user manual

DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-228CABINET (Cabinet Sensors)
10
Figure 10-11. Multicarrier Cabinet Environment Components (CABINET)
[Variable Speed Fan Option]
Replacement Procedures for AHD1 Fan Speed
Controller Circuit Packs and Fans
AHD1 Fan Speed Controller Circuit Pack
Replacement Procedure
NOTE:
The procedures in this section pertain only to non-variable speed
(standard) fans.
631
DA
CARRIER A
FILTER
A
H
631
DA
631
DB
631
DB
CARRIER B
F
L
O
W
S4
FILTER
AC
AC
AC
A
FANS -3 FRONT
3 BACK
F1
D
S4
1
S2 S3 S1
631
DA
AC
F3
CARRIER C 631
A
I
R
DB
AC
F2
631
DA
631
DA
631
DB
631
DB
F4
CARRIER D
CARRIER E
I
R
F
L
O
W
DC
FUSE F1-F7
F5
F6 F7
DC
BATTERY
CHARGER
BATTERY &
AC
DIST.
RING
S3
GENERATOR
ON BACK OF
PDU, FUSE
F9 ON FRONT
OF PDU
F9
POWER DISTRIBUTION UNIT