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Chapter 3 Troubleshooting
Indicators
Quantum TC2201 User’s Guide 57
Figure 44 TC2201 LEDs
Power/fault
Ethernet Activity
iSCSI Activity SCSI Activity for Bus 0 SCSI Activity for Bus 1
iSCSI Link Status
The LED functionality of the TC2201 is detailed below:
• Power and Fault (Pwr)—This indicator is a bi-color LED. When green,
this indicator shows that power is currently active. Lack of power
indication suggests that the unit is turned off, a problem with the
power supplied to the unit, or an internal problem with the unit.
When this indicator is amber, this indicator shows that the TC2201
detects a fault condition. Faults can occur as a result of Power On Self
Test (POST) failure or operational failures. It is normal for this
indicator to flash on when the unit is powered up or reset. If the fault
indicator stays lit, contact your product support representative.
• iSCSI (Lnk/Act)—When lit green, the upper indicator signifies a good
iSCSI link on the port. When lit green, the lower indicator signifies
iSCSI port activity. If the Link indicator fails to light at all, or if the
Activity indicator stays continually lit without corresponding SCSI
bus activity, there may be a problem with the iSCSI configuration.
Verify the iSCSI configuration.
• SCSI Bus (0, 1)—When lit, these green indicators signify SCSI activity
on the bus corresponding to the number of the indicator. Activity
should be indicated only occur briefly during power up or
configuration, and relatively often when the unit is transferring data.
If an Activity indicator stays continually lit without corresponding
target device activity, there may be a problem with the SCSI bus
configuration. Verify the SCSI bus configuration.
• Ethernet (10/100)—When lit, these green indicators signify Ethernet
link status and activity. If either of these indicators fail to flicker, or
stay continuously lit, there may be a problem with the network
connection or configuration. Verify the network connection and
configuration. The port must be connected to a 10/100BaseT Ethernet
network to function properly.