
TCM-5311 Hardware User’s Manual
11
Auxiliary DC
Power input
(not to power
this camera)
Electrically connected in parallel with the con-
nector for the power supply, this pin provides
an auxiliary connector for mains power to the
unit.
This pin can also be used to power auxiliary
equipment, with a maximum current of 100mA.
Voltage: 12V DC,
Max: 1.2W
Connect to GND to activate, or leave floating
(or unconnected) to deactivate.
Must not be exposed
to voltages greater
than 30V DC.
Uses an open-collector NPN transistor with the
emitter connected to the GND pin. If used with
an external relay, a diode must be connected
in parallel with the load for protection against
transient voltages.
Max load = <100mA
Max voltage = 24V DC
(to the transistor)
The I/O terminal pins are numbered right to left,.
Connect input/output devices to the camera as follows:
1. Attach the cables for the device securely to the supplied green connector block.
2. Once the cables are connected, push the connector block into the terminal connector (also
green) on the camera.
1
2
3
FUSE 1A
NPN
DC TO DC
DI
DO
3.3V
DC POWER
GND
1
2
3
4
CONVERTER
EARTH GND
DO
DI
RELAY
SW
DIODE
DEVICE
-
+
POWER INPUT
CAMERA
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