Ultra Disk DVR 7 Manuel d'utilisateur télécharger pdf (Page 4)

6) RS232 port Connection.

Reserve for technical support

Both USB port support USB devices such as USB mouse, USB external HDD and USB thumb

drive

* Alarm output 1~4CH

Support either NC or NO

Remark: Max24V/2A

7) USB port Connection

8) ALARM IN (SENSOR) Connection

Remark : Max 6V/50mA

9) ALARM OUT Connection

front rear

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Ultra Disk DVR 7 Manuel d'utilisateur Page 4