Instruction Manual

Constructing RS-232-C and
Longline Cables
Appendix A
A-11
Figure A.15
A
longline connection from a 1771KE, 1771KF, or 1771KG module to a
1773KA or 1775KA module.
2
14
3
13
4
5
6
8
11
1
3
25
2
4
5
1
6
8
20
7
15-pin Male
Connector
R S -2 3 2 -C
PORT Connector
of 1771-KE,
1771-KF, or
1771-KG
Module
RS-232-C
PORT Connector
of 1773-KA
or 1775-KA
Module
25-pin Male
Connector
Connect the shield
at one end only
User-supplied cable,
Belden 8723, or Equivalent
(7000 ft. max)
NOTE: User supplied male connectors
12542
Important: For cables longer than 50 feet, conductors 2 and 14, and 3 and 13
must be twisted pairs.
Important: For a 1775-KA module, turn off (open) switch 3 on the module.