HIKVISION DS-KB2421-IM User Manual - Page 12
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3.2.1 Wiring 1 (1 Door Station and 1 Indoor Station)
CAUTION
Do not pull power cables on the rear panel of the door station hard to avoid the
disconnection of power cables.
Use the insulated tape to tape the bare wires, so as to avoid the short circuit.
Indoor Station
Figure 3-3 Wiring 1 (1 Door Station and 1 Indoor Station)
Video Door Phone·User Manual
Analog Camera
B+ —— Wire for power supply
V —— Wire for video input
A —— Wire for audio input
G —— Wire for grounding
Electric Bolt
Red —— NO
Blue —— COM
Yellow —— NC
Red —— Wire for power supply
Blue —— Wire for video output
Yellow —— Wire for audio input/output
Black —— Wire for grounding
6
Door Station