Electrical Input voltage DC12V Rated power 7.2W
Communication interface RS485 1 RS422 1,RS232 1 Communication frequency 2400Bps ,4800Bps ,9600Bps,19200Bps Communication distance 1.2km
RS485 and Rs422 can achieve it
Operational environment:Operating temperature -20 +50 Relative humidity less than 90%
Physical property: L W H=290*191* 95 mm Weight 1.6kg (NetWeight)
Keyboard Interface Instruction
There have following interfaces on the back of the keyboard: RS232, RS422, and RS485, which can connect and control various peripheral equipment.
RS422 and RS485 interface
RS422 and RS 485 interface are on the 6bit ribbon cable connection of the keyboard. Rs485 (Tx+,Tx-) can connect with the dome when the
keyboard controls the dome directly; RS485 (Tx+,Tx-) can connect with DVR and other keyboards when keyboard controls the dome by matrix; Rs422
(Tx+,Tx-) is sending the signal, RS422(Rx+,Rx-) is receiving the signal, both of which can connect with matrix ,DVR and so on. Power switch button: cut-off power supply / activate power supply
Power Supply Port :Power supply is DC12V.
RS232 Interface:To expand the functions and controlling like picture processor, DVR, PC and so on.
CVBS Interface To receive the video signal of the camera; also can switch the video to receive multichannel camera video.
USB Interface For SDI signal 1080i60/720p60/1080i50/ 720p50/1080p30/1080p25and etc.