Carrier Backplane Connectors - Paradyne Compshere 3000 Series Installation Manual

Carrier Backplane Connectors

The center connectors are P19 and P20. These
connectors supply low ac or dc voltage from the power
supply unit to the COMSPHERE 3000 Series Carrier's
backplane.
Connectors on the COMSPHERE 3000 Series Carrier Backplane
Connectors Connectors
for Slots 1–8 for Slots 9–16
P21 P22
P23 & P24 P25 & P26
J1 J2
Figure A-4. Connectors on the COMSPHERE 3000 Series Carrier Backplane
3000-A2-GA31-D0
Table A-12
This 50-pin connector provides the digital or 4-wire and 2-wire leased-line interface
for DCEs (DSUs and dial/lease modems).
These connectors are used by the Network Interface Modules (NIMs) to provide the
dial interface through a 50-pin connector for dial/lease modems.
This 26-pin high-density D-type connector provides the D-lead control interface for
dial/lease modems. (Refer to
P20 P19
P26 P25
J2 P22
Table A-12 provides descriptions of the connectors on
the right and left side of the carrier's backplane.
Figure A-4 illustrates the connectors on the
COMSPHERE 3000 Series Carrier backplane.
Function
Table A-13 for pin assignments).
P24 P23
J1 P21
July 1999
Pin Assignments
496-13861-03
A-7