User manual

Technical Reference
Campus-RS Fractional Interface Card User Manual A-5
RS-449
RS-449 Straight Cable Pinouts
Pin Mnemonic Description Direction
A* B†
1 Shield Ground
19 SG Signal Ground Ground
37 SC Send Common Ground
20 RC Receive Common Ground
4 22 SD Send Data To DCE
6 24 RD Receive Data From DCE
7 25 RS Request to Send To DCE
9 27 CS Clear to Send From DCE
11 29 DM Data Mode From DCE
12 30 TR Terminal Ready To DCE
13 31 RR Receiver Ready From DCE
17 35 TT Terminal Timing To DCE
5 23 ST Send Timing From DCE
8 26 RT Receive Timing From DCE
10 LL Local Loopback To DCE
14 RL Remote Loopback To DCE
18 TM Test Mode From DCE
* Pins provide a non-inverted signal.
† Pins provide an inverted signal.