Rockwell Automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM - Manual (Page 302)

Publication AG-UM008C-EN-P - February 2005
8-36 Configuring Modems
MDS Model 2100 and 4100 Master Stations
Models 2100 and 4100 are full-duplex, multiple address, master
radio stations.
Cable Pin Assignments
Each of these models requires a 25-pin male connector with the
following pin assignments:
Figure 8.22 MDS Model 2100 and Model 4100 Master Stations
"B" power "A" power
DCE DTE ANT TX RX
LOAD
RS-232 data port
RS-232 diagnostics port
RS-232 data port
Female DB 25-pin
connector
Male DB 25-pin
connector
Table 8.30 MSD Model 2100 and 4100 Pin Assignments
Modem
25-pin female
Pin Name Pin Name PLC-5
25-pin female
SLC
9-pin male
1 Protective GND — Shield 1 CASE
2 TXD.IN — TXD.OUT 2 3
3 RXD.OUT — RXD.IN 3 2
4 RTS.IN — RTS.OUT 4 7
5 CTS.OUT — CTS.IN 5 8
6 DSR.OUT — DSR.IN 6 6
7 SIG.GND — SIG.GND 7 5
8 DCD.OUT — DCD.IN 8 1