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ADC HiGain HXU-358 Manual

V1.04 multiplexer unit
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HiGain
HiGain
T
P
ECHNICAL
RACTICE
HXU-358 V1.04 M
U
ULTIPLEXER
NIT
P
C
: HXU-358 V1.04
RODUCT
ATALOG
P
N
: 1154681
ART
UMBER
CLEI: VAPHCDDD

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  • Page 1 HiGain HiGain ECHNICAL RACTICE HXU-358 V1.04 M ULTIPLEXER : HXU-358 V1.04 RODUCT ATALOG : 1154681 UMBER CLEI: VAPHCDDD...
  • Page 2 In no event shall ADC be liable for any damages resulting from loss of data, loss of use, or loss of profits, and ADC further disclaims any and all liability for indirect, incidental, special, consequential or other similar damages.
  • Page 3 LTPH-TP-1044-01, Issue 1 Using This Technical Practice SING ECHNICAL RACTICE Identified by icons, three types of messages appear in the text: Notes contain information about special circumstances. Caution symbols indicate the possibility of personal injury or equipment damage. The Electrostatic Discharge (ESD) symbol indicates that a device or assembly is susceptible to damage from electrostatic discharge.
  • Page 4 Unpack and Inspect Your Shipment LTPH-TP-1044-01, Issue 1 April 6, 2001 HXU-358 V1.04...

  • Page 5: Table Of Contents

    LTPH-TP-1044-01, Issue 1 Table of Contents ABLE OF ONTENTS Overview _______________________________________________ 1 Features ..................1 Compatibility ................2 Application................3 Front Panel ................4 HXU-358 Installation for Wideband 3190 or ACE Systems _____ 6 Provisioning ____________________________________________ 9 Accessing the Management Interface ........9 Logging On To the System through the HMU ..
  • Page 6 Table of Contents LTPH-TP-1044-01, Issue 1 History Menu................36 Performance Monitoring History ......37 Alarms..............39 Event Log..............41 Testing_________________________________________________42 Executing a Loopback ............42 Test Access Interface..............45 Accessing the Test Head ..........45 Protection Switching ..............50 Appendix A - Specifications _______________________________51 Appendix B - HXU-358 Installation for ACE Chassis __________53 Appendix C - Technical Reference__________________________56 Time-slot Assignment Switch (TSA) ........57 M13 Multiplexer..............57...
  • Page 7 LTPH-TP-1044-01, Issue 1 List of Figures IST OF IGURES 1. System Overview.................. 3 2. HXU-358 V1.04 Front Panel..............4 3. HXU-358 Installed in a Wideband 3190 ..........5 4. Installing an HXU-358 Multiplexer Card..........7 5. Management Interface ................ 10 6.
  • Page 8 List of Figures LTPH-TP-1044-01, Issue 1 27. History Menu: Event Log ..............41 28. Test Menu: T1/E1 Loopback ..............42 29. System Loopbacks in Wideband 3190 Applications ......43 30. Internal Test Head................46 31. Breaking Type Internal Test ...............47 32. Monitor Type External Test..............49 33.
  • Page 9 LTPH-TP-1044-01, Issue 1 List of Tables IST OF ABLES 1. HXU-358 V1.04 Front Panel Description ..........4 2. HXU-358 Main Menu Options............15 3. HXU-358 DS3 Service Modes ............19 4. HXU-358 T1/E1 Service Modes ............21 5. T1/E1 and DS3 Error Definitions............32 6.
  • Page 10 List of Tables LTPH-TP-1044-01, Issue 1 April 6, 2001 HXU-358 V1.04...

  • Page 11: Overview

    LTPH-TP-1044-01, Issue 1 Overview VERVIEW ® The HiGain Multiplexer Unit, HXU-358 V1.04, is the multiplexing ® component of the Soneplex Wideband 3190 system. It can also be installed in the HiGain Access Concentrator Express (ACE) chassis, a single-rack enclosure (see “Appendix B - HXU-358 Installation for ACE Chassis”...

  • Page 12: Compatibility

    Overview LTPH-TP-1044-01, Issue 1 • Digital Access Cross-connect Switching (DACS) • Front-panel test jacks for external test access as well as a backplane test interface • Front-panel RS-232 craft port for direct connection to a maintenance terminal • Support for an external fail-safe alarm OMPATIBILITY The HXU-358 is compatible with Wideband 3190 (HMS-357 and HMS-358) managed shelves as well as HiGain ACE chassis, single-rack enclosures.

  • Page 13: Application

    LTPH-TP-1044-01, Issue 1 Overview PPLICATION The HXU-358 allows you to combine up to 28 T1 lines or up to 21 E1 line into one high speed DS3 interface, thus providing a substantial cost savings over transporting 28 individual HDSL/DS-1 lines through a carrier’s network.

  • Page 14: Front Panel

    Overview LTPH-TP-1044-01, Issue 1 RONT ANEL Figure 2 shows the front panel of the HXU-358 multiplexer. HXU-358 TEST RS232 Status LEDs Craft port Test connector Figure 2. HXU-358 V1.04 Front Panel Table 1. HXU-358 V1.04 Front Panel Description Front-Panel Feature Function Status LEDs Critical alarm (red)
  • Page 15 LTPH-TP-1044-01, Issue 1 Overview Figure 3 displays the appearance of HXU-358s after they are installed in a Wideband 3190 or ACE. (The designation of active and standby is not determined by physical location.) For installation information see “HXU-358 Installation for Wideband 3190 or ACE Systems” on page Active multiplexer Standby multiplexer HXU-358...

  • Page 16: Hxu-358 Installation For Wideband 3190 Or Ace Systems

    HXU-358 Installation for Wideband 3190 or ACE Systems LTPH-TP-1044-01, Issue 1 HXU-358 I NSTALLATION FOR 3190 ACE S IDEBAND YSTEMS The following sections document HXU-358 installation procedures for Wideband 3190 (HMS-357 and HMS-358) and ACE (ACE-Com, List 1) systems. Before installing the HXU-358, visually check its packaging to ensure that it has sustained no shipping damage.
  • Page 17 LTPH-TP-1044-01, Issue 1 HXU-358 Installation for Wideband 3190 or ACE Systems ESD touchplate ESD strap input Card eject tab Wideband 3190 HXU-358 Figure 4. Installing an HXU-358 Multiplexer Card If you are installing an HXU-358 in a Wideband 3190 that has a legacy multiplexer (HXU-357), contact Customer Service.
  • Page 18 HXU-358 Installation for Wideband 3190 or ACE Systems LTPH-TP-1044-01, Issue 1 When the card snaps into place, power is supplied to the unit and the LEDs flash momentarily. The PWR LED and ACTIVE LED on the active multiplexer remain illuminated. The LEDs on the inactive (standby) multiplexer should be off, except for the PWR LED.

  • Page 19: Provisioning

    LTPH-TP-1044-01, Issue 1 Provisioning ROVISIONING Using Terminal Access Option (TAO) management software, the HMU-319 configures and manages the HXU-358. Refer to the Wideband 3190 installation guide and the technical practice for the HMU-319 for complete information about connecting a maintenance terminal.

  • Page 20: Logging On To The System Through The Hmu

    Provisioning LTPH-TP-1044-01, Issue 1 Logging On To the System through the HMU Figure 5 shows an overview of the Management Interface. Briefly review this figure before logging on to the system. Logon Screen Logon Screen Type TAO Login to TL1 User ID: superuser User password:...

  • Page 21: Selecting A Shelf

    LTPH-TP-1044-01, Issue 1 Provisioning Once the maintenance terminal is connected to the HMU and a banner (headline) appears on the screen. Depending on your HMU and system configuration, the logon procedure starts with either entering TAO at the prompt or requires you to logon to TL1.

  • Page 22: Accessing Hxu-358

    Provisioning LTPH-TP-1044-01, Issue 1 Type to select Mux Type, and then type to select the HXU-358. You will not need to enter an IP address for the HXU-358. Type to exit the Shelf Options screen, and then type confirm. Accessing HXU-358 From the Shelf Status screen, select to log onto the HXU-358.
  • Page 23 LTPH-TP-1044-01, Issue 1 Provisioning The HXU-358 Main Menu provides the following menu options: Config Inventory Help Main Monitor History Test Quit (System status) (Product information) (Logoff) (Customer Services) PM Monitor Active Alarms PM History T1/E1 Loopback Alarms History DS3 Loopback Circuit IDs T1/E1 Ports Test Head Access...
  • Page 24 Provisioning LTPH-TP-1044-01, Issue 1 Press to view the T1/E1 port status screen (Figure ENTER Main Monitor History Config Test Inventory Quit Help T1/E1 PORT STATUS |DS3 PORT STATUS | Port Type Mode Alrm Lpbk | Port Type Mode Alrm Lpbk |Alarms Lpbk | NONE...
  • Page 25 LTPH-TP-1044-01, Issue 1 Provisioning Table 2. HXU-358 Main Menu Options Menu Name Select This Menu to: Monitor View monitoring error data at the T1/E1 ports and the DS3 port, view alarm history, and clear the Too Many Switches (TMS) count. History View 24-hour and 7-day performance monitoring histories at the T1/E1 ports and the DS3 port.
  • Page 26 Provisioning LTPH-TP-1044-01, Issue 1 ACE C ETTING ATE AND HASSIS NSTALLATION ONLY The following procedure is intended for HXU-358 installation in an ACE chassis. If you are installing the HXU-358 in a Wideband 3190, this setting is automatically registered by the HMU; proceed to “Entering System Name”...

  • Page 27: Entering System Name

    LTPH-TP-1044-01, Issue 1 Provisioning NTERING YSTEM Main Monitor History Config Test Inventory Quit Help +-------------------+ | T1/E1 Ports | DS3 Port | Password | Date and Time Card ID | +---------------------------------+ | | Enter Card ID | +---------------------------------+ | Maintenance Port | Circuit IDs | Restore Defaults +-------------------+...

  • Page 28: Configuring The Ds3 Port

    Provisioning LTPH-TP-1044-01, Issue 1 DS3 P ONFIGURING THE Main Monitor History Config Test Inventory Quit Help +-------------------+ | T1/E1 Ports DS3 Port +-----------------------------------------------------------+ | Service Mode(OUT OF SERVICE,IN SERVICE..): MEMORY ADMIN | Protection Mode (PROTECTED,UNPROTECTED) : PROTECTED | DS3 Mode (M13,C-BIT) : M13 | Line Buildout (100FT,450FT) : 100FT...
  • Page 29 LTPH-TP-1044-01, Issue 1 Provisioning Table 3. HXU-358 DS3 Service Modes Config HXU-358 Passes Report Loopback PM Data Changes Service States Data Alarms Allowed Allowed Out-of-Service Yes In-Service Memory Administration Maintenance (a) DS1 only; no alarm in OOS state. Configure the HXU-358 DS3 interface by selecting DS3 Port from the Config menu.

  • Page 30: Configuring The T1/E1 Ports

    Provisioning LTPH-TP-1044-01, Issue 1 T1/E1 P ONFIGURING THE ORTS T1/E1 ports are individually configurable. To reconfigure a port, set the service mode to MEM-ADMIN. Main Monitor History Config Test Inventory Quit Help +-------------------+ T1/E1 Ports +------------------------------------------------------------------------------+ Port Srvc Mode Code T1/E1 | Port Srvc Mode...
  • Page 31 LTPH-TP-1044-01, Issue 1 Provisioning Table 4 lists the HXU-358 service states to be implemented and also defines what functions are enabled for each service state. There is a separate service state for the DS3 port and for each of the 28 DS1 ports. Table 4.

  • Page 32: Changing T1 To E1 Configurations For The Wideband 3190 Or Ace Chassis

    Provisioning LTPH-TP-1044-01, Issue 1 Unless a cut-through card is used on this port, keep the default setting (133 feet) for Wideband 3190 applications. Place the channel in service (IN-SRVC, OOS is default). You have now provisioned your system. The procedures that follow document additional system configurations.

  • Page 33: Other Configuration Options

    LTPH-TP-1044-01, Issue 1 Provisioning THER ONFIGURATION PTIONS There are other useful configuration options that are not essential to the basic configuration procedures. These include: • Changing the password • Downloading HXU-358 software updates • Cross connecting a port to a different tributary on the DS3 •...

  • Page 34: Changing The Password

    Select Password from the Config menu, then type the old password, and then press ENTER Type the new password. Retype the password to confirm it, and then press ENTER If you have forgotten you password, contact ADC Wireline Systems Division Customer Service Engineering Group at 1.800.638.0031. April 6, 2001 HXU-358 V1.04...

  • Page 35: Download Software Updates

    LTPH-TP-1044-01, Issue 1 Provisioning Download Software Updates When performing a software download in a protected system, the software must be loaded to both multiplexer modules individually. Uploading a new version of multiplexer software assumes the that the card in slot A is running a more recent software version than the card in slot B Main Monitor History...

  • Page 36: Cross Connecting

    Provisioning LTPH-TP-1044-01, Issue 1 Cross Connecting The HXU-358 cross-connect feature allows the grooming of any of the T1/E1 channels to any time-slot location within the high speed DS3 frame. For additional information about the Digital Access Cross-Connecting Switch (DACS), see “Time-slot Assignment Switch (TSA)”...
  • Page 37 LTPH-TP-1044-01, Issue 1 Provisioning Change the port’s Timeslot setting of the time-slot in use by another port to NO CONNECT by pressing the , and then press SPACEBAR ENTER The ports are now ready to configure. Change the port’s Timeslot setting of the time-slot that you want by pressing the , and then press SPACEBAR...

  • Page 38: Restoring Defaults

    Provisioning LTPH-TP-1044-01, Issue 1 Restoring Defaults Main Monitor History Config Test Inventory Quit Help +-------------------+ | T1/E1 Ports | DS3 Port | Password | Date and Time | Card ID | SW Download | X-Connect | Autologout Time +----------------------------------------------------------------+ | Restore DS1, DS3 and X-Connect Defaults. Are you sure (Y/N)? Y | +----------------------------------------------------------------+ +-------------------+ Note: Setting Defaults will reset the system.

  • Page 39: Setting Autologout Time

    LTPH-TP-1044-01, Issue 1 Provisioning Setting Autologout Time You can set the time (15 min, 30 min, 60 min, or none) that the HXU-358 will logout. Main Monitor History Config Test Inventory Quit Help +-------------------+ | T1/E1 Ports | DS3 Port | Password | Date and Time | Card ID...

  • Page 40: Editing Circuit Ids

    Provisioning LTPH-TP-1044-01, Issue 1 Editing Circuit IDs You can assign text to identify each circuit. Main Monitor History Config Test Inventory Quit Help +-------------------+ +-------------------------------------------------------+ | DS3: DS3 WBS-3190 DVTr HDSL2 619 Circuit NEXT PAGE >> +-------------------------------------------------------+ [ Use <BKSPC> to delete last character; UP/DOWN arrow keys to go to next field ]ID: Test card | Card 'B' 03/30/01 12:33:56 ALARMS: NONE...

  • Page 41: Performance Monitoring

    LTPH-TP-1044-01, Issue 1 Performance Monitoring ERFORMANCE ONITORING The Monitor and History menus provide essential data for monitoring the performance of the HXU-358. ONITOR Select PM Monitor from the Monitor menu. The screen displays error reports for the T1/E1 ports and the DS3 port. Table 5 on page 32 describes these errors.
  • Page 42 Performance Monitoring LTPH-TP-1044-01, Issue 1 Table 5. T1/E1 and DS3 Error Definitions Error Type Description T1/E1 Ports Errored Seconds—The sum of the ES-L and ES-P counts detected on the DS1 input. Errors included are: DS1 Frame errors, BPV, and ESF CRC errors. Severely Errored Seconds—This value is the sum of the DS1 SES-L and SES-P counts.
  • Page 43 LTPH-TP-1044-01, Issue 1 Performance Monitoring Table 5. T1/E1 and DS3 Error Definitions (Cont.) Error Type Description ESCP-P Errored Seconds CP-bit Parity: Count of seconds containing one ore more CP-bit parity errors or one or more SEF or AIS defects. SESCP-P Severely Errored Second CP-bit Parity: Count of seconds containing more than 44 CP-bit parity errors or one or more SEF or AIS defects.
  • Page 44 Performance Monitoring LTPH-TP-1044-01, Issue 1 Table 6. Alarm Descriptions Field Description Description Summarizes type of alarm Indicates the alarm severity (MIN, MAJ, or CRIT) Counts the amount of alarms First Occurrence First alarm occurrence Last Occurrence Last alarm occurrence If no alarms are active, the screen displays NO ACTIVE ALARMS.
  • Page 45 LTPH-TP-1044-01, Issue 1 Performance Monitoring When three protection switches occur within 10 minutes, the HXU-358 reports a TMS alarm. The alarm is automatically cleared in 24 hours for the declaration of the alarm, or it can be cleared by selecting Clear TMS Count from the Monitor menu (Figure 21).

  • Page 46: History Menu

    Performance Monitoring LTPH-TP-1044-01, Issue 1 ISTORY The History menu provides three submenus of history statistics: • PM History provides 7-day and 24-hour ES and SES statistics (in 15 minute increments) for individual T1/E1 ports and the DS3 port. It also allows you to clear these screens.

  • Page 47: Performance Monitoring History

    LTPH-TP-1044-01, Issue 1 Performance Monitoring Performance Monitoring History To view performance monitoring history screens for individual T1/E1 ports: Select PM History from the History menu and do one of the following: • Select T1/E1 Ports: PM History and type in the number of the port. The screen displays 24-hour and 7-day statistics for ES and SES.

  • Page 48: History Menu: Pm History For Ds3 Port

    Performance Monitoring LTPH-TP-1044-01, Issue 1 Main Monitor History Config Test Inventory Quit Help +---------------- PM History for DS3 Port -------------------------------------+ 7-Day Line History 24-Hour Line History ES SES LOS ES SES LOS 09/13 ----- ----- ----- 10:45 --- --- --- 06:45 --- --- --- 09/12 ----- ----- ----- 10:30 --- --- ---...

  • Page 49: Alarms

    LTPH-TP-1044-01, Issue 1 Performance Monitoring Alarms Select Alarms History from the History menu (Figure 25) and select the type of alarm statistics screen you wish to view: • Select T1/E1 Ports: Alarm History and type in the number of the port. •...
  • Page 50 Performance Monitoring LTPH-TP-1044-01, Issue 1 Main Monitor History Config Test Inventory Quit Help +---------------- Alarm History for DS3 Port ----------------------------------+ Alarm Description First Occurrence Last Occurrence DS3 RCV FAIL CRIT 1 03/30/01 12:46:47 03/30/01 12:46:47 DS3 FACILITY LPBK 1 03/30/01 12:46:33 03/30/01 12:46:33 (N)ext Page (P)rev Page...

  • Page 51: Event Log

    LTPH-TP-1044-01, Issue 1 Performance Monitoring Event Log To view a listing and brief description of system events and alarms (Figure 27), select Event Log from the History menu, then Event Log Listing or select Clear Event Log to clear all event statistics. Main Monitor History...

  • Page 52: Testing

    Testing LTPH-TP-1044-01, Issue 1 ESTING The Test menu allows you to • execute a T1/E1 and DS3 loopback, • access the test head, and • perform a protection switch. XECUTING A OOPBACK To execute a loopback: Select T1/E1 Loopback or DS3 Loopback from the Test menu. (For the T1/E1 interface, select a port and press ENTER Press the...
  • Page 53 LTPH-TP-1044-01, Issue 1 Testing Loopback cannot be performed in the In-Service state. Wideband 3190 HDU n HXU-358 HDSL DSX-1 Network CDU n NDU n TLB3 FLB1 CREM Bridge Line FLB3 TLB1 NLOC jack jack HDSL Customer NREM Line CLOC jack jack jack Figure 29.
  • Page 54 Testing LTPH-TP-1044-01, Issue 1 Table 8. System Loopback Definitions Test Point Loopback Definition (a) (b) Terminal loopback to the customer at the DS3 line. Activate from the TLB3 HXU-358 Test menu. Facility loopback to the network at the DS3 line. Activate from the HXU-358 (a) (b) FLB3 Test menu.

  • Page 55: Test Access Interface

    LTPH-TP-1044-01, Issue 1 Testing CCESS NTERFACE The test access interface is accessible from the HXU-358 front panel and from the backplane on the HXU-358. Any one of the 28 channels can be routed through the DACs in the multiplexer for monitoring or testing. •...
  • Page 56 Testing LTPH-TP-1044-01, Issue 1 Select Connect (to activate the test) or Disconnect (to disable the test) and press ENTER Main Monitor History Config Test Inventory Quit Help +--------------------+ | T1/E1 Loopback | DS3 Loopback Test Head Access | +----------------------------+ Internal Test Head Access +--------------------------------------------------------------+ | Port number: Direction: CUSTOMER...
  • Page 57 LTPH-TP-1044-01, Issue 1 Testing Figure 31 shows a sample screen for a breaking type internal test. You can send data (test patterns) or configurable loop codes out through the internal test head. Loop codes are programmable (up to 32 bits) and you can configure two names for your own codes.
  • Page 58 Testing LTPH-TP-1044-01, Issue 1 For an external test, you can connect your test equipment to the test connectors located on the front panel of the HXU-358 or you can connect your equipment to the backplane of the Wideband 3190 (refer to the Wideband 3190 technical practice for details).
  • Page 59 LTPH-TP-1044-01, Issue 1 Testing Figure 32 shows a sample screen for a monitor type external test. Main Monitor History Config Test Inventory Quit Help +--------------------+ | T1/E1 Loopback | DS3 Loopback Test Head Access | +----------------------------+ +-| Internal Test Head Access External Test Head Access +--------------------------------------------------------------+ | Port number:...

  • Page 60: Protection Switching

    Testing LTPH-TP-1044-01, Issue 1 ROTECTION WITCHING For complete information on HDSL line protection switching, refer to PSC-606 List 1 Technical Practice, document LTPH-TP-1006-xx. The Test menu offers a Protection Switch selection to manually change from the active multiplexer to the standby multiplexer. Select Protection Switch from the Test menu.

  • Page 61: Appendix A - Specifications

    LTPH-TP-1044-01, Issue 1 Appendix A - Specifications A - S PPENDIX PECIFICATIONS DS3 Interface (Multiplexer) Cable 728 A RG-6/U Number of duplex lines 1 per chassis Line rate 44.736 megabits/s ±20 ppm Line code B8ZS 75 Ω ±5 Ω, unbalanced Line impedance Pulse amplitude 0.36 V to 0.85 V...
  • Page 62 Appendix A - Specifications LTPH-TP-1044-01, Issue 1 Environmental Requirements Operating Temperature -40° F to +149° F (-40° C to +65° C) Storage Temperature -40° F to + 185° F (-40° C to +85° C) Humidity 5% to 95% non-condensing Operating Altitude -200 ft.

  • Page 63: Appendix B - Hxu-358 Installation For Ace Chassis

    LTPH-TP-1044-01, Issue 1 Appendix B - HXU-358 Installation for ACE Chassis B - HXU-358 I PPENDIX NSTALLATION ACE C HASSIS The following documents HXU-358 installation procedures for the ACE chassis. Prior to installing the HXU into an ACE chassis, the port must be in Craft mode.
  • Page 64 Appendix B - HXU-358 Installation for ACE Chassis LTPH-TP-1044-01, Issue 1 Type public in the Password field, then press ENTER Select Maintenance Port from the Config menu, and then press ENTER Choose CRAFT from the Select Maintenance Port Settings selection, and then press ENTER Repeat...
  • Page 65 LTPH-TP-1044-01, Issue 1 Appendix B - HXU-358 Installation for ACE Chassis Remove the serial data cable from the RS-232 craft port located on the front panel of the HXU-358 and connect the cable to the rear of the ACE chassis as shown in Figure The HXU-358 is now ready to be managed through the VT100 interface of the maintenance terminal.

  • Page 66: Appendix C - Technical Reference

    Appendix C - Technical Reference LTPH-TP-1044-01, Issue 1 C - T PPENDIX ECHNICAL EFERENCE Figure 36 shows a simplified block diagram of the HXU-358. Digital Access Quad Crosspoint Switch (DACS) 28 DS1/E1 Tributaries DS3 Interface Front RINMC Interface panel Jacks, LEDs Test Interface Craft...

  • Page 67: Time-Slot Assignment Switch (Tsa)

    LTPH-TP-1044-01, Issue 1 Appendix C - Technical Reference In a normal system configuration, two HXU-358s are connected to the HXU-358 backplane. Both multiplexers receive data continuously from the T1/E1 tributaries and the HMU interface. The HXU-358 multiplexes 28 T1 or 21 E1 tributaries, or a mixed combination of T1 and E1 groups, into a single DS3 channel.
  • Page 68 Appendix C - Technical Reference LTPH-TP-1044-01, Issue 1 Figure 37. Basic M13 Multiplexer April 6, 2001 HXU-358 V1.04...

  • Page 69: Appendix D - Service And Support

    To return equipment to ADC Wireline Systems Division: Locate the number of the purchase order under which the equipment was purchased. You will need to provide this number to ADC Wireline Systems Division Customer Service to obtain a return authorization.
  • Page 70 Pack the equipment in a shipping carton. Write the ADC Wireline Systems Division address and the Return Material Authorization Number you received from Customer Service clearly on the outside of the carton and return to: ADC Wireline Systems Division 14352 Franklin Ave.
  • Page 71 LTPH-TP-1044-01, Issue 1 Appendix D - Service and Support Attention: RMA (Number) All shipments are to be returned prepaid. ADC will not accept any collect shipments. HXU-358 V1.04 April 6, 2001...

  • Page 72: Appendix E - Abbreviations

    Appendix E - Abbreviations LTPH-TP-1044-01, Issue 1 E - A PPENDIX BBREVIATIONS ACE: Access Concentrator Express ECN: Engineering Change Notice AIS: Alarm Indicator Signal ECO: Engineering Change Order AMI: Alternate Mark Inversion Errored Seconds ESCP-P: Errored Seconds CP-bit Parity ESD: Electrostatic discharge B8ZS: Bipolar with 8-zero Substitution...
  • Page 73 LTPH-TP-1044-01, Issue 1 Appendix E - Abbreviations SES-P: Severely Errored Seconds - Port Loopback operation SESP-P: Severely Errored Second P-bit Parity LBO: Line Buildout LED: Light Emitting Diode LOS: Loss of Signal TAO: Terminal Access Option LOSS-L: Loss of Signal Second - Line TL1: Transaction Language 1 TMS:...
  • Page 74 Appendix E - Abbreviations LTPH-TP-1044-01, Issue 1 April 6, 2001 HXU-358 V1.04...

  • Page 75: Certification And Warranty

    Customer Service for details. ODIFICATIONS Any changes or modifications made to this device that are not expressly approved by ADC DSL Systems, Inc. voids the user's warranty. All wiring external to the products should follow the provisions of the current edition of the National Electrical Code.
  • Page 76 ADC DSL Systems, Inc. 14402 Franklin Avenue Tustin, CA 92780-7013 Tel: 714.832.9922 Fax: 714.832.9924 Technical Assistance 800.638.0031 714.730.3222 LTPH-TP-1044-01 OCUMENT ´+^e¶9M¨ 1162699...

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