User Guide

Using the 8-port TokenSpeed and TokenSpeed/MCP Switch Modules
B-14 893-01019-A
Table B-4 shows the connections for a female DB-25 to female DB-9 adapter.
Table B-4. Female DB-25 to female DB-9 adapter
Female DB-25 pin
locations
Female
DB-25 pin
numbers
Signal
Female DB-9
pin numbers
Female DB-9
pin locations
8 Data carrier detect 1
3 Receive data 2
2 Transmit data 3
20 Data terminal ready 4
7 Signal ground 5
6 Data set ready 6
4 Request to send 7
5 Clear to send 8
22 Ring indicator 9
13 1
25
14
7579EA
5
6
9
1
7578EA
TKNSPD.BK Page 14 Thursday, July 17, 1997 11:43 AM