Alcatel-Lucent MDR-8000, User Manual, Page: 119 / 130

5-61
5.22
RCVR REMOVAL AND REPLACEMENT
Use this procedure to remove and replace UD-36() RCVR.
This is an out-of-service procedure when on a nonstandby
(unprotected) system. On a hot-standby, space diversity, or fre-
quency diversity system, switch traffic on the channel under
test to protect. Use front panel OVRD controls on AE-37() Con-
troller to switch and lock opposite side RCVR (opposite side
from failed RCVR) on line.
a
On RCVR module, disconnect cable from RF In connector.
b
Remove RCVR module from card cage.
c
On RCVR module being replaced, remove RCVR Crystal Oscillator
Subboard. See Figure 5
- 22. Retain for installation on replacement
module.
d
On RCVR module being replaced, remove RCVR Capacity Key.
See Figure 5 - 23. Retain for installation on replacement module.
e
On replacement RCVR module, install RCVR Crystal Oscillator
Subboard. See Figure 5
- 22.
f
On replacement RCVR module, install RCVR Capacity Key.
See Figure 5 - 23.
g
Install replacement RCVR module in card cage.
h
Is RCVR equipped with front panel Freq Cont.?
If yes, go to step i
If no, go to step j.
i
Perform RCV Crystal Oscillator Frequency checks and adjustment
procedure. Refer to Para. 5.23.
j
Stop. This procedure is complete.
CAUTION
Possibi l ity of
Service
I n terr u ptio n