RAID Xanadu User Manual page 38

(8) SAS connectors
The SAS connectors are for connecting the disk array unit to disk enclosures.
There are two connectors per controller.
There is a FAULT LED (left) and LINK LED (right) below each connector.
LINK LED (LNK) (green)
The LINK LED illuminates to indicate link-up.
The LED is off to indicate link-down.
FAULT LED (FLT) (orange)
The FAULT LED illuminates to indicate that an error is detected.
Locations and port numbers
DP1
* DP1 is supported only by Xanadu.
(9) Extended BBU connector
The extended BBU connector is for connecting the disk array unit to an extended BBU.
(10) Modem connector
The modem connector is for connecting the disk array unit to a modem for (optional) remote
maintenance.
(11) Ejector
The ejectors are used to install or remove the controller.
(12) HPE FAULT LED (orange)
The HPE FAULT LED illuminates to indicate that there is an abnormality in the host port
extension.
(13) HPE (Host Port Extension)
The optional HPE is for extending the HP connector.
* HPE is supported only by Xanadu.
(14) Battery FAULT LED (orange)
The BBU FAULT LED illuminates to indicate that an error occurs in the battery backup unit.
The LED blinks to indicate the battery backup unit must be replaced due to its life.
DP0
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