweep tab functionality. Topics discussed in this chapter are as follows: – “Sweep Measurement Modes”...
21128026 R001 DSAM Help User Guide.book Page 272 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Sweep Measurement Modes Sweep Measurement Modes 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.
21128026 R001 DSAM Help User Guide.book Page 273 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Forward Sweep Sweepless Sweep Sweepless Sweep (additional purchase required) enables you to retrieve sweep information without a transmitter. Carrier levels derived from the channel plan are measured and recorded to compare with the levels of the same carriers at a different point in the network.
21128026 R001 DSAM Help User Guide.book Page 274 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Forward Sweep The ideal sweep results at the output of each amp is a flat response graph centered at 0 dB delta reference, assuming the goal is zero gain across the entire distribution network.
21128026 R001 DSAM Help User Guide.book Page 275 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Forward Sweep Figure 249 Measure Mode – Forward Sweep 5 Press the Settings softkey. 6 Using the arrow keys, select one of the following options: –...
21128026 R001 DSAM Help User Guide.book Page 276 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Forward Sweep Measurement Information Area Graph Graph Information Bar Marker Status Area Figure 250 Measure Mode – Forward Sweep Measurement The reference filename, test point compensation icon/value, and the Information Area...
21128026 R001 DSAM Help User Guide.book Page 277 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Forward Sweep markers are on. The black square around the letter A or B indicates the active marker. The delta label (in dB) and the delta frequency (in MHz) between the markers is also displayed.
21128026 R001 DSAM Help User Guide.book Page 278 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Forward Sweep Saving and When you save a reference, it is automatically appended to the measurement. Loading Reference and To save and load reference and measurement files Measurement 1 Press the File softkey.
21128026 R001 DSAM Help User Guide.book Page 279 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Reverse Sweep NOTE When you save an additional file, the file name field in the “save a file” display contains the last label saved, which you can append, alter, clear, or simply save unchanged.
21128026 R001 DSAM Help User Guide.book Page 280 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Reverse Sweep The Reverse Sweep plan, like the forward sweep plan, is configured in the SDA headend/hub units and communicated to the DSAM field unit over forward telemetry.
21128026 R001 DSAM Help User Guide.book Page 282 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Reverse Sweep Measurement Information Area Graph Graph Information Bar Marker Status Area Figure 253 Measure Mode – Reverse Sweep Measurement The reference filename, test point compensation icon/value, and the Information Area...
21128026 R001 DSAM Help User Guide.book Page 283 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Reverse Sweep (in MHz), and measured signal level for the frequencies which the markers are on. The black square around the letter A or B indicates the active marker.
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21128026 R001 DSAM Help User Guide.book Page 284 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Reverse Sweep 2 Using the arrow keys, select one of the following options: – Save Reference – Saves the current measurement as a refer- ence file for use as a reference against live measurements.
21128026 R001 DSAM Help User Guide.book Page 285 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Sweepless Sweep – Open File – Enables you to select and open a saved reverse sweep measurement file. – Clear Reference – Removes the reference file from measure- ment and returns the subtitle bar to “REF: NONE.”...
21128026 R001 DSAM Help User Guide.book Page 287 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Sweepless Sweep 8 Press the OK softkey. Understanding The Sweepless Sweep measurement mode provides signal levels of all frequency points which are then displayed on a graph. Sweepless Sweep Results Measurement...
21128026 R001 DSAM Help User Guide.book Page 288 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Sweepless Sweep Marker Status Area The Sweepless Sweep measurement mode also contains an area referred to as the Marker Status area (below the Graph Information bar).
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21128026 R001 DSAM Help User Guide.book Page 289 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Sweepless Sweep 2 Using the arrow keys, select one of the following options: – Save Reference – Saves the current measurement as a refer- ence file for use as a reference against live measurements.
21128026 R001 DSAM Help User Guide.book Page 290 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Reverse Alignment – Open File – Enables you to select and open a saved sweep- less sweep measurement file. –...
21128026 R001 DSAM Help User Guide.book Page 291 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Reverse Alignment Figure 259 Measure Mode – Reverse Alignment 5 Press the Settings softkey. 6 Using the arrow keys, select one of the following options: –...
21128026 R001 DSAM Help User Guide.book Page 292 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Reverse Alignment Measurement Information Area Graph Graph Information Bar Marker Status Area Figure 260 Measure Mode – Reverse Alignment Measurement This area includes the test point compensation icon/value, the tilt Information Area...
21128026 R001 DSAM Help User Guide.book Page 293 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Reverse Alignment NOTE For best reference setting results you may have to select the Auto Reference button more than once (up to three times). –...
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21128026 R001 DSAM Help User Guide.book Page 294 Thursday, February 5, 2009 2:02 PM Chapter 11 Measure Mode – Sweep Tab Reverse Alignment DSAM Help User Guide Rev. 001...
21128026 R001 DSAM Help User Guide.book Page 295 Thursday, February 5, 2009 2:02 PM Specifications Appendix A This appendix describes the DSAM Product Family Series specifica- tions. Topics discussed in this appendix are as follows: – “DSAM Product Family Series-1500, -2500, -2600, -3500, -3600, - 6000 Specifications”...
21128026 R001 DSAM Help User Guide.book Page 296 Thursday, February 5, 2009 2:02 PM Appendix A Specifications DSAM Product Family Series-1500, -2500, -2600, -3500, -3600, -6000 Specifications DSAM Product Family Series-1500, -2500, -2600, -3500, -3600, -6000 Specifications Table 47 Product Specifications Item Description Frequency...
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21128026 R001 DSAM Help User Guide.book Page 297 Thursday, February 5, 2009 2:02 PM Appendix A Specifications DSAM Product Family Series-1500, -2500, -2600, -3500, -3600, -6000 Specifications Table 47 Product Specifications (Continued) Item Description Upstream Spectrum (Ingress Scan) Spans Models ending in A, 4 to 65 MHz Models ending in B, 4 to 45 MHz Sweep Rate Less than 2 seconds...
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21128026 R001 DSAM Help User Guide.book Page 298 Thursday, February 5, 2009 2:02 PM Appendix A Specifications DSAM Product Family Series-1500, -2500, -2600, -3500, -3600, -6000 Specifications Table 47 Product Specifications (Continued) Item Description MER (Modulation Error Range 64 QAM: 21 to 35 dB Ratio) Accuracy: ±...
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21128026 R001 DSAM Help User Guide.book Page 299 Thursday, February 5, 2009 2:02 PM Appendix A Specifications DSAM Product Family Series-1500, -2500, -2600, -3500, -3600, -6000 Specifications Table 47 Product Specifications (Continued) Item Description Standards Compliance Shock and vibration IEC 60068 Drop EC 61010 Handle Stress...
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Appendix A Specifications DSAM Product Family Series-1500, -2500, -2600, -3500, -3600, -6000 Specifications Table 47 Product Specifications (Continued) Item Description DSAM-3500, - 3600, and -6000 Additional Specifications Downstream Spectrum (forward scan) Frequency range 4 to 1000 MHz Sweep rate Less than 2.5 seconds (display) Display scaling and range 5 and 10 dB/division;...
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21128026 R001 DSAM Help User Guide.book Page 301 Thursday, February 5, 2009 2:02 PM Appendix A Specifications DSAM Product Family Series-1500, -2500, -2600, -3500, -3600, -6000 Specifications Table 47 Product Specifications (Continued) Item Description Sweep Modes Frequency Range 5 to 1000 MHz Display Span User definable Display Scale/Range...
21128026 R001 DSAM Help User Guide.book Page 302 Thursday, February 5, 2009 2:02 PM Appendix A Specifications Power Component Specifications Power Component Specifications Table 48 Power Component Specifications Item Description Environmental Operational temperature range -20° to +50° C (-4° to +122° F) Storage temperature range -20°...
21128026 R001 DSAM Help User Guide.book Page 303 Thursday, February 5, 2009 2:02 PM 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 304 DSAM Help User Guide Rev.
2 When powering the meter, maintain the secure connection of each power component. 3 Use only JDS Uniphase Corporation-specified components to power and conduct measurements with this meter. 4 Keep the meter cavity that holds the battery and its battery contacts clean.
21128026 R001 DSAM Help User Guide.book Page 305 Thursday, February 5, 2009 2:02 PM 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 Product Family Series battery: These safety precautions apply to the use of the Li-Ion battery supporting the DSAM Product Family Series meter.
Safety 1 When powering the meter, maintain the secure connection of each power component. 2 Use only JDS Uniphase Corporation-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.
21128026 R001 DSAM Help User Guide.book Page 307 Thursday, February 5, 2009 2:02 PM Customer Services Appendix C This chapter describes the customer services available through JDS Uniphase Corporation. Topics discussed in this chapter include the following: – “About Our Services” on page 308 –...
Together these organizations supply the services necessary success- fully utilize purchased equipment. Customer Care Customer Care is accompanied with the sale of every JDS Uniphase Corporation product. Customer Care services include: – Needs Analysis on Products and Services – Comprehensive Product and Service Literature –...
Instrument Repair Our service centers provide repair, calibration and upgrade services for under warranty equipment. JDS Uniphase Corporation under- stands the impact of equipment down time on operations and is staffed to ensure a quick turnaround. Available services include the following:...
JDS Uniphase Corporation’s obligation and customer’s sole remedy under this Hardware Warranty is limited to the repair or replacement, at JDS Uniphase Corporation’s option, of the defective product. JDS Uniphase Corporation shall have no obligation to remedy any such defect if it can be shown: (a) that the Product was altered, repaired, or reworked by any party other than JDS Uniphase Corporation without JDS Uniphase Corporation’s written consent;...
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Uniphase Corporation for repair or replacement shall be borne by customer until delivery to JDS Uniphase Corporation. Upon delivery of such product, JDS Uniphase Corporation shall assume the risk of loss or damage until that time that the product being repaired or replaced is returned and delivered to customer.
JDS Uniphase Corporation shall not, however, be responsible for any delays that are not due to JDS Uniphase Corporation’s fault or negligence or that could not have reasonably been foreseen or provided against.
21128026 R001 DSAM Help User Guide.book Page 313 Thursday, February 5, 2009 2:02 PM Appendix C Customer Services Global Services and Solutions System JDS Uniphase Corporation offers a range of support services for our centralized test systems, designed around the needs of the Deployment and customer’s network. Field engineering and deployment services...
When scheduling an on-site course, please note that JDS Uniphase Corporation requires a minimum commitment of two consecutive days of training. Courses that are only one day in duration may either be paired with another course for a minimum total of two training days, or presented on two consecutive days to different groups of participants.
JDS Uniphase Corporation offers a variety of product support plans. FleetCare Designed for customers with ten or more JDS Uniphase Corporation products, FleetCare extends each product’s initial factory warranty to include repair parts, labor and one-way shipping. FleetCare allows...
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After consulting with you, the JDS Uniphase Corporation team can determine which of JDS Uniphase Corporation’s test and analysis equipment and automation platforms can best streamline your testing processes, data analysis, and test result storage methods.
21128026 R001 DSAM Help User Guide.book Page 317 Thursday, February 5, 2009 2:02 PM Glossary BCM — Broadcom dB — Debcibel BER — Bit Error Rate dBm — Decibels referenced to one milliwatt dBmV — Decibels referenced to one millivolt CATV —...
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21128026 R001 DSAM Help User Guide.book Page 318 Thursday, February 5, 2009 2:02 PM Glossary tered trademark of CableLabs in the current and future high speed appli- United States and/or other coun- cations run at peak accuracy, effi- tries.) ciency and throughput regardless of seasonal temperature changes on DQI —...
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21128026 R001 DSAM Help User Guide.book Page 319 Thursday, February 5, 2009 2:02 PM Glossary QAM — Quadrature Amplitude TCP/IP — Transmission Control Modulation Protocol/Internet Protocol QPSK — Quadrature Phase Shift TFTP — Trivial File Transfer Keying Protocol TOD — Time of Day TTL —...
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21128026 R001 DSAM Help User Guide.book Page 320 Thursday, February 5, 2009 2:02 PM Glossary DSAM Help User Guide Rev. 001...
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21128026 R001 DSAM Help User Guide.book Page 321 Thursday, February 5, 2009 2:02 PM...
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21128026 R001 DSAM Help User Guide.book Page 322 Thursday, February 5, 2009 2:02 PM Test and Measurement Regional Sales North America Latin America Asia Pacific EMEA www.jdsu.com Toll Free: 1 800 638 2049 Tel: +55 11 5503 3800 Tel: +852 2892 0990 Tel: +49 7121 86 2222 Tel: +1 240 404 2999 Fax:+55 11 5505 1598...
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