Installation guide

Appendix A: PORT PIN/SIGNAL ALLOCATIONS
A-2 CSMIM-T1 Hardware Installation Guide
A.3 INTERFACE PORTS
The T1 Network interface port is used to connect the T1 line to the
CSMIM-T1. The Drop/Insert interface is used to connect the CSMIM-T1
to other equipment, such as a PBX.
Table A-2 Network Interface Port Pin/Signal Allocations
Table A-3 Drop and Insert Interface Port Pin/Signal Allocations
Table A-3 describes the wiring for the following connectors:
• DTE (Cabletron part number 9372074) for DB25 female
• DTE (Cabletron part number 9372082) for DB25 male
• DTE (Cabletron part number 9372076) for DB9 female
• DCE (Cabletron part number 9372083) for DB25 female
Pin Signal
1 RXD (RING)
2 RXD (TIP)
3 Unused
4 TXD (RING)
5 TXD (TIP)
6 Unused
7 Unused
8 Unused
Pin Signal
1 TXD (RING)
2 TXD (TIP)
3 Unused
4 RXD (RING)
5 RXD (TIP)
6 Unused
7 Unused
8 Unused