Instruction Manual

Constructing RS-232-C and
Longline Cables
Appendix A
A-10
Figure A.13
Connecting a 1771KF, KG, KE or 1785KE to an IBMPC/A T without
handshaking.
1
2
7
3
13
4
5
6
8
11
1
4
6
2
5
3
7
8
D-sub9-pin
(IBM -PC/AT)
14936
D-sub15-pin
(1785-KE)
Figure A.14
A Longline connection between 1771KE, 1771KF and 1771KG modules.
2
14
3
13
4
5
6
8
11
1
3
13
2
4
5
1
6
8
11
14
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 1771-KE,
1771-KF, or
1771-KG
Module
15-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
12540
Important: For cables longer than 50 feet, conductors 2 and 14, and 3 and 13
must be twisted pairs.