Quantum QXS Series Hardware Installation And Maintenance Manual page 64

LED Type Color
Module fault Amber
Green
Power on or
Amber
standby
None
Unit
ID
identification White
(UID)
Green
SAS port
Amber
Ethernet port (Unused)
Figure 46 SAS 12Gb/s expansion input/output module LEDs
State
On*
Flashing*
Off
On
On
Off
On
Off
On
Off
On*
Fast flash (1s on, 1s off)
Slow flash* (3s on, 1s off) Non-critical SAS cable fault
Off
С
Status
Ops panel undergoing 5s test
Rear panel area fault: CM, fan, PSU, when paired with
CM fault LED
Drive module hardware fault, paired with drive module
fault LED
Unknown, invalid, or mixed module type
Vital product data (VPD) configuration error or 1²C bus
failure
Rear panel area modules functioning properly
IOM power is on
Part of standby sequence as EM comes online
IOM power is off
IOM UID active to locate or identify for service activity
IOM UID not active
Connected, link is up
Not connected or link is down
Critical SAS cable fault
SAS UID active
SAS expansion port functioning properly
Chapter 7 Operation of 5U enclosures 55