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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-284CARR-POW (Carrier Port Power Unit) for DC-Powered Systems
10
Figure 10-18. Power Distribution Unit for DC-Powered Systems (PDU8890CF)
CARRIER A
FILTER
A
H
S2 S3 S1
CARRIER C
A
I
R
CARRIER B
F
L
O
W
S4
FILTER
CARRIER D
CARRIER E
A
I
R
F
L
O
W
RING
S3
GENERATOR
FANS -3 FRONT
3 BACK
D
S4
1
644A
644A
644A
644A
644A
645B
645B
645B
645B
645B
CB1-CB12 ARE
DC
DISTRIBUTION
CB10
CB9
CB8
CB12
CB6
CB7
CB3
CB2
CB1
CB4
CB5
CB11
CIRCUIT BREAKERS
LOCATED ON THE
BACK OF THE PDU