NO 8
NC 7
R/S 6
E/O 5
S/O 4
V/L 3
TX1 2
RX1 1
15 COM
14 A/I
12 D/F
13 A/R
11 RX2
10 TX2
9 GND
GND
DVR – Back Panel
Multiplexer – Back Panel
Please refer to your
Multiplexer user
manual, for the switch
out pin number
APPENDIX #4 – ALARM BLOCK CONNECTION
to MULTIPLEXER
22
