Hongdian H3324 4CH HDD MDVR - Manual (Page 24)

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6 DC IN 2- Black Negative (ground)
(Backup power)
H332x support 8～36V DC power supply, backup power only support 12V DC.
Beforepower on, make sure safety fuse installed correct, this could prevent device from
burning out in use. If device cannot power on, check safety fuse first.
ACC inigition signal must > 7.5V, to start the device.
DC IN 2+ and DC IN 2- used as backup power to connect UPS, if main power off, H332x
will switch to backup power immediately.
Power output port
H332x has DC out function, could provide power to cameras.
No Label Color Note
1 5V Red Output 5V (Positive)
2 12V Brown Output 12V(Positive)
3 GND Black Ground
4 GND Black Ground
Power Supply Interface：