Nortel North American DMS-100 User manual

Critical Release Notice
Publication number: 297-8021-544
Publication release: Standard 16.02
The content of this customer NTP supports the
SN06 (DMS) software releases.
Bookmarks used in this NTP highlight the changes between the baseline NTP and the current
release. The bookmarks provided are color-coded to identify release-specific content changes. NTP
volumes that do not contain bookmarks indicate that the baseline NTP remains unchanged and is
valid for the current release.
Bookmark Color Legend
Black: Applies to new or modified content for the NA015 baseline NTP that is valid through
the current release.
Red: Applies to new or modified content for NA017 that is valid through the current release.
Blue: Applies to new or modified content for NA018 (SN05 DMS) that is valid through the
current release.
Green: Applies to new or modified content for SN06 (DMS) that is valid through the current
release.
Attention!
Adobe
® Acrobat ® Reader ™ 5.0 is required to view bookmarks in color.

Publication History
November 2005
For the SN06 (DMS) standard release 16.02, the following updates were made:
Volume 1
Section “Clearing an SPM UR or a NA link state” added for CR Q01007141.
Volume 2
No changes
May 2003
For the SN06 (DMS) release, 16.01, updates were made to Volume 2 according to
CR Q00569522. There were no changes to Volume 1.

297-8021-544
DMS-100 Family
North American DMS-100
Trouble Locating and Clearing Procedures
Volume 2 of 2
LET0015 and up Standard 14.02 May 2001

DMS-100 Family
North American DMS-100
Trouble Locating and Clearing Procedures
Volume 2 of 2
Publication number: 297-8021-544
Product release: LET0015 and up
Document release: Standard 14.02
Date: May 2001
Copyright © 1996-2001 Nortel Networks,
All Rights Reserved
Printed in the United States of America
NORTEL NETWORKS CONFIDENTIAL: The information contained herein is the property of Nortel Networks and is
strictly confidential. Except as expressly authorized in writing by Nortel Networks, the holder shall keep all information contained
herein confidential, shall disclose the information only to its employees with a need to know, and shall protect the information, in
whole or in part, from disclosure and dissemination to third parties with the same degree of care it uses to protect its own
confidential information, but with no less than reasonable care. Except as expressly authorized in writing by Nortel Networks, the
holder is granted no rights to use the information contained herein.
Information is subject to change without notice. Nortel Networks reserves the right to make changes in design or components as
progress in engineering and manufacturing may warrant. Changes or modification to the DMS-100 without the express consent of
Nortel Networks may void its warranty and void the user’s authority to operate the equipment.
Nortel Networks, the Nortel Networks logo, the Globemark, How the World Shares Ideas, Unified Networks, DMS, DMS-100,
Helmsman, MAP, Meridian, Nortel, Northern Telecom, NT, SuperNode, and TOPS are trademarks of Nortel Networks.

DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
iii
Contents
Trouble Locating and Clearing Procedures
Volume 2 of 2
NTP Summary Contents vii
1 Trouble locating and clearing procedures (continued) 1-1
Recovering a stuck HLIU or HSLR 1-2
Recovering a stuck two-slot LIU7 1-10
Removing an MP position from service (integrated) 1-18
Removing an MP position from service (standalone) 1-22
Removing a TOPS MPX terminal from service TOPS MPX 1-28
Repairing FAN faults on an LCEI frame; cooling unit replacement 1-36
Repairing an NTBX63AA cooling unit on the bench top 1-46
Repairing and replacing NT3X90AA cooling units 1-52
Repairing and replacing NT3X90AB cooling units 1-64
Repairing and replacing NT3X90AC cooling units 1-74
Replacing a 3.5 in. disk drive unit NTFX32BA 1-82
Replacing an 8-in. or a 5.25-in. disk drive unit 1-94
Replacing a 14-in. disk drive unit 1-111
Replacing a bulkhead gasket 1-130
Replacing a cooling unit assembly in a 42-in. cabinet CPC A0377580,
A0382102, A0383322, A0383323 1-133
Replacing a cooling unit electronic module CPC A0383326, A0383327,
A0383984 1-144
Replacing a cooling unit fan CPC A0345301 1-154
Replacing a cooling unit fan CPC A0381714, A0382103, A0383325 1-164
Replacing cooling unit NTRX91AA 1-174
Replacing a CU voltage limiter and filter in a 28-in. cabinet 1-177
Replacing a digital audio tape (DAT) drive NTFX32CA 1-182
Replacing a door gasket 1-191
Replacing a fan in a 28-in. cabinet 1-194
Replacing a fan in a 28-in. frame 1-200
Replacing a fan in a 42-in. cabinet 1-206
Replacing a line card 1-216
Replacing a missing line card 1-222
Replacing an NT9X95 card in a cooling unit 1-226
Replacing an NTFX39 bulkhead splitter unit 1-237
Replacing a point-of-use power supply card 1-248

iv Contents
297-8021-544 Standard 14.02 May 2001
Replacing a TOPS MPX terminal TOPS MPX 1-255
Reseating a line card 1-260
Responding to TRMS301 logs 1-266
Restoring far-end service for a D-channel ISDN PRI primary and backup
D-channels 1-269
Restoring far-end service for a D-channel ISDN PRI single
D-channel 1-274
Returning a busy D-channel to service ISDN PRI primary and backup
D-channels 1-278
Returning a busy D-channel to service ISDN PRI single D-channel 1-283
Returning a busy PRI trunk to service ISDN PRI trunk 1-287
Returning a card or assembly in Canada 1-292
Returning a card or assembly in Germany 1-296
Returning a card or assembly in Japan 1-299
Returning a card or assembly in the United States of America 1-303
Returning an LIM to service 1-307
Running a C7BERT 1-311
Running a C7BERT for high-speed links 1-343
Saving key, screen, status messages, command privileges and option
definitions 1-366
Scheduling an automatic REx test 1-370
Scheduling ISUP trunk audits 1-375
Setting up an ISUP per-call continuity test 1-379
Setting up the signaling link marginal performance report 1-383
Softkey information does not download to the ADSI set 1-394
Test the DS-1 carrier states 1-402
Testing an SPM carrier 1-406
Testing an SPM CEM 1-412
Testing an SPM DSP RM 1-416
Testing an SPM OC3 interface module 1-420
TOPS IWS Operator complaint Clearing database access trouble 1-425
TOPS MP Operator complaint (integrated) Clearing MP keyboard
trouble 1-429
TOPS MP Operator complaint (integrated) Clearing voice communication
path trouble 1-439
TOPS MP Operator complaint (standalone) Clearing link trouble 1-447
TOPS MP Operator complaint (standalone) Clearing MP keyboard
trouble 1-463
TOPS MP Operator complaint (standalone) Clearingpositionfailure-cannot
reboot TPC 1-472
TOPS MP Operator complaint (standalone) Clearingpositionfailure-cannot
RTS position 1-483
TOPS MP Operator complaint (standalone) Clearing screen trouble 1-498
TOPS MP Operator complaint (standalone) Clearing voice communication
path trouble 1-503
TOPS MP Operator complaint (standalone/integrated) Clearing DA access
trouble 1-513
TOPS MP Operator complaint (standalone/integrated) Clearing ORDB ac-
cess trouble 1-522
TOPS MP TAMI trouble (integrated) Clearing TAMI response failure 1-531

Contents v
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
TOPS MP TAMI trouble (standalone) Clearing TAMI response
failure 1-534
TOPS MPX Operator complaint audio/headset malfunction 1-540
TOPS MPX Power-on self test 1-546
TOPS MPX Power-on self-test troubleshooting 1-551
TOPS MPX terminal system diagnostic TOPS MPX 1-558
TOPS MPX Token Ring LAN troubleshooting 1-580
Troubleshooting a customer-reported failure No FRIU alarms 1-625
Troubleshooting a customer-reported failure No PM alarms 1-631
Updating TOPS MPX software 1-638
VSLE session defaults to audio SLE 1-643

DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
vii
NTP Summary Contents
Trouble Locating and Clearing Procedures
Volume 1 of 2
NTP Summary Contents vii
About this document Vol. 1, xiii
How to check the version and issue of this document Vol. 1, xiii
References in this document Vol. 1, xiii
What precautionary messages mean Vol. 1, xiv
How commands, parameters, and responses are represented Vol. 1, xv
Input prompt (>) Vol. 1, xv
Commands and fixed parameters Vol. 1, xvi
Variables Vol. 1, xvi
Responses Vol. 1, xvi
1 Trouble locating and clearing procedures Vol. 1, 1-1
Introduction Vol. 1, 1-1
Application Vol. 1, 1-1
Definition Vol. 1, 1-1
Common procedures Vol. 1, 1-1
Action Vol. 1, 1-1
Activating a loopback on an HLIU Vol. 1, 1-2
Activating a loopback on an LIU7 Vol. 1, 1-9
Activating a loopback on an NTEX26AA paddle board Vol. 1, 1-16
Activating an offline linkset Vol. 1, 1-23
Activating the throttling logs mechanism Vol. 1, 1-30
Adding an LIM to an automatic REx test schedule Vol. 1, 1-36
Adding an NIU to an automatic REx test schedule Vol. 1, 1-39
Assembling 2x5 AMP connectors in SuperNode cabling Vol. 1, 1-43
BCLID link failure Vol. 1, 1-48
Cannot be called Vol. 1, 1-58
Cannot call out Vol. 1, 1-93
Changing table C7TIMER entries Vol. 1, 1-138
Clearing problems on the SCAI link Vol. 1, 1-145
CMR data mismatch with CC Vol. 1, 1-151
Confirming a missing telephone Vol. 1, 1-156
Correcting an attendant console problem Vol. 1, 1-160
Correcting an automatic line test failure Vol. 1, 1-164

viii NTP Summary Contents
297-8021-544 Standard 14.02 May 2001
Correcting a call cut-off problem Vol. 1, 1-168
Correcting a data error problem Vol. 1, 1-174
Correcting digital test unit problems Vol. 1, 1-183
Correcting DRAM announcement trouble Vol. 1, 1-195
Correcting DRAM sit tone trouble Vol. 1, 1-204
Correcting EDRAM voice file problems Vol. 1, 1-211
Correcting enhanced network load entries Vol. 1, 1-220
Correcting a line flux cancellation error Vol. 1, 1-231
Correcting a line loop detect error Vol. 1, 1-237
Correcting a line loopback problem Vol. 1, 1-243
Correcting a line noise problem Vol. 1, 1-249
Correcting a line pad test problem Vol. 1, 1-253
Correcting a line ringing failure Vol. 1, 1-257
Correcting a line synchronization loss at a U-loop Vol. 1, 1-261
Correcting a line test unit problem Vol. 1, 1-266
Correcting a line that does not receive calls Vol. 1, 1-275
Correcting a line that does not ring Vol. 1, 1-281
Correcting a line transhybrid error Vol. 1, 1-286
Correcting a line with free pay telephone service Vol. 1, 1-290
Correcting locked-out trunks Vol. 1, 1-295
Correcting metallic test access problems Vol. 1, 1-300
Correcting metallic test unit problems Vol. 1, 1-304
Correcting a no ANI on coin line condition Vol. 1, 1-318
Correcting no response from a peripheral module Vol. 1, 1-324
Correcting PCM level meter card problems Vol. 1, 1-329
Correcting poor line transmission or reception Vol. 1, 1-335
Correcting receive-level problems on T1 trunks Vol. 1, 1-340
Correcting release mismatch problems Vol. 1, 1-346
Correcting a ringing pretrip problem Vol. 1, 1-364
Correcting a stuck test access line relay Vol. 1, 1-370
Correcting supervision trouble on intertoll T1 trunks Vol. 1, 1-374
Correcting transmission test trunk trouble Vol. 1, 1-379
Correcting transmission test unit trouble Vol. 1, 1-385
Correcting transmission-level trouble on T1 trunks Vol. 1, 1-390
Determining the D-channel state ISDN PRI primary and backup
D-channels Vol. 1, 1-395
Determining the D-channel state ISDN PRI single D-channel Vol. 1, 1-399
Determining the line state Vol. 1, 1-403
Determining the location of the problem Vol. 1, 1-410
Determining the location of problems (ACDMIS, NACD,
MACD) Vol. 1, 1-418
Determining the trunk state ISDN PRI trunk Vol. 1, 1-426
Digital test access for BRI lines Vol. 1, 1-430
Digital test access for PRI lines Vol. 1, 1-435
DIRP 101 logs Reason 2 Vol. 1, 1-440
DIRP 101 logs Reason 26 Vol. 1, 1-445
DIRP 101 logs Reason 27 Vol. 1, 1-450
DIRP 101 logs Reason 46 Vol. 1, 1-454
DIRP 101 logs Reason 51 Vol. 1, 1-459
DIRP 101 logs Reason 56 Vol. 1, 1-463
DIRP 101 logs Reason 78 Vol. 1, 1-467

NTP Summary Contents ix
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
DIRP 101 logs Reason 100 Vol. 1, 1-472
DIRP 101 logs Reason 127 Vol. 1, 1-475
DIRP 101 logs Reason 129 Vol. 1, 1-479
DIRP 101 logs Reason 153 Vol. 1, 1-483
DIRP 101 logs Reason 154 Vol. 1, 1-487
DIRP 101 logs Reason 155 Vol. 1, 1-491
DIRP 101 logs Reason 223 Vol. 1, 1-495
DIRP 101 logs Reason 251 Vol. 1, 1-499
DIRP 101 logs Reason 266 Vol. 1, 1-504
DIRP 101 logs Reason 267 Vol. 1, 1-508
DIRP 101 logs Reason 279 Vol. 1, 1-512
DIRP 101 logs Reason 280 Vol. 1, 1-516
Disconnecting a TOPS MPX terminal TOPS MPX Vol. 1, 1-520
Downloading software to an APU Vol. 1, 1-527
Downloading software to an EIU Vol. 1, 1-531
Downloading software to an LIM unit Vol. 1, 1-536
Downloading software to an LIU7, HLIU, or HSLR Vol. 1, 1-540
Downloading software to a VPU Vol. 1, 1-547
Downloading software to an XLIU Vol. 1, 1-551
DSCWID/SCWID subscriber, no notification of waiting call Vol. 1, 1-556
E911 LDT and Line/ACD PSAP complaint Occasional failure of some E911
functions Vol. 1, 1-564
E911 LDT PSAP complaint ANI failure Vol. 1, 1-571
E911 LDT PSAP Operator Complaint Ringing not being applied to PSAP
position Vol. 1, 1-580
E911 Line and ACD PSAP complaint ANI failure (or ALI
failure) Vol. 1, 1-587
Establishing a DS-1 loopback for a far-end office ISDN PRI primary and
backup D-channels Vol. 1, 1-594
Establishing a DS-1 PCM30 loopback for a far-end office ISDN PRI single
D-channel Vol. 1, 1-600
Estimating signaling link occupancy Vol. 1, 1-605
Excluding an LIM from an automatic REx test schedule Vol. 1, 1-609
Excluding an NIU from an automatic REx test schedule Vol. 1, 1-612
Incorrect DN in incoming callers list Vol. 1, 1-616
Incorrect or no displayed calling party name or DN Vol. 1, 1-619
Installing key and option definitions Vol. 1, 1-630
Installing, reinstalling or changing TOPS MPX software TOPS
MPX Vol. 1, 1-634
Line state is Call processing busy (CPB) Vol. 1, 1-640
Line state is Cut (CUT) Vol. 1, 1-643
Line state is D-channel maintenance busy (DMB) Vol. 1, 1-645
Line state is Idle (IDL) Vol. 1, 1-652
Line state is Installation busy (INB) Vol. 1, 1-661
Line state is Line module busy (LMB) Vol. 1, 1-664
Line state is Lock out (LO) Vol. 1, 1-669
Line state is Maintenance busy (MB) Vol. 1, 1-677
Line state is Packet service unavailable Vol. 1, 1-680
Manually switching to a backup D-channel ISDN PRI primary and backup
D-channels Vol. 1, 1-704

xNTP Summary Contents
297-8021-544 Standard 14.02 May 2001
Modifying provisioned data for resource modules DMS-Spectrum Peripher-
al Module Vol. 1, 1-708
Monitoring call processing busy trunk circuits Vol. 1, 1-712
Performing an external continuity test on a DS-1 link ISDN PRI primary and
backup D-channels Vol. 1, 1-716
Performing an external continuity test on a DS-1 or PCM30 link ISDN PRI
single D-channel Vol. 1, 1-721
Performing an internal continuity test on a DS30 link ISDN PRI primary and
backup D-channels Vol. 1, 1-726
Performing an internal continuity test on a DS30 link ISDN PRI single
D-channel Vol. 1, 1-731
Performing a manual MTCTST test on a CM Vol. 1, 1-736
Performing a manual REx test on an LIM Vol. 1, 1-742
Performing a manual REx test on an NIU Vol. 1, 1-747
Placing an MP position in service (integrated) Vol. 1, 1-753
Placing MP position in service (standalone) Vol. 1, 1-758
Placing a TOPS MPX terminal in service TOPS MPX Vol. 1, 1-763
Prioritizing CCS alarms Vol. 1, 1-767
Trouble Locating and Clearing Procedures
Volume 2 of 2
1 Trouble locating and clearing procedures
(continued) Vol. 2, 1-1
Recovering a stuck HLIU or HSLR Vol. 2, 1-2
Recovering a stuck two-slot LIU7 Vol. 2, 1-10
Removing an MP position from service (integrated) Vol. 2, 1-18
Removing an MP position from service (standalone) Vol. 2, 1-22
Removing a TOPS MPX terminal from service TOPS MPX Vol. 2, 1-28
Repairing FAN faults on an LCEI frame; cooling unit
replacement Vol. 2, 1-36
Repairing an NTBX63AA cooling unit on the bench top Vol. 2, 1-46
Repairing and replacing NT3X90AA cooling units Vol. 2, 1-52
Repairing and replacing NT3X90AB cooling units Vol. 2, 1-64
Repairing and replacing NT3X90AC cooling units Vol. 2, 1-74
Replacing a 3.5 in. disk drive unit NTFX32BA Vol. 2, 1-82
Replacing an 8-in. or a 5.25-in. disk drive unit Vol. 2, 1-94
Replacing a 14-in. disk drive unit Vol. 2, 1-111
Replacing a bulkhead gasket Vol. 2, 1-130
Replacing a cooling unit assembly in a 42-in. cabinet CPC A0377580,
A0382102, A0383322, A0383323 Vol. 2, 1-133
Replacing a cooling unit electronic module CPC A0383326, A0383327,
A0383984 Vol. 2, 1-144
Replacing a cooling unit fan CPC A0345301 Vol. 2, 1-154
Replacing a cooling unit fan CPC A0381714, A0382103,
A0383325 Vol. 2, 1-164
Replacing cooling unit NTRX91AA Vol. 2, 1-174
Replacing a CU voltage limiter and filter in a 28-in. cabinet Vol. 2, 1-177

NTP Summary Contents xi
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Replacing a digital audio tape (DAT) drive NTFX32CA Vol. 2, 1-182
Replacing a door gasket Vol. 2, 1-191
Replacing a fan in a 28-in. cabinet Vol. 2, 1-194
Replacing a fan in a 28-in. frame Vol. 2, 1-200
Replacing a fan in a 42-in. cabinet Vol. 2, 1-206
Replacing a line card Vol. 2, 1-216
Replacing a missing line card Vol. 2, 1-222
Replacing an NT9X95 card in a cooling unit Vol. 2, 1-226
Replacing an NTFX39 bulkhead splitter unit Vol. 2, 1-237
Replacing a point-of-use power supply card Vol. 2, 1-248
Replacing a TOPS MPX terminal TOPS MPX Vol. 2, 1-255
Reseating a line card Vol. 2, 1-260
Responding to TRMS301 logs Vol. 2, 1-266
Restoring far-end service for a D-channel ISDN PRI primary and backup
D-channels Vol. 2, 1-269
Restoring far-end service for a D-channel ISDN PRI single
D-channel Vol. 2, 1-274
Returning a busy D-channel to service ISDN PRI primary and backup
D-channels Vol. 2, 1-278
Returning a busy D-channel to service ISDN PRI single
D-channel Vol. 2, 1-283
Returning a busy PRI trunk to service ISDN PRI trunk Vol. 2, 1-287
Returning a card or assembly in Canada Vol. 2, 1-292
Returning a card or assembly in Germany Vol. 2, 1-296
Returning a card or assembly in Japan Vol. 2, 1-299
Returning a card or assembly in the United States ofAmerica Vol. 2, 1-303
Returning an LIM to service Vol. 2, 1-307
Running a C7BERT Vol. 2, 1-311
Running a C7BERT for high-speed links Vol. 2, 1-343
Saving key, screen, status messages, command privileges and option
definitions Vol. 2, 1-366
Scheduling an automatic REx test Vol. 2, 1-370
Scheduling ISUP trunk audits Vol. 2, 1-375
Setting up an ISUP per-call continuity test Vol. 2, 1-379
Setting up the signaling link marginal performance report Vol. 2, 1-383
Softkey information does not download to the ADSI set Vol. 2, 1-394
Test the DS-1 carrier states Vol. 2, 1-402
Testing an SPM carrier Vol. 2, 1-406
Testing an SPM CEM Vol. 2, 1-412
Testing an SPM DSP RM Vol. 2, 1-416
Testing an SPM OC3 interface module Vol. 2, 1-420
TOPS IWS Operator complaint Clearing database access
trouble Vol. 2, 1-425
TOPS MP Operator complaint (integrated) Clearing MP keyboard
trouble Vol. 2, 1-429
TOPS MP Operator complaint (integrated) Clearing voice communication
path trouble Vol. 2, 1-439
TOPS MP Operator complaint (standalone) Clearing link
trouble Vol. 2, 1-447
TOPS MP Operator complaint (standalone) Clearing MP keyboard
trouble Vol. 2, 1-463

xii NTP Summary Contents
297-8021-544 Standard 14.02 May 2001
TOPS MP Operator complaint (standalone) Clearingpositionfailure-cannot
reboot TPC Vol. 2, 1-472
TOPS MP Operator complaint (standalone) Clearingpositionfailure-cannot
RTS position Vol. 2, 1-483
TOPS MP Operator complaint (standalone) Clearing screen
trouble Vol. 2, 1-498
TOPS MP Operator complaint (standalone) Clearing voice communication
path trouble Vol. 2, 1-503
TOPS MP Operator complaint (standalone/integrated) Clearing DA access
trouble Vol. 2, 1-513
TOPS MP Operator complaint (standalone/integrated) Clearing ORDB ac-
cess trouble Vol. 2, 1-522
TOPS MP TAMI trouble (integrated) Clearing TAMI response
failure Vol. 2, 1-531
TOPS MP TAMI trouble (standalone) Clearing TAMI response
failure Vol. 2, 1-534
TOPS MPX Operator complaint audio/headset malfunction Vol. 2, 1-540
TOPS MPX Power-on self test Vol. 2, 1-546
TOPS MPX Power-on self-test troubleshooting Vol. 2, 1-551
TOPS MPX terminal system diagnostic TOPS MPX Vol. 2, 1-558
TOPS MPX Token Ring LAN troubleshooting Vol. 2, 1-580
Troubleshooting a customer-reported failure No FRIU alarms Vol. 2, 1-625
Troubleshooting a customer-reported failure No PM alarms Vol. 2, 1-631
Updating TOPS MPX software Vol. 2, 1-638
VSLE session defaults to audio SLE Vol. 2, 1-643

DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
1-1
1 Trouble locating and clearing
procedures (continued)
The following chapter is a continuation of the trouble locating and clearing
procedures. For general information on the trouble locating and clearing
procedures refer to the introduction in Volume 1.

1-2 Trouble locating and clearing procedures (continued)
297-8021-544 Standard 14.02 May 2001
Recovering a stuck HLIU or HSLR
Application Use this procedure to recover a stuck high-speed link interface unit (HLIU) or
a high-speed link router (HSLR).
Definition An HLIU or HSLR is stuck when both F-bus taps of the individual HLIU or
HSLR are not accessible (NA).
Common procedures
None
Action This procedure contains a summary flowchart and a list of specific steps. Use
the flowchart as an overview of the procedure. Follow the specific steps to
perform the procedure.

Trouble locating and clearing procedures (continued) 1-3
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Recovering a stuck HLIU or HSLR (continued)
Summary of Recovering a stuck HLIU or HSLR
This flowchart summarizes the
procedure.
Use the instructions in the
procedure that follows this
flowchart to perform the
procedure.
Post LIM
associated with
stuck HLIU or
HSLR
Manually busy
F-bus taps
associated with
stuck HLIU or HSLR
Return F-bus
taps to service
Reseat cards
Reload HLIU or
HSLR
EndContact next
level of support
Passed?
Passed?
Y
Y
N
N1
1
1

1-4 Trouble locating and clearing procedures (continued)
297-8021-544 Standard 14.02 May 2001
Recovering a stuck HLIU or HSLR (continued)
Recovering a stuck HLIU or HSLR
At the MAP terminal
1
Access the PM level of the MAP display by typing
>MAPCI;MTC;PM
and pressing the Enter key.
2Post the system-busy not accessible HLIU or HSLR by typing
>POST HLIU SYSB
and pressing the Enter key.
or
>POST HSLR SYSB
and pressing the Enter key.
3Display the next system-busy HLIU or HSLR by typing
>NEXT
and pressing the Enter key.
4Repeat step 3 until you find the system-busy not accessible (NA) HLIU or
HSLR.
5Determine the LIM associated with the stuck HLIU or HSLR by typing
>QUERYPM
and pressing the Enter key.
Example of a MAP response:
QueryPM
PM type: HLIU PM NO.: 0 Status: SysB
LIM: 0 Shelf: 1 Slot: 8 LIU FTA 4240 1000
Default Load: HCA11AV
Running Load: HCA11AV
Potential service affecting conditions:
DANGER
Contact your next level of support
Do not attempt this procedure before contacting your next
level of support.
If the state of the HLIU or HSLR
is Do
SysB (NA) step 5
SysB step 3