Network Card User Manual

OMMAND

INE

NTERFACE

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show controllers efm interface-id actual

Use this command to display the current values of the VDSL link on a

specific VDSL port.

Syntax

show controllers efm interface-id actual {dsrserrs | usrserrs |

txpower | rxpower | snr | link}

• interface-id - ID of the VDSL port.

• actual - Displays the VDSL port current status, which might not

be the same as the administratively configured settings.

• dsrserrs - Displays the downstream Reed-Solomon errors on the

VDSL port.

• link - Displays the VDSL link status of the VDSL port.

• rxpower - Displays the local receive power (dBm/Hz) on the

remote customer premises equipment (CPE) port.

• snr - Displays the signal-to-noise ratio (SNR) ratio on the VDSL

port.

• txpower - Displays the remote transmit power (dBm/Hz) on the

VDSL port.

• usrserrs - Displays the upstream Reed-Solomon errors on the

VDSL port.

Default Setting

None

Command Mode

Privileged EXEC

Command Usage

SNR and Reed-Solomon error information displays the quality of the

VDSL link.

• The SNR represents the upper limit of received signal to noise

ratio that the switch will handle before disconnecting from the

remote CPE.