User manual

Publication AG-UM008C-EN-P - February 2005
A-6 Modem Cable Reference
1785-KE Module
Use Allen-Bradley cable A-B 1770-CP to connect a 1785-KE module to
a modem.
Figure A.5 1785-KE Module to Modem Cable Pin Assignment
COMM
CONTROL
DH+
DH+
RS-232
modem
1785-KE
15-pin male 25-pin 9-pin
C.GND 1 1 NC
TXD.OUT 2 2 3
RXD.IN 3 3 2
RTS.OUT 4 4 7
CTS.IN 5 5 8
DSR.IN 6 6 6
SIG.GND 7 7 5
DCD.IN 8 8 1
DTR.OUT 11 20 4
20