User guide

Compaq StorageWorks RAID Array 4000 User Guide
During normal runtime, the RA4000 Controller has 18 LEDs that indicate
activity or malfunction of the controller. They are the Transmit LED 1, the
Receive LED 2, and sixteen status LEDs labeled 0-15. Table 4-1 describes the
purpose and function of each LED.
1514 13 12 11 10 9 8
76 54 32 10
1
2
Figure 4-4. RA4000 Controller LEDs
0-2 Busy status ON = All LEDs on indicate this array controller is
idle
OFF = All LEDs off indicate this array controller is
operating at full capacity
3-7 Fibre Channel ID Indicates the 5-bit Arbitrated Loop Physical Address
(ALPA) assigned to this array controller
8 Heartbeat Blinks at 1Hz rate, indicating interrupts are enabled
and the array controller is functioning.
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