Category: SONET/SDH

What is SONET & SDH? SONET and SDH are a set of related standards for synchronous data transmission over fiber optic networks. SONET stands for…

  Check this URL to see all light level of Cisco module http://www.cisco.com/en/US/products/hw/modules/ps5455/prod_module_series_home.html   =========== CISCO 12008 =========== 4-port OC-3/STM-1 ATM/SDH MM LC w/SC (…

Scrambling for POS interfaces is set on the interface itself. It is not a controller option..   Cisco Router# sho int pos5/1 POS5/1 is up,…

This is very useful documentation for SONET basic 101. Must see if you are learning SONET or refresh your SONET knowledge. http://www.cisco.com/en/US/tech/tk482/tk607/technologies_tech_note09186a0080124afa.shtml

Question; Hi, I saw NSE and PSE counts are increasing big time on our SONET interface. My Cisco has 1 OC12 POS controller with 12.2…