Samsung SNP-3370 - 3.3. Preparing Adapter and Cable

NETWORK PTZ CAMERA User Guide
25
- Power Adapter
The SNP-
3370/3301 uses an AC24V 2.5A power adapter for the power supply.
Plug the power adapter into a power outlet.
Chart 3-1. Electrical Resistance of Copper Wire at [20° (68°)]
- Communications Cable
For the camera to communicate with the controller, a RS-485/422 communications line is
required.
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for the connection.
Caution
3.3. Preparing Adapter and Cable
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adapter cable may decrease the performance of the camera.
ö Camera Operating Voltage: AC 24V±10%
ö Voltage drop measurements on the chart above may vary depending on the type and manufacture of the copper cable.
Copper Wire Gauge (AWG) #24(0.22°) #22(0.33°) #20(0.52°) #18(0.83°)
Resistance (Ω/m) 0.078 0.050 0.030 0.018
Drop Voltage (V/m) 0.028 0.018 0.011 0.06
* The communication cable is not enclosed with the
camera.