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

Repair Information

192 Director 2/64 Service Manual

External Loopback Test

To perform an external loopback test for a single port or a UPM card (four ports):

1. Notify the customer a disruptive external loopback test will be performed on a

port or UPM card, and the fiber optic cable or cables will be disconnected.

Ensure the customer’s system administrator quiesces Fibre Channel frame

traffic through the port or UPM card and sets attached devices offline.

Note: At the start of the loopback test, the port or UPM card can be online, offline,

blocked, or unblocked.

2. Open the HAFM application. The View All - HAFM 8 main window displays.

3. Double-click the icon representing the director for which the loopback test

will be performed. The Hardware View for the selected director displays.

4. At the Hardware View, verify the location of the port or UPM card to be

tested. When the mouse pointer is passed over a graphical UPM card on the

front view of the director, the card highlights with a blue border and a pop-up

displays with the following information:

— Port card type (UPM).

— Chassis slot number (0 through 15 inclusive).

— The four consecutive port numbers on the selected card. Valid port

numbers are in the range of 0 through 63 inclusive.

5. Reset each port to be tested:

a. At the Hardware View, double-click the UPM card for which ports are to

be tested. The Port Card View displays.

b. At the Port Card View, right-click the tested port. A menu displays.

c. Click Reset Port. A reset warning box displays.

d. Click OK. The port resets.

e. Click Back To Full View to return to the Hardware View.