Service manual

4
Repair Procedures - SAN Management Application
4-43
Repair Information
disconnected from the port, and a multimode loopback plug must be
inserted in the port. To perform the test:
Inform the customer a disruptive external loopback test is to be
performed and the attached device must be disconnected.
1. Disconnect the fiber-optic jumper cable from the port to be tested.
2. Insert a multimode loopback plug into the port receptacle.
3. Select Port Diagnostics from the Maintenance menu
(Maintenance>Port Diagnostics). The Port Diagnostics dialog box
appears (Figure 4-14).
4. Type the port number to be tested or select all ports at the Port
Select area of the dialog box.
5. Select the External Loop option at the Diagnostics Test list box,.
6. Click Next. At the Port Diagnostics dialog box, the message
Loopback plug(s) must be installed on ports being diagnosed
appears.
7. Ensure that the loopback plug is installed and click Next. The
message Press START TEST to begin diagnostics appears, and
the Next button changes to a Start Test button.
8. 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.
9. When finished, click Cancel to close the Port Diagnostics dialog
box.
10. Remove the loopback plug and reconnect the fiber-optic jumper
cable from the device to the port (disconnected in step 1).
11. 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.