IBM Netfinity FASt T500, Справочник пользователя

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Chapter 2. Operating the controller unit 19
The mini-hub indicator lights on the back of the controller unit are shown in Figure 11 and
described in Table 4 on page 20 .
Figure 11. Mini-hub indicator lights
Table 3: Indicator lights (back)
Indicator light Color
Normal
operation
Problem
indicator
Possible conditions indicated by the
problem indicator
1
Fan and communications module
Fan and
communication
fault Amber Off On
•
Fan and communications module has failed
or is installed incorrectly
•
Overtemperature condition
Power supply
Power supply Green On Off
•
No power to controller unit
•
No power to storage subsystem
•
Power supply has failed
•
Overtemperature condition
1
Always use the storage-management software to identify the failure.
OUT
IN
Mini-hub indicator
lights
Fault
Bypass
(upper port)
Loop good
Bypass
(lower port)