What is the difference between dark fiber and SONET relating to the 10GBaseER/EW. "ER is deployed over dark fiber and EW is used primarily with SONET". I am not grasping this due to the fact that I though dark fiber is generally fiber not in use."unlit". And also I though ER dealt with computer networking, were as EW dealt with telephone networking.
January 24, 2011 9:32 PM
January 30, 2011 6:39 PM