3Com 5000 ATM manual Card Functions Card functions

Recovering from Problems 6-7

Verifying Critical Verify that the settings of the following critical parameters match those Parameters of the ATM switch to which the ATM Backbone SwitchModule is

connected:

■UNI version (default is 3.0)

■LEARP Quiet Time (default is 5 seconds)

■Configuration mode (LEC 1 default is Auto, default for other LECs is Manual)

■Interface mode (LEC 1 default is Enabled, default for other LECs is Disabled)

■ELAN Name (LEC 1 default is Admin, default for other LECs None)

■Vbridge assignment (LEC 1 default is vbridge 1, default for other LECs is Unassigned)

See the CoreBuilder 5000 ATM Backbone SwitchModule Command

Reference for more information on these parameters.

Verifying ATM OC-3	Use the following procedure to verify each of the following ATM OC-3
Card Functions	card functions:

1With the OC-3 fiber cables attached, verify that the Alarm LED of the ATM OC-3 card is illuminated green.

If the Alarm LED is illuminated green, reverse the fiber optic cable connections to the ATM OC-3 card and reverify the Alarm LED.

2Use the following command to check the additional port status indicators for the ATM OC-3 card:

CB5000> show port <slot.phy_num>

Verify that the display lists the following indicators:

■Status for the (PHY) port is OK

■Mode for the (PHY) port is Enabled