User manual
23 Chapter 3 
3.7 Installing the 2.5" Hard Disk Drive (H D D)  
 You can attach one Serial ATA (SATA) hard disk drive to the ARK-
3389's internal controller. The following are instructions for installation:
1. Remove the power cord.
2. Unscrew the four screws from bottom cover of the ARK-3389.
3. Remove the bottom cover of the ARK-3389.
4. Connect the SATA cable to the connector on the hard disk.
5.  Fixing your HDD to bottom cover by using the 4 scews stored in 
accessories box.
6. Screw back the bottom cover with the four screws.
3.8 Connecting Power    
Connect the ARK-3389 to a 12 ~ 24 VDC power source. The power 
source can either be from a power adapter or an in-house power source.










