![background image](http://html1.mh-extra.com/html/acti/acd-2400/acd-2400_quick-installation-manual_2842456006.webp)
13
AUDIO GND Audio Ground Pin
14
AUDIO OUT Audio Output
15
AUDIO GND Audio Ground Pin
14
AUDIO IN Audio Input
* RS-232 mode requires user to set the jumpers inside the 16-channel MPEG-4 1U
Video Encoder.
Bcause opening the 16-channel MPEG-4 1U Video Encoder will void the warranty,
please contact your distributor for how to switch to RS-232 mode.
11.
Channel Number