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Controller LEDs
This section describes the primary LEDs, controls, and connectors on the rear of
the storage subsystem controller.
Figure 65. Rear controller LEDs, controls, and connectors
Table 26. Rear controller LEDs, controls, and connectors
Number
1
2
3
4
5
6
7
8
13
12
1 1
10
7
9
8
9
8
5
4
3
2
1
LED
Service Action Allowed
(OK to Remove)
Service Action Required
(Fault)
Cache Active
Diagnostic
Heartbeat
Host Channel Speed - L1 See Table 27 on page 92.
Host Channel Speed - L2 See Table 27 on page 92.
Ethernet Link Speed
6 7
6
1
2 3
8 9 8
9
6
7
6
7
10 1 1 12 13
Normal Status
Off
Off
On - Data is in cache
Off - Caching is turned
off. No data in cache
On - Seven-segment
LEDs indicate diagnostic
code
Off - Seven-segment
LEDs indicate enclosure
ID
Blinking
On - 100 Mbps
Off - 10 Mbps
Chapter 4. Operating the storage subsystem
4
5
Problem Status
On
On
Not applicable
Not applicable
Off
Not applicable
91
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