REPAIR/REPLACEMENT PROCEDURES
AC TRANSFER MODULE REPLACEMENT
7 - 2 I-E96-506B1
®
AC TRANSFER MODULE REPLACEMENT
NOTES:
1. The AC transfer module can be removed under power if line
one is verified operational and within tolerance.
2. The bus monitor module goes off-line when the AC transfer
module is removed. The bus monitor module
must be
removed
first
. Then remove the AC transfer module.
To replace the AC transfer module:
1. Turn the 2 thumbscrews 1/2-turn to release the bus moni-
tor module faceplate. Pull on the faceplate to slide the module
out.
2. Turn the 2 thumbscrews 1/2-turn to release the AC trans-
fer module faceplate. Pull on the faceplate to slide the module
out.
3. Set switch S1 on the replacement to match the setting of
the ATM module just removed.
4. Insert the replacement AC transfer module. Grasp it by the
faceplate. Align the top and bottom edges of the circuit board
with the guides in the panel.
5. Hold the module by the faceplate and slide it into the slot;
push until the rear edges are firmly seated in the backplane
connectors.
6. Reinsert the bus monitor module. Grasp it by the faceplate.
Align the top and bottom edges of the circuit board with the
guides in the panel.
7. Hold the module by the faceplate and slide it into the slot;
push until the rear edges are firmly seated in the backplane
connectors.
8. Latch both modules in place by turning the faceplate
thumbscrews 1/2-turn.
PFI cable
(cont.)
6637813_1 Connects IEPEP03 to system power bus bar
Power entry panel IEPEP01 Single AC feed with no circuit breaker
IEPEP02 Single AC feed with circuit breaker
IEPEP03 Redundant AC feed with circuit breakers
Node status output cable 66334205_1 Connects IEPEP01/02/03 to INBIM02 or
INPTM01
Table 7-1. Spare Part Numbers and Description
(continued)
Description Part No./Nomenclature Remarks
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