Rockwell Automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM - Manual (Page 285)

Publication AG-UM008C-EN-P - February 2005
Configuring Modems 8-19
Cable Pin Assignments
The Model 166-100 requires a RS-232 9-pin D-shell female connector
with the pin assignments shown below or these MARC cable
assemblies:
•
127-070 (1747-KE to MARC 166-100)
•
127-077 (SLC 5/03, 5/04 or 5/05 to MARC 166-100)
Figure 8.11 MARC, Inc. Model 166-100
Table 8.18 MARC, Inc. Model 166-100 Pin Assignments
MARC #166-100
Ports 1 and 2
9-pin D male
RJ11 jack
3 Tip (red wire)
4 Ring (green wire)
To Allen-Bradley SLC 5/03,
5/04, and 5/05 or 1747-KE
Modem
9-pin male
Pin Name Pin Name SLC
9-pin male
1747-KE
9-pin male
2 RXD.OUT — RXD.IN 2 2
3 TXD.IN — TXD.OUT 3 3
4 DTR.IN — DTR.OUT 4 4
5 SIG.GND — SIG.GND 5 5
6 DCD.OUT — DCD/DSR.I
N
1 (1) 6
7 RTS.IN — RTS.OUT 7 7
8 CTS.OUT — CTS.IN 8 8
(1) Pin 4 is jumpered (within the connector) to pin 6.