Sanyo VCC-HD5400 User Manual page 7

For the cable type, see the "cable label" attached to the cable bundle.
For the detailed connection procedure, refer to the "Connections" section.
Connect this terminal to the power supply.
Alarm input cable: Connect an external switch, infrared sensor, or other device to detect alarm conditions
such as the entry of an intruder.
Alarm output cable: Connect a buzzer, lamp, or other alarm device.
By connecting a system controller (sold separately), the camera can be controlled remotely.
A Audio output terminal (black: 3.5-mm mini jack)
Use this jack to connect to the audio input jacks of a powered speaker system or a monitor.
B Audio input terminal (white: 3.5-mm mini jack)
Use this jack to connect an external microphone to listen to the sound while monitoring the live video, or
simultaneously record the video and sound.
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