Lucent Technologies SLC 5 Series - Page 218

363-205-401 Power Up:
Issue 7, March 1997 Page 1 of 2
DLP-531
Install Alarm/Fan Control Unit (A/FCU)
in Optics Power Shelf
1.
!
CAUTION:
Fan operation is essential to prevent system failures in those Series 5
RTs engineered and installed with fans.
Get one
A/FCU
(
AUA402
) and inspect for possible damage.
2. Insert
A/FCU
into
A/FCU
slot in optics power shelf.
3. Press
FAN TEST
button on
A/FCU
.
Response: All fans should operate while button is pressed.
4. Do all fans operate while
FAN TEST
button is pressed?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
5.
5. Is −
48V FAN H
or −
48V FAN L
fuse on
BFU1
or
BFU2
blown?
If
YES,
then continue with Step
6.
If
NO,
then proceed to Step
11.
6. Replace blown fuse(s) on
BFU
.
7. Press
FAN TEST
button on
A/FCU
.
Response: All fans should operate while button is pressed.