User manual

Computer Gateway User Manual B-12 5/96
B.2.11
B.2.11 RS-232C Loopback Connector
• Male connector
• Connects channels 0 to 1 and 2 to 3 for CLIF test 14
Function Connections in the male connector
Transmitted data
Received data
Request to send
Clear to send
Data set ready
Received line signal detector
Line present (not RS-232C spec)
Logic ground
Clock Source
Transmit clock
Receive clock
Data terminal ready
Clock source
Shield ground
Signal ground/common return
not used
not used
not used
not used
not used
not used
not used
not used
not used
not used
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Figure B-11 — RS232C Loopback Connector 3229