HP Fibre Channel Mass Storage Adapters Support Guide, February 2007

Chapter 3
Troubleshooting and Maintenance
Adapter LED States
36
Adapter LED States
The Fibre Channel Mass Storage Adapter status LEDs indicate the state of the adapter. Table 3-1 and
Table 3-2 list the different LED states for each adapter.
Table 3-1 A6826A LED States
2 Gb Link
(Green)
1 Gb Link
(Amber)
Probable Cause
Recommended
Action
Off Off System is not powered on. Power on the system
On On Power On, before firmware
initialization
No action is required.
1 flash/second,
simultaneous with
amber LED
1 flash/second,
simultaneous
with green LED
Power On, after firmware
initialization
No action is required.
2 flashes/second,
alternate with
amber LED
2 flashes/second,
alternate with
green LED
Firmware fault Contact HP for
assistance.
Off On 1 Gb link-up No action is required.
On Off 2 Gb link-up No action is required.
Off 5 Flash/second Activity on 1 Gb link No action is required.
5 Flash/second Off Activity on 2 Gb link No action is required.
Table 3-2 AB378A, AB378B, AB379A & AB379B LED States
4 Gbps Link
(Yellow)
2 Gbps Link
(Green)
1 Gbps Link
(Amber)
Probable Cause
Recommended
Action
Off Off Off Power off Power on the system.
On On On Power on (before
firmware
initialization)
No action is required.
1 flash/second 1 flash/second 1 flash/second Power on (after
firmware
initialization)
No action is required.
2 flashes/second 2 flashes/second 2 flashes/second Firmware Fault No action is required.
Off Off On, blinking 1 Gb Link
UP/ACT
No action is required.