Instruction manual

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting
555-650-140
Issue 1
June 1997
Control Unit Problems
Page 4-4
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 ‘‘
Replacing the Power Supply’’ later in this
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