24 Service Manual (AA-RTDXC-TE, July 2004)

Diagnostics

79Edge Switch 2/24 Service Manual

Verify operation of the Ethernet hub or hubs. Inspect each hub for indications of

being powered on, such as:

■ Green Power LED illuminated.

■ Green Status LEDs illuminated.

Is a hub failure indicated?

YES NO

↓ Go to step 16.

Remove and replace the Ethernet hub. Refer to the supporting documentation

shipped with the hub for instructions.

Did hub replacement solve the problem?

NO YES

↓ The switch-to-HAFM appliance connection is restored and appears

operational. Exit MAP.

Contact the next level of support. Exit MAP.

A problem with another LAN-attached device is indicated.

■ If the problem is associated with another switch or HAFM appliance, go to

“MAP 0000: Start MAP” on page 32 to isolate the problem for that device.

Exit MAP.

■ If the problem is associated with an unrelated device, notify the customer and

have the system administrator correct the problem.

Did repair of an unrelated LAN-attached device solve the problem?

NO YES

↓ The switch-to-HAFM appliance connection is restored and appears

operational. Exit MAP.

The Ethernet adapter on the switch CTP card reset in response to an error. The

connection to the HAFM appliance terminated briefly, then recovered upon reset.