Understanding 100G Ethernet Error & Alarm Conditions – Loss Of Block Lock

On , in All Posts, Client Side, Errors & Alarms, Ethernet, by Tony Goodchild

On the 100G Ethernet interface the Loss Of Block Lock (LOBL) alarm is raised when it is not possible to lock onto the sync. header within the 64b/66b line coded blocks. As the serial stream of blocks are distributed over the 20 PCS lanes during transmission the LOBL alarm should be reported within a specific […]

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