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4-4 Chapter 4
Troubleshooting Guide
Troubleshooting
Problem: Cannot Turn On the Hub (DLT
Only)
If the hub will not power-up, use the following steps before taking further
action:
1. Verify all power connections, breakers, and switch settings are
working and correct.
2. Confirm that the power indicator is illuminated.
3. Verify that the fault indicator is not illuminated.
4. If the fault indicator is illuminated, the hub is inoperable; further
diagnostic procedures cannot be performed. Contact the sales
representative or an HP service representative.
Problem: Cannot Turn On the Fibre Bridge
If the Fibre Bridge will not power on, use the following procedures to
diagnose the problem:
1. Verify that all power connections, breakers, and switch settings are
powered on and are set correctly.
2. Confirm that the power indicator is illuminated green.
3. Verify that the fault indicator (amber) is not illuminated.
4. If the fault indicator is illuminated, the unit is inoperable; further
diagnostic procedures cannot be performed. Contact the sales
representative or an HP service representative.
Problem: Cannot Confirm the Library
Connection
1. Confirm the library connection by using the control panel menu on
the NT server to review the SCSI device folder.
NOTE The NT discovery process is not dynamic. When SCSI devices are
powered on after the host, the control panel will not display their
connection.