GE KTD-405 User Manual page 55

Figure 55. Connecting a multiplexer or DVMRe to the old I/O box
Connect PIN 3 to RS-485 A (RD)
A
Connect PIN 6 to RS-485 B (BK)
B
Floating shield
C
12 VDC in (no polarity)
D
GN
RD
BK YL
OR BR
BL WH
To multiplexer or DVMRe (ground at
E
mux/DVMRe)
RS-422 input (if used)
F
Sample configurations and charts
RS-422 output (to CyberDomes/PTZ
G
receivers
Connect PIN 1 to RS-485 shield
H
Appendix A 51