Service manual

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McDATA Sphereon 4400 Fabric Switch Installation and Service Manual
Repair Information
Figure 4-14 Port Diagnostics Dialog Box
5. Click Start Test. The test begins and:
a. The Start Test button changes to a Stop Test button.
b. The message Port xx: TEST RUNNING appears.
c. A red progress bar (indicating percent completion) travels
from left to right across the Completion Status field.
When the test completes, results appear as Port xx: Passed! or
Port xx: Failed! in the message area of the dialog box.
6. When finished, click Cancel to close the Port Diagnostics dialog
box.
7. Reset the port:
a. At the Hardware View, right-click the port graphic. A pop-up
menu appears.
b. Select Reset Port. A message box appears, indicating a link
reset will occur.
c. Click OK. The port resets.
8. Inform the customer the test is complete and the attached device
can be set online.
External Loopback
Test
An external loopback test checks all port circuitry, including
fiber-optic components of the installed optical transceiver. To
perform the test, the attached device must be quiesced and