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COMSPHERE –48 Vdc Central Office Power Unit
A-2 May 1998 3000-A2-GB41-40
J1
P6 P3
P1
–48VDC A
P5
–48VDC B
ALARM B
ALARM A
P4
P2
1
1
8
1
1
1
1
8
1
Network
Management
Connector
P6
Connector
P3
Connector
–48 Vdc A
Connector
Alarm
A
Alarm
B
–48 Vdc B
Connector
496-13699-0
1
–48 Vdc
Common
–48 Vdc
Common
Figure A-1. CO Power Unit (Rear)
Table A-1
Pin Assignments of the DC Inputs
Pin Number
Assigned To ...
1 –48V
2 –48V CO ground return
The backplane connector is a Universal MATE-N-LOK
connector (AMP part number 350428-1). The
corresponding supplied connector housing is also a
Universal MATE-N-LOK connector (AMP part
number 1-480698-0). Table A-2 lists AMP part numbers
for the individual contacts that can be used for various
wire sizes. Figure A-2 illustrates the connector housing
and contact.