IBM Partner Pavilion DS4100 manual If the Ethernet connection is 10BASE-T

Table 13. RAID controller LEDs (continued)

Icon	LED	Color	Operating states1
	Expansion	Amber	v Off - Normal operation.
	port bypass		v On - One of the following situations has
			occurred:
			– An SFP module is inserted in the drive
			loop port and the fibre-channel cable is
			not attached to it.
			– The fibre-channel cable is not attached
			to an expansion unit.
			– The attached expansion unit is not
			turned on.
			– An SFP has failed, a fibre-channel
			cable has failed, or an SFP has failed
			on the attached expansion unit.
	Expansion	Green	v On - Normal operation.
	loop		v Off - The RAID controller circuitry has
			failed, or the RAID controller has no
			power.
2Gbps	Fibre channel	Green	v On - Normal operation (host connection is
	port speed		at 2 Gbps)
			v Off - Host connection is at 1 Gbps
10BT	10BT	Green	v If the Ethernet connection is 10BASE-T:
			The 10BT LED is on, 100BT LED flashes
			faintly.
			v If the Ethernet connection is
100BT	100BT		100BASE-T:10BT LED is off, 100BT LED
			is on.
			v If there is no Ethernet connection - Both
			LEDs are off.

1Always use the DS4000 Storage Manager client to identify the failure.

Fan fault LED

Fan fault LED	Power LED	Power supply	Power LED
		fault LEDs

f10ug026

Figure 59. Fan and power supply LEDs

Table 14. Fan LED

LED	Color	Operating states1
Fault	Amber	v	Off - Normal operation.
		v	On - The fan CRU has failed.

74IBM TotalStorage DS4100 Storage Server: Installation, User’s, and Maintenance Guide