Avaya Definity SI Maintenance Manual page 1167

CARR-POW (Carrier Port Power Unit) for DC-Powered
Systems
Figure 10-20. Power Distribution Unit for DC-Powered Systems
(PDU8890CF-1)
555-233-123
S2 S3 S1
Carrier C
644A
CB3
Carrier B
644A
Carrier A
CB1
644A
A
S4
H
D
1
Carrier D
644A
CB5
Carrier E
644A
DC
Ring Generator
CB6
Distribution
Power Distribution Unit
a
645B
i
r
f
l
645B
o
w
645B
Filter
S4
Filter
a
645B
i
r
f
l
645B
o
w
Circuit Breakers
CB1-CB5 are
located on the
back of the PDU
S3
Issue 4 May 2002
CB2
CB1
Fans 3 Front
3 Back
CB4
10-381