Adaptec 5325302053 User Guide - Page 130

SANbloc S50 Enclosure, Disk Drive, APC Module, and Controller Behavior This section describes the LED indicators on the SANbloc S50 enclosure, disk drives, and APC modules. Enclosure LEDs On the right front of the SANbloc S50 (as shown in the following illustration) are four LEDs that indicate the status of the enclosure. 1 2 3 4 These LEDs operate as described in the following table: LED 1 2 Condition On On 3 Solid green 4 Indication Enclosure power on. Fault on enclosure. When a failure occurs on a controller or APC unit, the enclosure LEDs indicate an enclosure fault. Host Link. A solid green LED indicates communication with the server. Unit ID. Currently not used. Disk Drive LEDs Each disk drive has three LEDs that indicate the status of the disk drive. 1 2 3