Installation guide

B-5Remote Annex 4000 Hardware Installation Guide
Appendix B Cables and Connectors
Wiring for the PBX to DB25 Modem Cable Connections
Table B-2 shows the wiring for the PBX to male DB25 modem (DCE)
connectors.
Table B-2. PBX to DB25 Modem Cable Connections
(continued on next page)
PBX Pin
Remote Annex 4000
Signal DB25 Port-Pin Modem Signal
1 DCD1 P1-8 DCD1
2 GND P1-7 GND1
3 DSR1 P1-6 DSR1
4 RTS1 P1-4 RTS1
5 DCD2 P2-8 DCD2
6 GND P2-7 GND2
7 DSR2 P2-6 DSR2
8 RTS2 P2-4 RTS2
9 DCD3 P3-8 DCD3
10 GND P3-7 GND3
11 DSR3 P3-6 DSR3
12 RTS3 P3-4 RTS3
13 DCD4 P4-8 DCD4
14 GND P4-7 GND4
15 DSR4 P4-6 DSR4
16 RTS4 P4-4 RTS4
17 DCD5 P5-8 DCD5
18 GND P5-7 GND5
19 DSR5 P5-6 DSR5
20 RTS5 P5-4 RTS5
21 DCD6 P6-8 DCD6
22 GND P6-7 GND6