Dahua A Manuel de l'utilisateur - Page 10

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No.
Port Name
12V DC
①
power input
12V DC or
②
24V AC
power input
③
Video output
④
Audio input
⑤
Power output
⑥
DIP switch
Switch1
OFF
ON
ON
OFF
Function
Inputs 12V DC power. Please be sure to supply power as instructed in the
Manual.
Device abnormity or damage could occur if power is not supplied correctly.
Inputs 12V DC or 24V AC power. Please be sure to supply power as
instructed in the Manual.
Device abnormity or damage could occur if power is not supplied correctly.
Connects to XVR to output video signal.
For PoC cameras, it connects to XVR to output video signal and at the same
time supplies power to the camera. And this function is available only in the
HDCVI video output mode.
When the camera is in the condition of PoC power supply, do not
connect any other device between the camera and PoC XVR or PoC
transceiver including UTC, Balun, optical transceiver, distributor and
convertor and so on; otherwise, the device might get burned.
PoC power supply is with high voltage. Do not dismantle the device
during normal operation; otherwise it might cause danger to both device
and users due to high voltage.
Connects to sound-pick-up devices to receive analog audio signal.
Supplies 12V DC power.
Ensure that power consumption of devices connected to this port is
below 2W.
Ensure that supply frequency of devices connected to this port is higher
than 1MHz, such as sound pick-up, temperature/humidity sensor and
other devices without power consumption change. It might cause image
flickering if this port is connected to devices with supply frequency less
than 1MHz, such as fan, Hall sensor, loudspeaker, motor and other
electromechanical devices with power consumption change.
Dial switches to change output mode. Switch up indicates "ON", and switch
down indicates "OFF."
Table 2-2 Operation of DIP switch
Switch2
OFF
ON
OFF
ON
Output Mode
CVI
CVBS
AHD
TVI
Design 4