
3. Back panel introduction
1: Alarm-RS485 connection
2: Fan
3: RS232 connection
4: MODEM telephone line connection
5: USB connection
6: NET network connection(RJ45)
7: Audio output
8: AUDIO IN audio input
9,10: VEDIO OUT video output
11,12,13,14: VEDIO IN vedio input
15: Power switch
16: Power socket
Ethernet connection note: When connecting to the network card of the computer, please use a reverse
line; when connecting to the computer through an exchanger or Modem, please use a positive line.
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