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Table 4-2 ops panel led states, Table 4–2, For details on how to remove and replac – IBM DCS9550 1S1 User Manual

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Troubleshooting and Problem Solving

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IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide

Table 4–2 Ops Panel LED States

LED

Definition

Color

Normal

Status

Fault

Status

Invalid
Address

Indicates that an invalid
Enclosure ID has been selected
or that the selection has
changed after Power On

Amber Off

Flashing

Power On

Enclosure Powered On

Green

On

Off

System Fault

System/SCM Fault

Amber Off

On

PSU/Cooling
Fault

PSU Cooling fault or enclosure
over-temperature.

Amber Off

On

2Gb Link
Speed

Indicates link speed

Green

Off

On

Hub Mode

Not Used

Green

Off

Off