Figure 48 Sas 12Gb/S Expansion Input/Output Module Leds - Seagate Exos E 2U12 Series Hardware Installation And Maintenance Manual

LED Type
Module fault
Power on or
standby
Unit
ID
identification
(UID)
SAS port
Ethernet port Green
To replace a 2U enclosure input/output module:
1. Complete the following actions to remove the faulty IOM:
a. Facing the rear of the 2U enclosure, grasp the IOM release latch between thumb and forefinger, then squeeze together
to release the latch and handle.
Color State
On*
Amber
Flashing*
Off
Green On
Amber On
None Off
On
White
Off
On
Green
Off
On*
Fast flash (1s on, 1s off)
Amber
Slow flash* (3s on, 1s off)
Off
On
Off

Figure 48 SAS 12Gb/s expansion input/output module LEDs

С
Status
Ops panel undergoing 5s test
Rear panel area fault: IOM, fan, PSU, when paired with IOM 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 IOM 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
Non-critical SAS cable fault
SAS expansion port functioning properly
Connected, link is up
Not connected or link is down
Chapter 9 In-service field maintenance for 2U enclosures
77