Power Supply - Avaya Definity SI Maintenance Manual

CARR-POW (Carrier Port Power Unit) for DC-Powered
Systems

Power Supply

644A
645B
TN736
TN752
TN755B
Figure 10-18. Power Distribution Unit for DC-Powered Systems (PDU8890CF)
555-233-123
+5V -48V
yes no
no yes
no no
no no
no no
S2 S3 S1
CB10
644A CARRIER C
CB9
CARRIER B
644A
CB8
644A CARRIER A
FILTER
A
S4 S4
H
D
1
FILTER
CB11
CARRIER D
644A
CB12
644A CARRIER E
CB6
RING
DC
GENERATOR
DISTRIBUTION
CB7
POWER DISTRIBUTION UNIT
-5V 165V Cabinet Position
no no Left Side
yes no Right Side
yes no
yes yes
no yes
A
CB3
645B
I
R
F
L CB2
645B
O
W
CB1
645B
FANS -3 FRONT
CB4
A
645B
I
R
F
CB5
L
645B
O
W
CIRCUIT BREAKERS
CB1-CB12 ARE
LOCATED ON THE
BACK OF THE PDU
S3
Issue 4 May 2002
-
-
-
3 BACK
10-379