User manual

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2.3 Rear Panel Description
Fig. 2.1 DS-7204HVI-S Rear panel
Note: Please refer to real product for different models.
DS-7204HVI-S
Video in Video out VGA interface
Alarm out RS-485 T+ T- R+ R- Power switch
USB interface Audio in Audio out
UTP interface
12 Alarm in
13 +12V DC power supply
input