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PairGain PG-PLUS PLL-734 Manual

Dual 2 pots central office line unit
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D
2 POTS C
UAL
Model
List Number
PLL-734
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NGINEERING
PG-P
ENTRAL
Part Number
1
150-1634-01
PLL-734
PG-PLUS
PairGain
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SYNC
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BYPASS
FAULT
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POTS2
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ECHNOLOGIES
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CLEI Code
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Summary of Contents for PairGain PG-PLUS PLL-734

  • Page 1 PG-P 2 POTS C ENTRAL FFICE Model List Number Part Number CLEI Code PLL-734 150-1634-01 S9L1APBAAA PLL-734 PG-PLUS PairGain LIST SYNC MARGIN BYPASS FAULT POTS1 POTS2 ECHNOLOGIES NGINEERING ERVICES ECHNICAL RACTICE ™950-784-112-01K¨ 950-734-100-01 ECTION...
  • Page 2 PairGain is a registered trademark, and PG-Plus is a trademark of PairGain Technologies, Inc. Information contained in this document is company private to PairGain Technologies, Inc., and shall not be modified, used, copi ed, reproduced or disclosed in whole or in part without the written consent of PairGain.
  • Page 3 Check the packing list to ensure complete and accurate shipment of each listed item. If the shipment is short or irregular, contact PairGain as described in the Warranty. If you must store the equipment for a prolonged period, store the equipment in its original container.
  • Page 4 Abbreviations 950-734-100-01, Revision 01 December 18, 1998 PLL-734 List 1...

  • Page 5: Table Of Contents

    950-734-100-01, Revision 01 Table of Contents ABLE OF ONTENTS Product Overview_____________________________________________________________________ 1 Description and Features........................1 Specifications .............................2 Power Consumption and Heat Dissipation ..................3 Maximum Heat Dissipation....................3 Thermal Loading Limitations ....................3 Maximum Power Consumption...................4 Maximum Current Drain .....................4 Monitoring, History and Diagnostics....................4 Performance Parameters ......................4 Alarms ..........................5 Alarm Types ........................5...
  • Page 6 Table of Contents 950-734-100-01, Revision 01 Configuration Submenu........................23 System Options Screen ..................... 24 System Alarm Types Screen ..................... 25 HDSL Options Screen....................... 26 HDSL Alarm Thresholds Screen ..................27 HDSL Alarm Types Screen ....................28 Set Factory Defaults Screen ....................29 Test Submenu ..........................

  • Page 7: Product Overview

    950-734-100-01, Revision 01 Product Overview RODUCT VERVIEW ® This practice describes the PairGain PG-Plus™ PLL-734 List 1, a COLU that provides interfaces to two 2 POTS RTs (PRL-784) for four POTS subscribers. ESCRIPTION AND EATURES A PG-Plus application (see Figure 1) provides bidirectional transport of multiple DS0, over a single, unconditioned wire pair using HDSL technology.

  • Page 8: Specifications

    Product Overview 950-734-100-01, Revision 01 PECIFICATIONS PG-Plus offers extended reach beyond Traditional DAML using proven HDSL technology. The application specifications are detailed in the following sections. System Resistive Signature Tip to Ground 162 K; Ring to Ground 453 K Power Supply Input Voltage -42 Vdc to -56.5 Vdc HDSL Line...

  • Page 9: Power Consumption And Heat Dissipation

    Conditions other than worst case would permit increasing the number of COTS per bay without jeopardizing the CO thermal integrity. Due to the chimney effect, PairGain recommends you install one heat-dissipating baffle between every COTS. This action would prevent exceeding the rated operating temperature of the COLU units.

  • Page 10: Maximum Power Consumption

    Product Overview 950-734-100-01, Revision 01 Maximum Power Consumption The maximum power consumption is the total power that the COLU consumes or draws from its -48 Vdc COTS power source. This parameter is needed when the COLU is located remotely from its serving CO. It determines the battery capacity required to maintain an 8-hour standby battery reserve for emergency situations.

  • Page 11: Alarms

    950-734-100-01, Revision 01 Product Overview Alarms The COLUs generate alarms for problem conditions on the HDSL transmission facility and at the application interface. You can view the alarm status from the “COLU Menu Bar Selections.” • • • • MISMATCHn •...

  • Page 12: Leds Descriptions

    Product Overview 950-734-100-01, Revision 01 ESCRIPTIONS PLL-734 PG-PLUS PairGain LIST SYNC Status LEDs MARGIN BYPASS FAULT POTS1 POTS2 Figure 2. LEDs on Front Panel Table 2 describes the LEDs, shown on the front panel, in which n equals the POTS line. If you have installed two RTs then both LEDs columns light in the manner described.

  • Page 13: Installation And Test

    950-734-100-01, Revision 01 Installation and Test For further details on the LEDs activities, refer to “Initialization Sequence” on page 8 and the “COLU and RT Fault Indicators” on page All alarms in the PG-Plus application are suppressed when initially installed and powered up. Any alarms that are generated during this process are Suppressed.

  • Page 14: Installing The Colu

    Installation and Test 950-734-100-01, Revision 01 COLU NSTALLING THE You can install the COLU in any slot except the three positions labeled COMMON, MUX 1, and MUX 2. Refer to the cabling tables provided in the COTS documentation for slot and Telco cabling assignment. Open the retaining latch on the front of the COLU.

  • Page 15: Subscriber Drop Tests

    950-734-100-01, Revision 01 Administration • As the COLU continues with start-up mode, the SYNC LED Flashes indicating the HDSL line is attempting to acquire synchronization. When complete, the SYNC LED is On. It takes approximately 2 to 3 minutes from the system power-up until synchronization is achieved.

  • Page 16: Logging On

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 ONVENTIONS SED IN OCUMENT Some screenshots in this document come from a prototype setup and may appear slightly different from what you see on your Craft interface screen. The basic information and contents should be similar. This document uses the following conventions for menus and shortcuts: Example Describes...

  • Page 17: Pau Or Pmu Main Screen

    950-734-100-01, Revision 01 Conventions Used in This DocumentAdministration PMU M CREEN The first screen displays with the COTS Main menu bar. The screens are identified by the COTS slot number at the top of each screen. The provisionable System ID string displays at the bottom center, the date displays at the lower left of the screen, and the time in military format displays at the lower right of the screen.
  • Page 18 Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 %# Scroll to the Select option and press to access the submenu. %# Scroll to the slot number noted above and press December 18, 1998 PLL-734 List 1...

  • Page 19: Colu Main Menu

    ↓ Moves down the submenu selection. Moves the cursor down the screen items. &75/ 5 Returns to the PAU or PMU Main screen. The PairGain banner appears briefly and then the Main menu bar displays. 63$&(%$5 No effect. At COLU screen cycles through choices.

  • Page 20: Colu Menu Bar Selections

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 COLU Menu Bar Selections Table 3 describes the menus and submenus selectable from the COLU menu bar. Table 3. Menu Bar Selections Select underlined To View or Change: alpha character Main Circuit configuration Performance summary information Alarm summary information Performance...

  • Page 21: Colu Summary Screen

    950-734-100-01, Revision 01 Conventions Used in This DocumentAdministration COLU Summary Screen This screen details the performance condition of the COLU and RT. Table 4 defines the conditions that appear in the Channel and HDSL Status fields. (17(5 Select Main from the menu bar and press to view the COLU Summary screen.

  • Page 22: Performance Submenu

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 ERFORMANCE UBMENU The Performance submenu provides access to the COLU performance screens. In the following screens you may see the A RT, B RT or both A RT and B RT screens as an example. December 18, 1998 PLL-734 List 1...

  • Page 23: Hdsl Summary Screen

    950-734-100-01, Revision 01 Conventions Used in This DocumentAdministration HDSL Summary Screen The following screen depicts an HDSL performance summary in terms of the margin and ES count. Use the available options to reset the minimum and maximum margin values for the selected RT and COLU. (17(5 Select Performance and press to display the submenu.

  • Page 24: Hdsl 24-Hour History Screen

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 HDSL 24-Hour History Screen The following screen shows twenty-four hours backwards from the current time of HDSL performance history for the COLU and the selected RT that includes ES counts, UAS counts, and the validity of the values. (17(5 Select Performance from the menu bar and press to display the submenu.

  • Page 25: Hdsl 7-Day History Screen

    950-734-100-01, Revision 01 Conventions Used in This DocumentAdministration HDSL 7-day History Screen This screen shows seven days of performance history plus the current day's accumulated performance information. The information displayed includes ES counts, UAS counts, and the validity of the values. (17(5 Select Performance from the menu bar and press to display the submenu.

  • Page 26: Alarms Submenu

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 LARMS UBMENU The COLU detects and reports HDSL, POTS, and System related alarmed events to the PAU-710 (if present). %# Select Alarms at the menu bar and press to display the submenu. December 18, 1998 PLL-734 List 1...

  • Page 27: System History

    950-734-100-01, Revision 01 Conventions Used in This DocumentAdministration System History This screen shows the system alarm history. If no alarms are present, the word OK displays. At this screen you see the results of the alarms set at the Configuration “System Alarm Types Screen”...

  • Page 28: Hdsl History Screen

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 HDSL History Screen The HDSL history maintained on the COLU contains a count of the number of times each alarm occurred, the time and date of the first and last occurrence, the provisioned notification type, and the current status. If no alarms are present, the word OK displays.

  • Page 29: Configuration Submenu

    950-734-100-01, Revision 01 Conventions Used in This DocumentAdministration Table 5. HDSL Alarms Alarm Alarm Description Default COLU HDSL LOSW COLU and A and B RTs cannot synchronize and are out of service COLU HDSL 15 MIN-ES Alarm threshold reached or exceeded COLU HDSL 24 HR-ES Alarm threshold reached or exceeded COLU HDSL 15 MIN-UAS...

  • Page 30: System Options Screen

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 System Options Screen System Options screen allows the provisioning of options such as ringing frequency, LCFO blocking, SDT, and a System ID. Table 6 shows the configured system option and the factory default value. (17(5 Select CONFIG from the menu and press to display the submenu.

  • Page 31: System Alarm Types Screen

    950-734-100-01, Revision 01 Conventions Used in This DocumentAdministration System Alarm Types Screen Allows the provisioning of the alarm types of all system alarms including incompatible COLU and RT, No RT Software, and input power missing. Table 7 shows the System Alarm fields and the default settings. You can view the results of these settings from the “System History”...

  • Page 32: Hdsl Options Screen

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 HDSL Options Screen Allows the provisioning of HDSL options such as Periodic Power Up and Metallic Fallback. Table 8 shows the configured system option for both A and B RTs. (17(5 Select CONFIG from the menu and press to display the submenu.

  • Page 33: Hdsl Alarm Thresholds Screen

    950-734-100-01, Revision 01 Conventions Used in This DocumentAdministration HDSL Alarm Thresholds Screen Provides a means to provision the threshold crossing values for the15 minute and 24-hour ES and UAS counts and low margin dB for both A and B RTs. Table 9 lists the fields of the HDSL Alarm Thresholds and the default factory values.

  • Page 34: Hdsl Alarm Types Screen

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 HDSL Alarm Types Screen Allows the provisioning of the alarm types for all HDSL Alarms for both A and B RTs. Table 10 lists the Alarm Reports and Table 11 shows the HDSL Alarms, the possible alarm Types, and the default settings. View the results of these settings at the “HDSL History Screen”...

  • Page 35: Set Factory Defaults Screen

    950-734-100-01, Revision 01 Conventions Used in This DocumentAdministration Table 11. HDSL Alarms (Cont.) Types Description Defaults Open circuit detected on the HDSL span. Short circuit detected on the HDSL span. Ground fault condition detected on the HDSL span. Set Factory Defaults Screen Sets all configuration data back to factory default values.

  • Page 36: Test Submenu

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 UBMENU PG-Plus supports testing of a subscriber drop by selecting it from the TEST menu. The relays in the COLU and RT provide a path for performing a SDT. (17(5 Select TEST from the menu and press to display the submenu.

  • Page 37: Information Submenu

    PAU/PMU Main menu. NFORMATION UBMENU Provides technical information about the COLU and contact information for PairGain Technologies, Inc. (17(5 Select INFO from the menu and press to display the submenu.

  • Page 38: Colu Inventory Screen

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 COLU Inventory Screen (6& Displays all the critical information about the COLU and both RTs, if both are installed. Press to move up a &75/ 5 menu level, or to return to the PAU/PMU Main menu. RTs Inventory Screen (6&...

  • Page 39: Colu Event Log

    950-734-100-01, Revision 01 Conventions Used in This DocumentAdministration COLU Event Log This screen provides information on events that occurred but are not Alarmed. The two Events logged are as follows: • MEMVER A provisioning database conversion occurred when a software download occurred. MEMVER is informational only.

  • Page 40: Rt Event Log

    Conventions Used in This DocumentAdministration 950-734-100-01, Revision 01 RT Event Log This screen provides information on events that occurred but are not Alarmed events. The two Events that can be logged are: • MEMVER A provisioning database conversion occurred when a software download occurred. MEMVER is informational only.

  • Page 41: Help Screen

    950-734-100-01, Revision 01 Conventions Used in This DocumentFault Isolation Help Screen Provides information on using the PAU-710 screens and menus. The Help screen also lists the PairGain Customer (6& &75/ 5 Support and Bulletin Board telephone numbers. Press to move up a menu level, or to return to the PAU/PMU Main menu.
  • Page 42 Conventions Used in This DocumentFault Isolation 950-734-100-01, Revision 01 PWR LED Flashing • HDSL line open • an overload exists • HDSL line Ground Fault Tip or Ring Check line continuity and resistance. COLU power supply or the RT may be faulty. Fault LED On •...

  • Page 43: Subscriber Reported Faults

    950-734-100-01, Revision 01 Conventions Used in This DocumentFault Isolation UBSCRIBER EPORTED AULTS At the CO, you can use the Craft interface to initiate a SDT to determine the cause of any of the following problems. The SDT test performs Hazardous Potential, Foreign Voltage, Resistive Faults, Receiver Off-Hook, and Ringers Tests.
  • Page 44 Conventions Used in This DocumentFault Isolation 950-734-100-01, Revision 01 Phone does not stop ringing • faulty subscriber station instrument • loop length too long • faulty RT If phone stops ringing when using a butt-in set at the subscriber location, the subscriber's station internal resistance is too high.

  • Page 45: Product Support

    Do not try to repair the unit. If it fails, replace it with another unit and return the faulty unit to PairGain for repair. Any modifications of the unit by anyone other than an authorized PairGain representative voids the warranty.
  • Page 46 Corporate Office 14402 Franklin Avenue Tustin, CA 92780 Tel: (714) 832-9922 Fax: (714) 832-9924 For Technical Assistance: (800) 638-0031...

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