Understanding 100G OTN Error & Alarm Conditions – LOL

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

Loss Of Lane Alignment (LOL) is declared on 100G interfaces when it has not been possible to successfully recover the Logical Lane Marker (LLM) from the logical lanes and then re-assemble the OTU4 frame. During the lane recovery process the LLM will be present in a lane every 16320 bytes, when the same LLM value […]

Tagged with:  

Understanding 100G Ethernet Error & Alarm Conditions – High BER

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

100G Ethernet includes a process that continually monitors the performance of  received PCS data and triggers an alarm condition in the event that an excessive error ratio is detected. When receiving data at the PCS each lane is checked for errors in the 2 bit sync header in each 66b block. A counter is maintained […]

Tagged with:  

Looking for something?

Use the form below to search the site:

Still not finding what you're looking for? Drop a comment on a post or contact us so we can take care of it!

Visit our friends!

A few highly recommended friends...