Cabletron Systems 520 - Manual (Page 94)

Connectors, Adapters and Cable Connections
B-14
1 Contacts tied together.
Table B-8: V.28/EIA232 Cable Connections (BC12L-06)
From Pin
Connector (P1) To V.24/EIA232
Pin Connector
(P2) Signal Name
1, 2 – Code Ground 1
4 6 DSR A
6 8 DCD/I A
7 2 TX Data
9 5 CTS A
10 3 RX Data A
11 22 Ring Indicate
13 17 RX Clock A
17 15 TX Clock A
18 25 Test Indicate
19 24 Clock
20 18 Local Loop
32 4 RTS
12, 29, 31, 34, 35, 37,
38, 42 7 DTE Ground 1
41 23 Speed Select
44 20 DTR
45 21 Remote Loop