2
Back panel and connection terminal
①
Audio input 1,2,3,4
②
Audio output 1,2
③
Video input 1,2,3,4
④
Video output 1,2
⑤
VGA interface
⑥
Net connect RJ45
⑦
RS232 interface
⑧
Alert input/output signal and RS-485 signal terminal. the order from left
to right is: alert output 1,2;alert input 1,2,3,4;earth;RS-485
⑨
Fan base
⑩
Power line plug
①
②
③
⑤
⑥
⑧
⑨
⑩
④
⑦
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