Troubleshooting guide

58  Hardware Configuration Reference Guide
9399-C14
This cable connects the 9-pin serial port to the 25-pin port on the 1771-DB
module. This cable comes with an adapter for use with 9- or 25-pin serial ports on
the computer.
7
2
3
4
1
6
5
2
1
3
Frame Ground
25-Pin Male9-Pin Female
5
4
6
7
8
12
9
3
21 3 4
1514 16 17
65 7 8
1918 20 21
109 11 12
2322 24 25
13