Rockwell Automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM - Manual (Page 345)

Publication AG-UM008C-EN-P - February 2005
Modem Cable Reference A-7
MicroLogix Use A-B 1761-PM02 Series B (or higher) (MicroLogix Mini-DIN to
9-pin female connector) to connect a MicroLogix serial port to a
modem through an optical isolator.
Figure A.6 MicroLogix Channel 0 Serial Port to Modem Cable Pin Assignment
MicroLogix Optical Isolator Modem
8-pin Mini DIN 9-pin Female 9-pin Male 9-pin or 25-pin
5 DCD DCD 1 1 1 8
4 RXD RXD 2 2 2 3
7 TXD TXD 3 3 3 2
2 GND GND 5 5 5 7
DTR 4 4 4 20
DSR 6 6 6 6
3 RTS RTS 7 7 7 4
6 CTS CTS 8 8 8 5
20187
8-pin Mini Din
9-pin D-shell
5
4
3
2
1
9
8
7
6
1 2
3
4
5
6 7 8
1761-CBL-PM02 Series B Cable
A-B cable
Standard A-B cables:
•
1761-CBL-PM02 Series B or
Higher (6.5 feet)
•
1761-CBL-AP00 (17.7 inches)
User supplied modem
cable
User supplied cable Optical Isolator