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

Diagnostics

50 Edge Switch 2/24 Service Manual

■ Illuminated LEDs adjacent to Fibre Channel ports.

■ Audio emanations and airflow from cooling fans.

Does the switch appear powered on?

YES NO

↓ A power distribution problem is indicated. Go to step 38 to obtain

event codes. If no event codes are found, go to “MAP 0100: Power

Distribution Analysis” on page 54. Exit MAP.

A faulty PWR LED is indicated, but switch and Fibre Channel port operation is

not disrupted. The LED is connected to CTP card circuitry, and if this problem is a

concern to the customer, the switch must be replaced. Exit MAP.

Is the amber ERR LED at the switch front bezel blinking?

YES NO

↓ Go to step 47.

Unit beaconing is enabled for the switch.

1. Consult the customer and next level of support to determine the reason unit

beaconing is enabled.

2. Disable unit beaconing.

a. At the Hardware View, right-click the front bezel graphic (away from a

FRU). A pop-up menu appears.

b. Click the Enable Unit Beaconing option. The check mark disappears

from the box adjacent to the option, and unit beaconing is disabled.

Was unit beaconing enabled because switch failure or degradation was suspected?

YES NO

↓ The switch appears operational. Exit MAP.

Go to step 39 and perform fault isolation again (at the switch).

Is the amber ERR LED at the switch front bezel illuminated?