Connections - American Dynamics 1461 Installation And Operating Instructions Manual

CONNECTIONS

CONNECTIONS
Video Input
Connect a good grade of RG59/U video cable from the camera
to the VIDEO IN BNC Connector on the rear panel of the
1461. The 1461 has a passive loop-thru input. It does not
terminate the input in 75 ohms. The video input cable should
be terminated in 75 ohms at the end of the run.
Video Output
Connect a good grade of RG59AJ video cable from the VIDEO
input of the monitor or video switcher. This cable should be
terminated in 75 ohms, or if looped thru the monitor or
switcher, terminated at the end of the run.
.
Automatic Switcher Call-Up Connections
Connections to an external switcher are made at the
CONTROL connector on the rear panel of the 1461. Pin 2
provides a logic-level closure during an alert for remote call-up
of a switcher. A typical system connection for switcher call-up
is shown in the Appendix. The CONTROL connector pin
definitions are:
Ground
PIN1
PIN2 Switcher Logic Out
Auxiliary Relay Contact
PIN3
PIN4 Auxiliary Relay Contact
No Connection
PIN5
Pin 1 is at the top of the connector, see Figure 2.
A mating 5-pin plug is provided. Note that this plug also
provides connections for the auxiliary start relay.
C O N T R O L
Figure 2 - 1461 Rear Panel
Auxiliary Start Relay Connections
The 5-pin CONTROL connector is also used to access a
normally open, SPST relay which can be used to activate a
VCR or other devices during an alert. The relay contacts
provide a closure between pins 3 and 4 when an alert condition
occurs. CAUTION: DO NOT USE THIS RELAY TO
SWITCH LINE VOLTAGES. The relay contact ratings are:
Power:
Voltage:
Current:
Power
The model number and rated power are shown on the rear
panel of each unit. No power On/Off switch is provided. The
LED on the front panel is lit when power is applied to the unit.
3-wire cord and plug into a mating power source.
Model 1461101 - 13.5 V DC (11 to 18 VDC). Attach the
leads extending from the rear panel to the power source. A
separate chassis ground terminal is also provided.
Red Wire with Fuse Holder - (+) (hot) lead.
Black Wire - (-) (ground) lead.
Model 1461X - 230 VAC, 50/60 Hz nominal. Insert the
pendant 3-wire cord and plug into a mating power source.
2
6 0 H Z
0
10 VA max.
30
0.25 A DC or RMS max. (resistive load)