Host-Side And Drive-Side Mini-Hub Indicator Lights - IBM TotalStorage DS4500 User Manual

Table 15. Host-side and drive-side mini-hub indicator lights
Icon Indicator light
None Speed
! Fault
Normal
Color operation
Green On for 2 Gb Off
for 1 Gb
Amber Off
Problem
indicator
Not applicable
On
Chapter 2. Operating the DS4500 Storage Server
Possible
condition
indicated by the
problem
indicator
Light on indicates
data transfer rate
of 2Gb/s. Light off
indicates data
transfer rate of
1Gb/s.
Mini hub has
failed.
Note: If a
host-side mini hub
is not connected
to a controller, this
fault light is
always lit.
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