Allen-Bradley PLC-5 User Manual page 362

G-2 Cable Reference
Serial Cable Pin
Assignments
Cable #1
9-pin D-Shell 25-pin D-Shell
Workstation 1770-KF2
(female) (female)
RXD 2 2
GND 5 7
TXD 3 3
DCD 1 4 RTS
DTR 4 5 CTS
DSR 6
RTS 7 6 DSR
CTS 8 8 DCD
20 DTR
11955-I
Cable #4
9-pin D-Shell 25-pin D-Shell
Workstation Modem
female) (Male)
DCD 1 8
RXD 2 3
TXD 3 2
DTR 4 20
GND 5 7
DSR 6 6
RTS 7 4
CTS 8 5
RNG 9 22
CASE 1
11959-I
Publication 1785-UM012D-EN-P - July 2005
The following diagrams show the pin assignments for the cables you need for
serial port communications.
Cable #2
25-pin D-Shell 25-pin D-Shell
Workstation 1770-KF2
(female) (female)
TXD 2 3
GND 7 7
RXD 3 2
RTS 4 4 RTS
CTS 5 5 CTS
6 DSR
DSR 6
8 DCD
DCD 8
20 DTR
DTR 20
Cable #5
9-pin D-Shell 25-pin D-Shell
Workstation Modem
(female) (Male)
RNG 1 22
TXD 2 2
RXD 3 3
RTS 4 4
CTS 5 5
DSR 6 6
GND 7 7
DCD 8 8
DTR 9 20
9-pin D-Shell
Workstation
(female)
TXD 2
GND 7
RXD 3
RTS 4
CTS 5
DSR 6
DCD 8
DTR 9
11957-I
25-pin D-Shell
Workstation
(female)
CHS 1
TXD 2
RXD 3
RTS 4
CTS 5
DSR 6
GND 7
DCD 8
DTR 20
11960-I
Cable #3
25-pin D-Shell
1770-KF2
(female)
3
7
2
4 RTS
5 CTS
6 DSR
8 DCD
20 DTR
11958-I
Cable #6
25-pin D-Shel
Modem
(Male)
1
2
3
4
5
6
7
8
20
11961-I