IC Realtime 1/2/4 Channel H.264 Network Video Server - Manual (Page 17)

11
Port Name Connector Function
G Alarm input
ground
Shared ground
NO/C-1
NO/C-2
2ch alarm
output  Output alarm signal to the alarm device.
 NO/C-1: NO alarm output 1
 NO/C-2: NO alarm output 2
A、B RS485 port. You can connect to the control devices
such as speed dome PTZ.
ANT To connect wireless antenna in order to receive 3G
wireless signal
NET 10M/100M self-adaptive Ethernet interface
12VDC  Input 12V DC POE
 When supply power via PoE. the power of cameras
shall be less than 3W
2.2.2 HDD backup series
Figure 2-5
Port Name Connector Function
AUDIO IN 1～4 Audio input port BNC 1～4-ch audio input port to receive analog
audio signals from microphone.
The first channel audio input also used as the
audio talk input port.
VIDEO IN 1～4 Video input port BNC 1～4-ch video input port to receive analog
video signals from camera, dome and other
front-end devices.
AUDIO OUT 1 Audio output
port BNC Audio output port. Output analog audio signal
to the devices such as sound box.
VIDEO OUT 1 Video output
port BNC Video output port. Output analog video signal.
It can connect to the monitor to view analog
video.
Network Port 10M/100M self-adaptive Ethernet port.
Connect to the network cable.
USB Port Connect to USB mouse.
VGA Video output
port VGA VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.