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QSTD5304 Digital Video Recorder User Manual
8
2.3 Rear Panel
Layout subject to change, may be slightly different from your model.
The rear panel sketch and interface buttons are shown as Fig 2.2
Fig 2.2 Back Panel
Items Names Functions
1 ALARM IN Connect to external sensor 1-4
2 ALARM OUT
Relay output. Connect to external alarm.
3 GND
Grounding
4 RS485
Connected to PTZ speed domes
5 NET(RJ45 PORT)
Connect to internet
6 AUDIO IN
Audio input 1-2, connect to MIC or other
audio capture devices
7 S-VIDEO
S-Video output, connect to monitor
8 VIDEO OUT
Connect to monitor
9 USB PORT
To connect mouse or external USB
devices like USB flash, USB HDD for
backup or update firmware
10 AUDIO OUT
Audio output, connect to speakers
11 VIDEO IN
4ch Video input
12 POWER INPUT
DC 12V
13 POWER SWITCH
Power on/off