Appendix A
Sample configurations and charts
63
Connecting multiple keypads to the old I/O box
Figure 68. Multiple KTD-405 connections
Figure 69. KTD-405/KTD-405-2D to KTD-405A connections
Shield (float) To/from KTD-405 RS-422 input (if used)
12 VDC in (no polarity) To additional keypads or multiplexer/
DVMRe (ground at mux/DVMRe)
RS-422 output (to CyberDomes)
To/from KTD-405
12 VDC in (no polarity)
Shield (float) RS-422 input (from alarm chassis)
Audio connections
12 VDC in (no polarity) 12 VDC in (no polarity Audio A
RJ45 to/from KTD-405 RJ11 to/from KTD-405A Float shield in field
RJ45 to/from KTD-405A To additional keypads or multiplexer/
DVMRe (ground at mux/DVMRe)
Audio B
RS-422 output (to CyberDomes)
A E G
B F H
C
D
BR
G
BK
BL
W
Y
O R
R
G
BK
A F
B G
R
C H
G
D I
BK
E