Oc3/Stm-1 I/O Interface Removal And Replacement - Alcatel MDR-8000 User Manual

OC3/STM-1 I/O INTERFACE REMOVAL AND REPLACEMENT

5.12
Use this procedure to remove and replace DX-35P OC3/STM-1 I/O Interface module.
a
If radio is protected (hot-standby, space diversity, or frequency diversity,
use front panel
XMTR, RCVR, and I/O (opposite side from failed I/O) on line.
b
On front panel of controller module, press and hold
in ACO LT
front of controller flash (approximately 5 seconds wait).
c
Release
d
Disconnect fiber optic cables.
e
Remove I/O Interface module from shelf.
f
Install replacement I/O Interface module in shelf.
g
Connect fiber optic cables.
h
On AE-37( ) Controller, toggle OVRD switch to disable override (unlocks
on-line XMTR and restores automatic switching functions).
i
STOP. This procedure is complete.
5-34
controls on AE-37( ) Controller to lock on-line
OVRD
(lamp test) position until
switch.
ACO LT/OVRD
ACO LT/OVRD
TX, RX , and I/O On LINE
switch
LEDs on