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Nortel Communication Server 1000 Manual

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Nortel Communication Server 1000
ISDN Basic Rate Interface
Maintenance
NN43001-718
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Summary of Contents for Nortel Communication Server 1000

  • Page 1 Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718...
  • Page 2 Users must take full responsibility for their applications of any products specified in this document. The information in this document is proprietary to Nortel Networks. Nortel, the Nortel logo, and the Globemark are trademarks of Nortel Networks. All other trademarks are the property of their respective owners.
  • Page 3 ISDN Basic Rate Interface: Maintenance (553-3001-518). No new content has been added for Communication Server 1000 Release 5.0. All references to Communication Server 1000 Release 4.5 are applicable to Communication Server 1000 Release 5.0.
  • Page 4 4 Revision history Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...

  • Page 5: Table Of Contents

    Verify a new M5209T terminal installation 80 Troubleshoot the M5209T 83 Procedures Procedure 1 Checking MISP status 18 Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 6 Assigning the test display language 82 Procedure 24 Checking power and cable connections 84 Procedure 25 Testing the telephone components 85 Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...

  • Page 7: About This Document

    Note on legacy products and releases This NTP contains information about systems, components, and features that are compatible with Nortel Communication Server 1000 Release 4.5 software. For more information on legacy products and releases, click the Technical Documentation link under Support & Training on the Nortel home page: www.nortel.com...

  • Page 8: Intended Audience

    This document is intended for individuals responsible for maintaining BRI on the system. Related information This section lists information sources that relate to this document. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 9 • Software Input Output Reference - Maintenance (NN43001-711) Online To access Nortel documentation online, click the Technical Documentation link under Support & Training on the Nortel home page: www.nortel.com CD-ROM To obtain Nortel documentation on CD-ROM, contact your Nortel customer representative.
  • Page 10 10 About this document Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...

  • Page 11: Isolate And Correct Faults

    "MPH fault isolation and correction" (page 52) "MPH loopback tests" (page 53) "ISDN BRI maintenance commands" (page 57) "MISP maintenance commands" (page 57) Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...

  • Page 12: Introduction

    DSL • incorrect software • incorrect ISDN BRI configuration Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...

  • Page 13: Isolate Faults

    If the problem cannot be resolved after exhausting all available diagnostic tools and test procedures, list all the observed symptoms and contact your technical service representative. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 14 14 Isolate and correct faults Figure 1 ISDN BRI fault isolate flowchart Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...
  • Page 15 Check the card status - go to "SILC or UILC fault isolation and correction or "Perform BRSC self-test" (page 35). Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 16 Check the DSL wiring. Duplicate TEIs may exist on the DSL DSL wiring is faulty. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...

  • Page 17: Misp Fault Isolation And Correction

    (loop) should be interpreted as c (card). Similarly, all references to network loops or loop numbers should be interpreted as cards or card slot numbers. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...

  • Page 18: Checking Misp Status

    DISL III; • has an overload condition; or • has failed the self-test when enabling this loop. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 19 MISP is faulty, replace it. If the response is NO APPLICATION CONFIGURED then Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 20 STUCK INTERRUPT - hardware failure, interrupt is permanently If the response is lll=MISP LOOP DISABLED NOT RESPONDING MISP lll DSBL then Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...
  • Page 21 (for a line) or STAT BRIT lll (for a trunk) and observe the response. If the response is lll:MISP LOOP APPLICATION ENBL ACTIVATED - xx/xx/xx xx:xx Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...
  • Page 22 ENLL lll, where lll is the MISP loop number. A message indicating that the MISP is enabled and working is displayed on the console. Observe the red LED on the MISP. If it Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007...
  • Page 23 MISP network loop number and type is 1 for a detailed self-test and 2 for a minimal test. If the response is NWS637 Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 24 The MISP-to-line card loopback through the BRSC tests the path from the MISP application through the BRSC to the line card. The ISDN BRI application on the BRSC passes the data transparently. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007...
  • Page 25 Test the MISP loopback at a DSL interface To start the loopback test, follow the steps in Procedure 3 "Testing the MISP loopback at a DSL interface" (page 26). Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 26 XSTP with the test TAG number to check the status. XSTA gets the status of the manual continuity test and XSTP stops the manual continuity test. If the results show BSDxxx messages, refer to the Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007...
  • Page 27 Figure 3 "MISP loopback at the SILC or UILC peripheral bus interface" (page 28) illustrates the SILC or UILC loopback path and the MISP as a test pattern generator and detector. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 28 Procedure 4 "Testing the MISP loopback at the SILC or UILC bus interface" (page 29) to test the MISP loopback at the SILC or UILC bus interface. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 29 MISP network loop number, where lll=0 – 158 and must be an even number. LBTY Card is requested to loopback. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 30 ISDN BRI trunk DSL provisioned as an Meridian Customer Defined Network (MCDN) TIE configuration; the TIE trunk connection is achieved by connecting two systems through an NT1 device. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007...

  • Page 31: Performing An Isdn Bri Trunk Remote Loopback Test

    "CLOCK SOURCE ON DSL # OF SILC L S C, PROCEED?" is displayed to ensure that necessary precautions have been taken for uninterrupted clock reference for the system. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007...

  • Page 32: Brsc Fault Isolation And Correction

    Problems with the BRSC may be caused by hardware faults, incorrect configuration, disabled BRSC or MISP, or continuity problems between the MISP and other network cards connected to the network bus. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007...
  • Page 33 Background audit detected Quit overlay to invoke DOWNLOAD need for software download. background peripheral software download. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...
  • Page 34 Base Code or the state of the ISDN BRI application in the BRSC. If the channel between the MISP and BRSC is down, the response is: LOADWARE VERSION NOT AVAIL-MISP CANNOT ACCESS BRSC CARD Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...

  • Page 35: Perform A Brsc Self-Test

    Press the ENTER key to start the self-test. If the response is NWS637 then Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 36 38). This tests the path from the MISP application through the BRSC to the line card. The ISDN BRI application on the BRSC passes the data transparently. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 37 BRSC fault isolation and correction 37 Figure 5 MISP-to-line card DSL loopback through the BRSC Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...
  • Page 38 38 Isolate and correct faults Figure 6 MISP-to-line card loopback through the BRSC Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...

  • Page 39: Silc Or Uilc Fault Isolation And Correction

    (S/T) interfaces and eight Central office-to-NT1 Layer1 protocol (U) interfaces respectively, which are used to connect ISDN BRI compatible terminals or trunks over DSLs to the system. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007...

  • Page 40: Checking Silc Or Uilc Status

    — MBSY (in maintenance busy state) • dsl_type is the following type: — TRNK (ISDN BRI trunk DSL) Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 41 — ESTA (line is established) — RLS (link is released) — TEST-IDLE (in test mode) — TEST-RLBT (in remote loopback test mode) Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 42 MBSY DSL is in maintenance No action required. The DSL is being tested. busy mode. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...
  • Page 43 Enable MISP application using LD 32. is disabled. - MPDB MISP is disabled. Enable MISP using LD 32. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 44 (DSL) indicates the status of each DSL on the card. Table 9 "DSL software states" (page 45) describes the statuses given. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 45 DSL is not assigned to an MISP. DSL is not properly configured. To configure the DSL, refer to ISDN Basic Rate Interface Installation and Commissioning (NN43001-318). Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 46 "Check the SILC and UILC status." DSBL DSL is disabled. Enable DSL using LD 32. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...

  • Page 47: Checking The Dsl Status

    Table 6 "DSL status in the system CPU" (page 42)): — IDLE (no active call) — BUSY (active call in progress) Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 48 • dch_state is one of the following D-channel states: — ESTA (line is established) — RLS (link is released) Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 49 45); for the mstatus in Table 10 "DSL status in the MISP" (page 45); for the lcstatus in Table 11 "DSL Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 50 MISP and the SILC or UILC and verify if the path or the Superloop Network Card or Peripheral Controller Card is faulty. —End— Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...

  • Page 51: Performing A Silc Or Uilc Self-Test

    DSL. Other NWSxxx messages may appear, indicating different problem causes. If the response is NWS632 Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...

  • Page 52: Mph Fault Isolation And Correction

    TYPG X = 5 is the MISP loop X = 8 is the PDNI LOOP MISP loop Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...
  • Page 53 PSDN using a PRI connection. To perform this loopback test, the dedicated connection between the PRI and the MPH must be in a manually disabled state. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 54 54 Isolate and correct faults Figure 8 MPH-to-PSDN continuity test using MCU Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...
  • Page 55 BRIL and the MPH must be in a manually disabled state. Figure 10 MPH-to-BRIL continuity test Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 56 For the MPH-to-B-channel test, the dedicated connection between the MPH and the B-channel must be in a manually disabled state. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...

  • Page 57: Isdn Bri Maintenance Commands

    MISPs. These commands are located in different non-resident programs (overlays), which can be accessed using the administration terminal or the maintenance telephone. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007...
  • Page 58 DWLD MISP xx FDL Force downloads all BRIT interface tables on the MISP. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 59 ENLL lll <FDL> Enables the MISP basecode and MISP application at lll, which enables all other configured applications on the MISP. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 60 These commands are located in different non-resident programs (overlays), which can be accessed using the administration terminal or the maintenance telephone. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 61 ESTU l s c d Enables a D-channel link for a ISDN BRI trunk line, loop l, shelf s, card slot c, dsl#. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 62 Maintenance and diagnostic commands for the MPH provide the capability of performing fault detection and isolation, query link status, and disabling and enabling an MPH application. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 63 STIF l s c DSL BCH x Display status of link interface B-channel packet data terminal TN l s c DSL, for B-channel x (x = 1 or 2). Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007...
  • Page 64 MISP, SILC, and UILC cards. These commands are used to enable the technician to monitor ISDN BRI activity during normal system operation and to facilitate system maintenance. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 65 Input expedited message from BRIL/BRIT application on MISP card to the system. Output expedited message from the system to the BRIL/BRIT application on the MISP card. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 66 Table 22 "Enable application fail messages" (page 67) provide possible reasons for download failure and application failure, and list corrective actions to take. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 67 AGAIN) ENLAPPL FAIL (****) Report the problem. Note: **** is the reason passed from the MISP interface handler. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...
  • Page 68 68 Isolate and correct faults Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...

  • Page 69: Replace Isdn Bri Cards

    Unpack replacement cards Unpack and visually inspect the replacement cards by following the steps in Procedure 10 "Unpacking replacement cards" (page 70). Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...

  • Page 70: Remove And Replace The Misp

    Visually inspect the replacement card for obvious faults or damage. Report the damage to a Nortel sales representative. Keep cards in their anti-static bags until ready to install them. Do not stack them on top of each other.
  • Page 71 "Isolate and correct faults" chapter in this document. Tag the defective card with a description of the problem and prepare it for shipment to the equipment supplier’s repair depot. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007...
  • Page 72 Figure 13 Unlatch the card-locking devices on a card Figure 14 Latch the card-locking devices on a card Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...

  • Page 73: Remove And Replace The Silc, Uilc Or Brsc

    Figure 14 "Latch the card-locking devices on a card" (page 72). The card automatically starts the self-test. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...

  • Page 74: Verify The Operation

    ISDN BRI terminal or trunk used in step 1 to verify the incoming transmission and signaling channels. Repeat these two steps for other previously faulty cards and DSLs. —End— Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...

  • Page 75: Re-Install Covers

    To ship the defective ISDN BRI card to an authorized repair center, perform the steps in Procedure 16 "Packing and shipping the defective cards" (page 76). Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...

  • Page 76: Packing And Shipping The Defective Cards

    Place the card in an anti-static bag, then into the box, and securely seal the box with tape. Obtain the shipping and cost information from Nortel and mail the package to an authorized repair center. —End—...

  • Page 77: Test And Troubleshoot Isdn Bri Terminals

    "Troubleshoot system error messages" (page 85) Verify a new M5317T terminal installation Any problems found during this phase should be corrected before turning equipment over to the customer. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...

  • Page 78: Troubleshoot The M5317T

    69). Run the diagnostic programs again to confirm that the error and location codes have been cleared. —End— Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...

  • Page 79: Clearing Error Codes

    Wiggle the line cord or handset cord while listening for sounds from the handset. If crackling or ticking sounds are heard, replace the cords. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...

  • Page 80: Verify A New M5209T Terminal Installation

    Unplug the RJ-45 line cord from the jack, wait five seconds, then plug it in. The telephone automatically performs a self-test on power up. Check the display for the following message: SELF TEST PASSED Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...

  • Page 81: Running A Panel Test

    DEPRESS ALL KEYS Press the following keys; check that each key is displayed as it is pressed. 0-9 (dial pad keys) Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...

  • Page 82: Assigning The Test Display Language

    Assigning the test display language Step Action Press the Hold and Rls keys simultaneously until the following main menu is displayed: Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...

  • Page 83: Troubleshoot The M5209T

    Follow the steps in Procedure 24 "Checking power and cable connections" (page 84) to check the cable connections and power supply. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks...

  • Page 84: Checking Power And Cable Connections

    If the replacement M5209T does not work, replace the existing cables with spare cables; repeat step 8. If problems persist, contact a supervisor. Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...

  • Page 85: Testing The Telephone Components

    fix the problem situation. Troubleshoot system error messages For all ISDN BRI Maintenance Messages, refer to Software Input Output Reference - System Messages (NN43001-712). Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright ©...
  • Page 86 86 Test and troubleshoot ISDN BRI terminals Nortel Communication Server 1000 ISDN Basic Rate Interface Maintenance NN43001-718 01.01 Standard Release 5.0 30 May 2007 Copyright © 2003-2007, Nortel Networks Nortel Networks Confidential...
  • Page 88 Document version: 01.01 Document date: 30 May 2007 To provide feedback or to report a problem with this document, go to www.nortel.com/documentfeedback. Sourced in Canada. The information in this document is subject to change without notice. The statements, configurations, technical data, and recommendations in this document are believed to be accurate and reliable, but are presented without express or implied warranty.

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