HighPoint RocketRAID 3510 - Manual (Page 18)

RocketRAID 3xxx Hardware Description/Installation
2-7
The numbered pins (1-4, 5-8) represent each of the 8 channels (hard disks).
The fifth pin of each CONN is for power (3.3v).
Mini-SAS Port 1 (disks 1-4)
Mini-SAS Port 2 (disks 5-8)
RocketRAID 3220 LED Guide
For more information about LED support, and installation guides for various chassis
configurations, consult the RocketRAID 3220 LED Guide (which will be available for
download), or contact our Customer Support Department.
BEEP1 - Speaker
Alarm (speaker): the speaker emits and audible alarm in the case of disk/array failure.
CONN6
Connector for battery backup (optional part).