Rockwell Automation 1785-Vx0B, D17856.5.9 PLC-5 VME VMEbus Programmable Controllers User Manual - Manual (Page 261)

Cable Connections
Appendix E
E-6
The following diagrams show the pin assignments for the cables that you
need for serial-port communications.
Cable #1
25-pin SKT
1770-KF2
RXD 2
GND 5
TXD 3
DCD 1
DTR 4
DSR 6
RTS 7
CTS 8
2
7
3
4 RTS
5 CTS
6 DSR
8 DCD
20 DTR
9-pin SKT
IBM AT
Cable #2
25-pin SKT
1770-KF2
TXD 2
GND 7
RXD 3
RTS 4
CTS 5
DSR 6
DCD 8
DTR 20
3
7
2
4 RTS
5 CTS
6 DSR
8 DCD
20 DTR
25-pin SKT
IBM XT
Cable #3
25-pin SKT
1770-KF2
TXD 2
GND 7
RXD 3
RTS 4
CTS 5
DSR 6
DCD 8
DTR 9
3
7
2
4 RTS
5 CTS
6 DSR
8 DCD
20 DTR
9-pin SKT
Computer
Cable #4
9-pin SKT
IBM AT
25-pin
Modem
DCD 1
RXD 2
TXD 3
DTR 4
GND 5
DSR 6
RTS 7
CTS 8
RNG 9
CASE
8
3
2
20
7
6
4
5
22
1
9-pin SKT
Computer
25-pin
Modem
RNG 1
TXD 2
RXD 3
RTS 4
CTS 5
DSR 6
GND 7
DCD 8
DTR 9
22
2
3
4
5
6
7
8
20
Cable #5
25-pin SKT
Computer
25-pin
Modem
CHS 1
TXD 2
RXD 3
RTS 4
CTS 5
DSR 6
GND 7
DCD 8
DTR 20
1
2
3
4
5
6
7
8
20
Cable #6
(female) (female) (female) (female) (female) (female)
(female) (male) (female) (male) (female) (male)
Cable Pin Assignments