exp81021
2
3
4
5
6
1
Table
33.
Front
LEDs
and
controls
Number
LED
Normal
Status
Problem
Status
1
Drive Activity LED
On (not blinking) - No
data is being processed
Off
Blinking - data is being
processed
2
Drive Fault LED
Off
Blinking - Drive, volume,
or storage array locate
function
On (not blinking)
Note:
In certain ESM
firmware versions, the
Drive Fault LED is lit
when no drive is inserted
in the drive slot.
3
Global Locate
On
N/A
4
Global Summary Fault
Off
On
5
Global Power
On
Off
6
Link Rate Switch
The Link Rate switch
should be set to 2 Gbps
or 4 Gbps, depending on
your configuration.
N/A
Figure
45.
Front
LEDs
Rear
LEDs
This section describes the primary LEDs, controls, and connectors on the rear of
the storage expansion enclosure for all models. The back view shows the following
components:
v
Fans and power supplies - Two removable power supply and fan unit CRUs,
each containing one power supply and two fans
v
ESMs - Two removable environmental services monitors (ESMs)
76
IBM System Storage DS4000 EXP810 Storage Expansion Enclosure: Installation, User’s and Maintenance Guide
Summary of Contents for DS4000 EXP810
Page 2: ......
Page 67: ...ds470067 Figure 20 Installing a bezel Chapter 2 Installing the EXP810 39...
Page 229: ......
Page 230: ...Printed in USA GC26 7798 09...
