Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual page 94

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Control Unit Problems
Power Supply Problems
Figure 4-1. Power Supply Interlocking Post
If the interlocking post is not broken, reinstall the power supply;

follow Steps 5–8 in
chapter.
Replacing the Ring Generator
If tip/ring devices (such as single-line telephones, fax machines, and answering
machines) do not ring, and an older 012 module is installed, try the procedure
below.
Interlocking Post
''Replacing the Power Supply''
Issue 1
June 1997
Page 4-4
later in this