Troubleshooting guide

Communication cables  51
9399-C7
This cable connects an IBM AT to the 1770 T3 terminal.
8
7
6
5
4
3
20
2
4
1
5
6
8
7
3
2
9-Pin Female 25-Pin Male
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