8900-A2-GB20-50
August 2005
5-1
5
Diagnostics
Overview
The ATM line cards provide the following diagnostic tools:
Lamp Test
on page 5-1
— Tests the front panel LEDs on a line card.
Loopback Test (Model 8985 Only)
on page 5-2
— Performs Loopback test on the SHDSL span of the network for
Model 8985 cards.
Lamp Test
Use the Tests - Lamp Test screen to verify that the front panel LEDs on line card
are functional.
Procedure
To test the LEDs:
1. Select a Slot from the drop-down list.
2. Click on Start Lamp Test. The button changes to Stop Lamp Test, and power is
applied to all LEDs on the card’s front panel.
3. When you have checked the LEDs, click on Stop Lamp Test.
If all LEDs did not light up, contact your service representative.
