Dasan V5808 - ONU Laser down; Source MAC Address Monitoring

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UMN:CLI User Manual

V5808

656

side and CES UNI side)

To see the status of the ONU (ONT) UNI, use show onu uni-status command. (See

12.2.25 Displaying ONU Information)

12.2.6 ONU Laser Down

If a certain ONU’s laser is enabled consistently by an optical transceiver’s fault, all other

normal ONUs connected to the same OLT will be deregistered; a single ONU fault may

cause a whole network disruption.

To prevent such a problem, you can manually disable the laser (TX power of transceiver)

of the faulty ONU considered as the cause of the problem. By the way, if you disable the

laser without specifying laser-off time, the ONU needs a power reset to resume the laser.

To disable an ONU’s laser, use the following command.

Command

Mode

Description

onu tx-off-optic ONU-ID [<1-

65525>]

GPON-OLT

Disables an ONU’s laser for specified time. After the

time, the laser will be enabled.

ONU-ID: 1-128 or ONU serial number

1-65525: disable transceiver during input times

(unit:sec)

To guarantee a right operation of this feature, an ONU should be loaded with the newest

firmware.

12.2.7 Source MAC address Monitoring

The V5808 can monitor its source MAC table to find a defective ONUs (ONTs). Auto ONU

(ONT) blocking function can be used to manage and troubleshoot the defective ONU-