User manual
6
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SECTION 2: INSTALLATION AND SETUP
6. Tighten the lens set screw with the hex wrench provided.
7. Attach the camera to the mounting bracket. Use the instructions provided with the bracket.
2.4 Connections
Connections to the camera for audio in and out (microphone and speaker), DI sensor, DO alarm, and RS-485 control are made
through the 9-pin terminal block.
9-pin terminal block
Terminal block pin assignments
If the 9-pin terminal block is detached from the camera, plug it into the mating connector on the back of the camera.
2.4.1 Audio in/out connections
The camera includes an interface for a mono audio input (from a microphone) and a mono audio output (to a speaker). The audio
output is a low level signal that requires an amplied speaker (see Specications). The conguration of the audio wiring (Aout, Ain)
is shown in the following diagram.