Nortel DMS-100 Series User manual

297-8353-550
DMS-100 Family
Star Remote System
Star Remote System Maintenance Manual
XPM15 and up Standard 05.01 March 2001

DMS-100 Family
Star Remote System
Star Remote System Maintenance Manual
Publication number: 297-8353-550
Product release: XPM15 and up
Document release: Standard 05.01
Date: March 2001
Copyright © 1998-2001 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 users 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 Star Remote System XPM15 and up
iii
Contents
Star Remote System Maintenance Manual
About this document ix
How to check the version and issue of this document ix
References in this document ix
What precautionary messages mean x
How commands, parameters, and responses are represented xi
Input prompt (>) xi
Commands and fixed parameters xi
Variables xi
Responses xi
1 Star Remote System introduction 1-1
Introduction to the Star Remote System 1-1
Star Hub introduction 1-1
Star Module overview 1-5
Advantages of the Star Remote System 1-5
2 Star Remote System hardware 2-1
Introduction 2-1
Star Hub 2-1
Star Remote Hub Equipment frame 2-3
Control shelf hardware configuration 2-5
Frame supervisory panel 2-16
Line drawer shelf 2-20
POTS line drawer (NT6X05AA) 2-22
ISDN line drawer for remotes (NT6X05DA) 2-29
1-Meg Modem Service 2-34
Star Module 2-40
TSS hardware configuration 2-41
Star Module 2-56
Line termination unit 2-63
3 Signaling for the Star Remote System 3-1
Introduction 3-1
Voice and data communications 3-1
DS-1 Superframe format 3-1
Superframe format signaling 3-2

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297-8353-550 Standard 05.01 March 2001
Extended superframe format signaling 3-4
ISDN BRI signaling 3-6
Communication protocol 3-7
HDLC-based Q.921 CCITT LAPD protocol 3-7
Signaling functions and capabilities 3-8
Star Hub signaling links 3-8
Star Remote System service capabilities 3-9
Call origination 3-9
Tone generation 3-9
Digit collection 3-10
End-to-end signaling 3-10
Ringing 3-11
ESA signaling 3-11
MBS signaling 3-12
Custom local area signaling service 3-13
1-Meg Modem Service supported protocols 3-13
DBIC 3-14
xLC and loop 3-15
1-Meg Modem 3-15
4 Star Remote System automatic maintenance 4-1
Automatic maintenance 4-1
Star Hub audits 4-2
Checksums 4-3
Star Hub to host PM speech path diagnostics 4-3
Star Hub to RCC2 speech path diagnostics 4-5
Speech path diagnostic program for the RCC2 4-5
RCC2 P-side link diagnostic program 4-6
Overload resources 4-6
Takeover capability 4-7
Star Hub talk battery audit 4-8
ESA capability 4-15
Drawer testing 4-16
BIC relay test 4-18
Subscriber lines automatic maintenance 4-25
LCM REXTEST 4-25
System REX controller 4-27
Star Module maintenance 4-32
Star Module audits 4-34
5 ESA maintenance overview 5-1
Functional description 5-1
ESA entry 5-2
ESA call processing 5-3
ESA translation data 5-9
Supported subscriber line types 5-10
Supported subscriber services 5-12
Exiting ESA mode 5-13
Ringing during ESA mode 5-16
Treatments during ESA mode 5-16

Contents v
DMS-100 Family NA100 Star Remote System XPM15 and up
ESA limits 5-16
Fault conditions 5-18
Unusable communication links 5-18
Looparound message audit failure 5-18
Automatic ESA maintenance 5-19
ESA line audits 5-19
Digitone receiver audit 5-20
Automatic static data downloading and system maintenance 5-20
Routine exercise test 5-20
Escalation to manual maintenance 5-21
Loading ESA static translations data 5-22
Manual exit 5-23
LTC maintenance to prevent ESA mode 5-23
6 Star Remote System user interface 6-1
Obtaining help at the MAP terminal 6-2
Understanding command syntax 6-2
CI level user interface 6-3
NAG command 6-3
Line Equipment Number Query 6-4
Scan points and distribution points (SCSD) test tool for RLD/HUB 6-5
PM level user interface 6-5
PM states 6-6
STAR level user interface 6-6
ILD menu descriptions 6-11
QUERYPM command 6-14
RLD level user interface 6-16
RLDPES level user interface 6-20
RLDCarr level 6-23
TSTEQUIP level user interface 6-27
UMP level 6-27
LMU level 6-29
LNS level user interface for the Star Remote System 6-31
LTP level 6-31
EXT level user interface 6-41
TRKS level user interface 6-42
7 Star Remote System manual maintenance 7-1
Troubleshooting methods 7-1
Monitoring performance indicators 7-2
Operational measurements 7-2
Log reports 7-2
Alarms 7-2
Star Hub alarms 7-3
Star Hub alarm reporting 7-8
Star Module alarms 7-10
Star Module log reports 7-14
Locating and clearing faults 7-17
Performing fault isolation tests 7-17
Faulty line drawer 7-18

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297-8353-550 Standard 05.01 March 2001
Faulty shelf circuit pack 7-18
Faulty line card 7-18
Faulty DS-1 link 7-19
Faulty ringing generator (RG) frequency generator circuit 7-20
Load file mismatch 7-20
Monitoring results of diagnostic tests 7-20
Bit error rate performance testing 7-20
XPM bit error ratio test 7-21
Entering XBERT 7-22
Testing subscriber lines 7-22
Automatic line testing 7-23
Station testing 7-23
Manual line testing 7-23
Connection to metallic test access 7-24
Line testing from a test desk 7-26
LMU connections in the Star Module 7-34
Digital test access line testing for Star Module ISDN lines 7-36
8 Troubleshooting chart 8-1
Troubleshooting actions 8-1
9 Star Remote System power up and power down
procedures 9-1
Power up and power down procedures 9-1
Star Hub 9-1
Common procedure 9-2
Star Module 9-3
10 Star Remote System recovery procedures 10-1
Star Hub recovery procedure 10-2
11 Star Remote System alarm clearing procedures 11-1
Ext FSP SRHE frame major 11-2
PM STAR critical 11-16
PM STAR major 11-29
PM STAR minor 11-40
PM STAR RG critical 11-60
PM STAR RG major, minor 11-68
STAR talk battery critical 11-78
12 Star Remote System card replacement procedures 12-1
NT6X17 in a STAR or RLD 12-2
NT6X18 in a STAR or RLD 12-6
NT6X19 in a STAR or RLD 12-10
NT6X20 in a STAR or RLD 12-14
NT6X21 in a STAR or RLD 12-18
NT6X53 in a STAR 12-22
NT6X54 in a STAR 12-28
NT6X71 in a STAR or RLD 12-37

Contents vii
DMS-100 Family NA100 Star Remote System XPM15 and up
NT6X76 in a STAR or RLD 12-41
NT6X99 in a STAR or RLD 12-48
NTBX27 in a STAR or RLD 12-52
NTEX17 in a STAR 12-59
NTEX54 in a STAR 12-69
NTMX81 in a STAR 12-86
NTTR46 in an RLD 12-100
NTTR47 in an RLD 12-106
NTTR60 in a STAR 12-112
NTTR66 in an RLD 12-119
NTTR67 in an RLD 12-125
NTTR70 in an RLD 12-132
NTTR71 RLD 12-139
NTTR72 in an RLD 12-144
NTTR73 in a STAR 12-150
NTTR74 in a STAR 12-154
NTTR75 in a STAR 12-160
NTTR76 in a STAR 12-168
NTTR77 in a STAR 12-177
NTTR87 in a STAR 12-184
Replacing a card STAR or RLD 12-197
Replacing a line card STAR or RLD 12-203
13 Star Remote System routine maintenance procedures 13-1
Battery inspection and cleaning Star Module 13-2
Battery replacement Star Module 13-5
Fan cleaning and testing SRMO 13-8
Fan replacement SRMO 13-11
GFCI check SRMO 13-14
Heater element replacement SRMO 13-17
Heaters test SRMO 13-22
High temperature alarm test SRMO and SRME 13-25
Inspecting spare fuse holders STAR 13-28
Low temperature alarm test SRMO and SRME 13-31
Testing ac/dc rectifier voltages RLD 13-34
Testing power converter voltages STAR 13-37
Testing wrist strap grounding cords STAR 13-40