Quantum QXS Series Hardware Installation And Maintenance Guide

72Chapter 9 Hardware installation and configuration issues
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LED Type Color State Status
Module fault Amber
On Drive link is down
On* Expansion enclosure hardware fault
Fast flash (1s on, 1s off) Unit identification (UID) bit is set
Slow flash* (3s on, 1s off) Expansion enclosure degraded or offline
Off
Expansion enclosure functioning properly
Expansion enclosure not present
SAS expansion port Amber
On* Critical SAS cable fault
Fast flash (1s on, 1s off) SAS unit identification (UID) active
Slow flash* (3s on, 1s off) Non-critical SAS cable fault
Off SAS expansion port functioning properly
Figure 54 SAS 12Gb/s expansion module fault LEDs
Power cooling module fault LEDs
The 764W power cooling module (PCM) has 6 LEDs to identify various states: 4 as primary thermal and power
status indicators and another 2 that used to indicate battery status, but are no longer used. When no LEDs are
on, there is no AC power to the PCM. The asterisk (*) indicates a fault condition.

Quantum QXS Series Specifications

General

Brand	Quantum
Model	QXS Series
Category	Storage
Language	English