User's Manual

5-32
Chart 3 I/O Interface Removal and Replacement
PURPOSE
Use this procedure to remove and replace DX-35( ) I/O Interface module.
SPECIAL TOOLS REQUIRED
None
STEP PROCEDURE
Wear ground straps according to local office procedures.
This is an out-of-service procedure when on a nonstandby (unpro-
tected) system. On a hot-standby or frequency diversity system, switch
traffic on the channel under test to protect.
1 Is radio protected (hot-standby or frequency diversity)?
If yes, go to step 2.
If no, go to step 3.
2 Use front panel OVRD controls on AE-37( ) Controller to lock on-line
XMTR, RCVR, and I/O (opposite side from failed I/O) on line.
3 Do you want to remove or install I/O interface module?
If remove, go to step 4.
If install, go to step 9.
REMOVE:
4
Is I/O interface module DX-35P OC3 I/O Interface?
If yes, go to step 7.
If no, go to step 8.
WARNING
Possibility of
Damage
to Equipment
CAUTION
Possibility of
Service
Interruption