Axis Communications Axis 2191 Audio Module Axis 2120 User’s Manual, Volume, Level In/Level Out

46 The AXIS 2191 Audio Module AXIS 2120 User’s Manual

The Front Panel

Power Connector

Power Indicator - Normally lit.

Serial Port Connector - Connect the serial cable from here to the serial port on the camera.

Activity Indicator - Lights up when the camera has configured the audio module.

The Rear Panel

In	Volume In
3.5mm socket	Level control for
for connection	input. Use a
of external	screwdriver to
microphone.	adjust.

Int-Ext Set to Int for internal micro- phone or Ext for external microphone or Line-In.

Mic Built-inomni-direc- tional micro- phone.

Volume Out Level control for speaker volume.

Use a screw- driver to adjust.

Line Out 3.5mm socket for speakers with built-in amplifier, e.g. PC speakers.

Level In/Level Out

The colors used to indicate the input and output levels are:

•Green - Level OK

•Yellow - Risk for overload

•Red - Overload

Terminal Block Connector

Used for:

•Line-In (e.g. CD, radio)

•Speaker-out (headphones or speakers without amplifier)