A System Numbering Forms - AT&T MERLIN LEGEND Communications System Release 2.0 Maintenance And Troubleshooting Manual

Figures
1
Introduction to System Maintenance
Figure 1-1.
Figure 1-2.
Figure 1-3.
Figure 1-4.
Figure 1-5.
Figure 1-6.
4 Control Unit Problems
Figure 4-1.
Figure 4-2.
Figure 4-3.
Figure 4-4.
Figure 4-5.
Figure 4-6.
A
System Numbering Forms
Figure A-1.
Figure A-2.
Figure A-3.
Figure A-4.
Removing the Control Unit Housing
Installing the Control Unit Housing
Setting up the MLX-20L Telephone
Setting up the PC
Remote Modem Setup
Maintenance Strategy
Power Supply Interlocking Post
Replacing a Ring Generator
Replacing an Auxiliary Power Unit
Module Test Process
551 T1 CSU Connection
ESF T1 CSU, DTE Loopback Switch (on Front
Panel)
Form 2a, System Numbering-Station Jacks
Form 2b, System Numbering-Digital Adjuncts
Form 2c, System Numbering-Trunk Jacks
Form 2d, System Numbering-Special
Renumbers
1-4
1-6
1-8
1-10
1-11
1-20
4-4
4-6
4-10
4-23
4-53
4-54
A-2
A-4
A-5
A-6
Contents v