Paradyne COMSPHERE 3000 Series Installation Manual page 90

Connectors on the COMSPHERE 3000 Series Carrier's Backplane
Connectors
P19, P20
P21
P22
P23, P24
P25, P26
J1
Figure A-3. Connectors on the COMSPHERE 3000 Series Carrier Backplane
3000-A2-GA31-80
Table A-11
These connectors supply low voltage ac or low voltage dc from the power supply
unit onto the COMSPHERE 3000 Series Carrier's backplane.
This 50-pin connector provides the digital or 4-wire and 2-wire leased-line
interface for DCEs (DSUs and dial/lease modems) in Slots 1 through 8.
This 50-pin connector provides the digital or 4-wire and 2-wire leased-line
interface for DCEs (DSUs and dial/lease modems) in Slots 9 through 16.
These connectors are used by the Network Interface Modules (NIMs) to provide
the dial interface through a 50-pin connector for dial/lease modems in Slots 1
through 8.
These connectors are used by the Network Interface Modules (NIMs) to provide
the dial interface through a 50-pin connector for dial/lease modems in Slots 9
through 16.
This 26-pin high-density D-type connector provides the D-lead control interface
for dial/lease modems in Slots 1 through 8.
December 1994
COMSPHERE Interface Connections
Function
A-9