Aposonic A-S0402R21 - Manual (Page 15)

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3.2 Optional Connections
 Audio input
Connect the audio input connector to the audio line-out from system cameras or
other audio sources. Please make sure to associate the audio inputs with the
cameras in Camera Setup as described in
Section 6.1 accordingly.
 Audio output
Connect the audio output connector to the audio line-in from speakers.
 Ethernet
Connect the Ethernet connector to a standard twisted-pair Ethernet cable for
remote access via LAN or internet. Please make sure to setup the related
configurations as described in
Section 6.5 Network Setup .
 USB 2.0 disk drives, DVD+RW, card reader, etc.
If the user wants to use USB2.0 peripheral device to retrieve important recorded
images and/or audio, please connect it to the USB2.0 port connector.
 I/R remote controller
The user may use I/R remote controller to control the digital video/audio recorder.
 VESA mount
The user may mount the optional VESA mounting kit on the monitor, and then
mount the DVR between the brackets as shown.