User manual

7
1.4 Back Panel
Name Function
(1) LAN Port For Gigabit Ethernet connection
(2) RS232 port For POS device connection
(3) Audio In/Out/MIC In
Output the audio signal to audio output device
i
The audio input and output device has its own power supply is necessary.
(4) VGA Out Output the video signal to a CRT or LCD monitor
(5) SPOT Monitor 1/2 Output the video signal to SPOT monitor when receive the alarm events
(6) Video Loop Out Output the video signal to a CCTV monitor. Only output one channel signal at a time.
(7) eSATA port For connecting with eSATA RAID
(8) RS485 For analog PTZ camera connection (also see Chapter 1.6)
(9) Sensor In Support up to 16 sensor devices
(10) Relay Out Support 4 relay devices (Relay: 1A @ 125V AC/30V DC)
(11) CH1~ 16 Input the video camera signal and display it on channel 1~ 16
(12) 19V DC connector Connect the power cord into this port