Pelco C1970M-A User Manual

12

Pelco Manual C1970M-A (7/01)

Figure 8.  Monitor Back Panel Controls and Connections

Table F.  Back Panel Reference Key

1

Power inlet

Accepts 110 to 240 Volts AC, 50/60 Hz power.

2

Main power switch

Controls power to monitor and cameras.

3

75-ohm/High impedance switch

Camera inputs:  Set to 75 ohms unless looping outputs
are used.
Monitor output:  Set to 75 ohms if output is unused. Set
to HI if equipment is connected.

4-7

Video/Audio inputs (6-pin mini-DIN)

Input for CCQ1400A-4 cameras.

8-11

Video looping output/Video input

Connect additional monitor or VCR to the channel, or

(BNC)

connect a camera that uses BNC connector.

12

Monitor output

Connect VCR or additional monitor to the quad circuit.

13

Alarm input/output connector

CH1, CH2, CH3, CH4: Connect alarm detection

(10-position, snap-in type)

contacts (works the same as the alarm inputs on the
camera) or alarm output to annunciators or other
devices. Output switches from 5 VDC to ground on
alarm with N.O. alarm contacts. Output switches from
ground to 5 VDC on alarm with N.C. contacts.
TRIG OUT: Connect a trigger input to start a VCR when
an alarm is detected. Trig Out switches from ground to 5
VDC on alarm when Active Out (on the menu) is set for
L. Trig Out switches from 5 VDC to ground on alarm
when Active Out is set for H.

14

Remote control serial port (DB9)

This is normally not used. Contact Pelco for pin-out and
coding.

15

VCR input/outputs (phono jacks)

Interface video and audio signals to and from a VCR.

MAIN

A/C INLET

CH 1

IN

IN/OUT

CH 3

CH 4

CH 2

IN

OUT

MONITOR

OUT

VIDEO AUDIO

75

Hi 75

Hi 75

Hi 75

Hi 75

Hi

SCREEN

FOCUS

CH 1 CH 2 CH 3 CH 4 TRIG

OUT

REMOTE

*