User`s guide

Getting Started
2-6
2.2.2 Rear View
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1. Host B & A Activity LED (From left to right)
Green LED indicates Host channal is connected. When there is activity on the
Host Channel, the LED is Blue.
2. Host Channel B
The subsystem is equipped with 2 host channels (Host channel A and Host
channel B). Each host channel with one SAS connector at the rear of the
subsystem for connect to SAS Hub/Switch or Server’s SAS interface.
3. Host Channel A
Connect to Host’s SAS adapter.
4. Expansion Port
5. Hot bit LED (Green)
6. Debug Port