User manual

61200261L1-1 ATLAS Quad USSI Module User Manual B-1
Appendix B
Pinouts
This appendix contains the pinout tables for the following wiring:
• EIA-530
• EIA-530A
•RS-449
•RS-232
• CCITT x.21 (V.11)
• DB-78 connector
Table B-1. Pinout for EIA-530 Cable
Pin Signal Description Pin Signal Description
1
Shield (Ground)
13
Clear to Send (B)
2
Transmit Data (A)
14
Transmit Data (B)
3
Received Data (A)
15
Transmit Clock (A)
4
Request to Send (A)
16
Received Data (B)
5
Clear to Send (A)
17
Receive Clock (A)
6
DCE Ready (A)
18
Local LoopBack*
7
Signal Ground
19
Request to Send (B)
8
Carrier Detect (A)
20
DTE Ready (A)
9
Received Clock (B)
21
Remote Loopback*
10
Carrier Detect (B)
22
DCE Ready (B)
11
Ext. Transmit Clock (B)
23
DTE Ready (B)
12
Transmit Clock (B)
24
Ext. Transmit Clock (A)
25
Test Mo de*
* Ignored by Quad USSI Module