64 Service Manual (AA-RS2ED-TE, July 2004)

Repair Information

193Director 2/64 Service Manual

6. Disconnect the fiber optic jumper cable from the port to be tested. If a UPM

card will be tested, disconnect all four fiber optic jumper cables.

Caution: If name server zoning is implemented by port number, ensure the

fiber optic cables that are disconnected to perform the loopback test are

reconnected properly. A cable configuration change disrupts zone operation

and may incorrectly include or exclude a device from a zone.

7. If the port to be tested is shortwave laser, insert a multi-mode loopback plug

into the port receptacle. If the port to be tested is longwave laser, insert a

single-mode loopback plug into the port receptacle. If an entire UPM card will

be tested, insert an appropriate loopback plug in all four port receptacles.

8. Click Maintenance > Port Diagnostics. The Port Diagnostics dialog box

displays, as shown in Figure 47 on page 190.

9. Select a port or UPM card for test:

— To select an individual port for test, type the port number (0 through 63)

in the Port Number field.

— To select a UPM card for test, type the port number of any of the four

ports an the card in the Port Number field, then click All ports on card.

10. Click External Loop on the Diagnostics Test drop-down list.

11. Click Next. Beaconing initiates for the port or UPM card selected for test. At

the Hardware View, a yellow triangle displays at the top of the UPM card. At

the Port Diagnostics dialog box, the message Loopback plugs must be

installed on ports being diagnosed displays.

12. Verify loopback plugs are installed and click Next. The message Verify

selected ports are beaconing displays.

13. Verify that beaconing is enabled and click Next. The message Press

START TEST to begin diagnostics displays, and Next changes to

Start Test.