Cabletron Systems 520 - Manual (Page 83)

B-3
Connectors, Adapters and Cable Connections
1 Contacts tied together.
11 Ring Indicate 12 N/C
13 RX Clock A 14 DTR A
15 TX Clock A 16 N/C
17 TX Clock A 18 N/C
19 TX Clock A 20 LBK
21 V.35 TX Clock A 22 V.35 Clock A
23 V.35 RX Data A 24 V.35 TX Data A
25 V.35 RX Clock A 26 Cable_ID<0>
27 Cable_ID<2> 28 N/C
29 DSR B 30 TX Data B
31 DCD B 32 RTS A
33 RTS B 34 CTS B
35 RX Data B 36 N/C
37 DTE Ground 1 38 RX Clock B
39 DTR B 40 TX Clock B
41 N/C 42 TX Clock B
43 N/C 44 DTR A
45 N/C 46 V.35 TX Clock B
47 V.35 Clock B 48 V.35 RX Data B
49 V.35 TX Data B 50 V.35 RX Clock B
Table B-1. 50-pin Connector Assignments
Pin Assignment Pin Assignment