Sas Activity Leds - IBM Small J10 Series Manual

12Gb/s SAS I/O Module LEDs
Table 5. SAS Activity LEDs
Condition
No Cable Present
Cable Present
All links up, no activity.
Cable Present All links up.
Critical Fault
Any fault which causes operation
of the cable to cease or fail to
start, e.g. over current trip.
Non-Critical Fault
Any fault which does not cause
the connection to cease
operation, e.g. not all links
established over temperature.
Table 6. Module Status LEDS
LED
Module Fault (amber)
Power (green)
ID (blue)
Figure 9. 12Gb/s SAS I/O Module Connectors and Indicators (viewed from rear of enclosure)
The I/O module has three mini-SAS-HD (SFF-8644) connector receptacles. By default each is configured
as a SAS-3 universal port.
Blank I/O modules
Blank I/O modules are provided and must be put in any vacant I/O module bay to make sure of airflow
and correct operation.
10 IBM Cloud Object Storage System: IBM Small J10 Disk Enclosure Manual
Activity LED (green)
Off
On
Flash with aggregate port activity Off
Off
Flash with aggregate port activity Flashing - 1s on 1s off
State
On
Off
On
Off
On
Fault LED (amber)
Off
Off
On
Description
A fault condition.
Module is operating normally.
Module powered.
No power.
Controller being identified.