Nortel 1700, Installing Manual

Page: 85 / 94

Appendix A Technical specifications 85
Installing the Contivity 1700
Table 27 provides the DB26-to-V.35 cable pinouts.
Table 27 DB26-to-V.35 cable pinouts
Standard-wired end
26-pin male
Signal name
Pair number
and conductor
Special-wired end
34-pin male
2 TDA pair 1A P
14 TDB pair 1B S
3 RDA pair 2A R
16 RDB pair 2B T
24 ETA pair 3A U
11 ETB pair 3B W
17 RCA pair 4A V
9 RCB pair 4B X
15 TCA pair 5A Y
12 TCB pair 5B AA
4 RTS pair 6A C
pair 6B no conn
5 CTS pair 7A D
pair 7B no conn
6 DSR pair 8A E
pair 8B no conn
8 DCD pair 9A F
pair 9B no conn
20 DTR pair 10A H
pair 10B no conn
7 SGND pair 11A B
pair 11B no conn
1 CGND pair 12A A
pair 12B no conn