Dot Hill Systems AssuredSAN 4544, Setup Manual

Page: 82 / 100

82 LED descriptions
NOTE: See Powering on/powering off
on page 31
for information on power-cycling enclosures.
4144 drive enclosure rear panel LEDs
The rear panel layout of the 4144 drive enclosure is shown below. Using mini-SAS (SFF-8088) external
connectors, this drive enclosure supports a 6-Gbps data rate for backend SAS expansion. See Powering
on/powering off
on page 31
for more information.
Figure 45 LEDs: 4144 drive enclosure — rear panel
LED No./Description Color State Definition
1 — Power Supply — — See Power supply LEDs on page 81.
2 — Unit Locator White Off
Blink Normal operation.
Physically identifies the expansion module.
3 — OK to Remove Blue Off Not implemented.
4 — Fault/Service Required Amber On
Blink A fault is detected or a service action is required.
Hardware-controlled power-up.
5 — FRU OK Green On
Off
Blink Expansion module is operating normally.
Expansion module is not OK.
System is booting.
6 — SAS In Port Status Green On
Off Port is connected and the link is up.
Port is empty or link is down.
7 — SAS Out Port Status Green On
Off Port is connected and the link is up.
Port is empty or link is down.
IN OUT
IN OUT
6Gb/s 6Gb/s
6Gb/s 6Gb/s
1 2
6 3 5 4 7
1