Specifications

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

ΩΩ

Ω switch — These switches allow you to set impedance

for each camera output. Set the switch to 75

ΩΩ

Ω to terminate it, or

set it to

∞∞

∞ if looping to other equipment.

THE REAR PANEL