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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...
how do I determine pricing for a 5mg optical hand off including setup? Need ASAP and info at all would be great.
how the visibility of DWDM regain