COP-USA DVRH264-E4 - Manual (Page 5)

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1.2.2 BASIC WORKING PARAMETER
item parameter remark
Voltage input 19V DC 19V@3A.
Voltage outputfor
camera
12V˄+/-0.2V˅ 12V@1A.
Video input
impedance
75ȍ 75ȍ each channel.
Video output 1Vp-p 1Vp-p CVBS signal
I/O
0—2V Low voltage alarm
5V-30v Hight voltage alarm
RS232 serial port, for extend use
RS485 Connect to PTZ, (Pelco-DˈPelco-P)
SATA HDD One SATA with all capability
1.2.3 ENTIRONMENT ADAPTABILITY
For the saftly using DVR and prolong device life, please pay attention on following detail˖
1) When installing device, please comply all the electric product safty criterion˗
2) Power and ground˖
‹ Do not touch the power and DVR with a wet hand
‹ Do not drop liquid on DVR
‹ Do not put others on DVR
‹ Please using soft dry cloth when clean DVR, do not using chymistimpregnant
‹ When the power line connects with jack, even don’t startup device. There is still have voltage
‹ If you do not use device for long time, please take the power line away from jack.