
LaCie 12big Rack Fibre 8 System Overview
User Manual page 19
Table 04 - Disk I/O Module LEDs
LED State Description
SAS Lane ON
FLASHING
ALL FLASHING
OFF
Ready, no traffic.
Active, I/O traffic.
Fault condition or rebooting.
Not ready, no power.
Fault LED ON
OFF
A module fault condition.
Module is operating normally.
ID LED ON
OFF
Identifies the module with the fault condition.
Module is operating normally.
Fig. 14 - Blank I/O Module
1.4.4. Blank I/O Modules
To maintain airflow and ensure correct operation when only one
RAID Controller is installed (12big Rack Fibre 8) or one Disk I/O
Module is installed (12big Rack Fibre Expansion), a Blank I/O mod-
ule must be installed in the vacant I/O module bay (Fig. 14).
CAUTION: Operation of the enclosure with ANY modules miss-
ing will disrupt the airflow and the drives will not receive sufficient
cooling. It is ESSENTIAL that all apertures are filled before operating
the 12big Rack Fibre 8 and 12big Rack Fibre Expansion storage
systems.
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