Installation guide

B-3Remote Annex 4000 Hardware Installation Guide
Appendix B Cables and Connectors
Table B-1. PBX to DB25 Terminal Cable Connections
(continued on next page)
PBX Pin
Remote Annex 4000
Signal DB25 Port-Pin Terminal Signal
11 DSR3 P3-20 DTR3
12 RTS3 P3-5 CTS3
13 DCD4 P4-20 DTR4
14 GND P4-7 GND4
15 DSR4 P4-20 DTR4
16 RTS4 P4-5 CTS4
17 DCD5 P5-20 DTR5
18 GND P5-7 GND5
19 DSR5 P5-20 DTR5
20 RTS5 P5-5 CTS5
21 DCD6 P6-20 DTR6
22 GND P6-7 GND6
23 DSR6 P6-20 DTR6
24 RTS6 P6-5 CTS6
26 RXD1 P1-2 TXD1
27 TXD1 P1-3 RXD1
28 DTR1 P1-6, P-8 DSR1, DCD1
29 CTS1 P1-4 RTS1
30 RXD2 P2-2 TXD2
31 TXD2 P2-3 RXD2
32 DTR2 P2-6, P-8 DSR2, DCD2
33 CTS2 P2-4 RTS2
34 RXD3 P3-2 TXD3
35 TXD3 P3-3 RXD3