RAD Data comm ASMI-450 - Manual (Page 99)

ASMi-450 Installation and Operation Manual A-1
Appendix A
Connector Wiring
A.1 RS-530 DCE Connector and Adapter Cables
When the ASMi-450 is ordered with an RS-530 DCE interface, the physical
interface is a 25-pin female connector wired in accordance with Table A-1.
Table A-1. RS-530 DCE Connector
Pin Designation Direction Function
1 FG
↔
Frame Ground
2 SDA To ASMi-450 Send Data - wire A
3 RDA From ASMi-450 Receive Data - wire A
4 RTSA To ASMi-450 Request to Send (RTS) - wire A
5 CTSA From ASMi-450 Clear to Send (CTS) - wire A
6 DSRA From ASMi-450 Data Set Ready (DSR) - wire A
7 SG
↔
Signal Ground
8 DCDA From ASMi-450 Carrier Detect (DCD) - wire A
9 RCB From ASMi-450 Receive Clock - wire B
10 DCDB From ASMi-450 Carrier Detect (DCD) - wire B
11 SCEB To ASMi-450 Send External Clock - wire B
12 SCB From ASMi-450 Send Clock - wire B
13 CTSB From ASMi-450 Clear to Send (CTS) - wire B
14 SDB To ASMi-450 Send Data - wire B
15 SCA From ASMi-450 Send Clock - wire A
16 RDB From ASMi-450 Receive Data - wire B
17 RCA From ASMi-450 Receive Clock - wire A
18 LL To ASMi-450 Local Loopback (V.54 Loop 3)
19 RTSB To ASMi-450 Request to Send (RTS) - wire B
20 DTRA/RCEA To ASMi-450 Data Terminal Ready(DTR) - wire A/Receive External Clock - wire
A
21 RL To ASMi-450 Remote Loopback (V.54 Loop 2)
22 DSRB From ASMi-450 Data Set Ready (DSR) - wire B
23 DTRB/RCEB To ASMi-450 Data Terminal Ready (DTR) - wire B/Receive External Clock - wire B
24 SCEA To ASMi-450 Send External Clock - wire A
25 TM From ASMi-450 Test Indicator