AT&T IPC-1600 Cordless Telephone User Manual


 
IPC-1600 80-Pin Headers P3 and P4
P3 and P4 are each eighty-pin, right-angle headers. The 16-Ports Fanout
Module ribbon cables connect to these headers as shown in Figure B-2.
Connector P4 is used for ports 1 through 8; connector P3 is used for ports 9
through 16. The 16-Ports Fanout Module cable assembly has two
80-conductor ribbon cables. Cable “P4” connects to header P4 (ports 1
through 8); cable “P3” connects to header P3 (ports 9 through 16).
The following table shows the signal and pin assignments for connectors
P3 and P4.
SERIAL I/O DEVICE INTERFACE B-3