User manual

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
5DCD DCD1 1 1 8
4RXD RXD2 2 2 3
7TXD TXD3 3 3 2
2GND GND5 5 5 7
DTR 4 4 4 20
DSR 6 6 6 6
3RTS RTS7 7 7 4
6CTS CTS8 8 8 5
20187
8-pin Mini Din
9-pin D-shell
5
4
3
2
1
9
8
7
6
12
3
4
5
678
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