8
Simplex Multiplexer
Figure 5 — Rear Panel Connectors
1.
gnd
— Use this ground screw when connecting contact or
TTL/CMOS compatible alarm devices. See
Alarms
for details.
2.
power
— This 2.1 mm pin jack accepts the Simplex series power
module plug or other 12 VDC, center positive source of at least
1 ampere.
3.
remote in
— This RJ11 connector allows remote control of the
Simplex via the Remote Control Panel or using RS-232 data.
4.
remote out
— This RJ11 connector allows daisy chaining an-
other Simplex for use with the Remote Control Panel.
5.
alarms
— This DB37-S connector allows alarm activation via
contact closure or TTL/CMOS alarm inputs. It includes the
Alarm Hold Input and Alarm Output relay contacts.
6.
vcr in
— This BNC connector accepts composite video play-
back signal from a video recorder.
7.
vcr out
— This BNC connector provides a composite video sig-
nal to a video recorder.
8.
call mon
— This BNC connector provides a composite video
signal to the call monitor in the full screen format. The call moni-
tor only displays full-screen live images.
9.
main mon
— This BNC connector provides a composite video
signal to the main monitor for display in the selected format.
10. cam in
— These BNC connectors accept the composite video
output of B&W or color cameras.
11. cam out
— These BNC connectors provide looping camera video
from the corresponding camera input.
12.
∞
∞
∞
∞
∞
or
75
Ω
Ω
Ω
Ω
Ω
switch
— These switches allow you to set impedance
for each camera output. Set the switch to
75
Ω
Ω
Ω
Ω
Ω
to terminate it, or
set it to
∞
∞
∞
∞
∞
if looping to other equipment.
THE REAR PANEL
