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Dark Fiber?

What is dark fiber?..

1 REPLY
New Member

Re: Dark Fiber?

Hi Adam,

dark fiber

An inactive optical fiber. Typically when fiber is laid some initially remains dark, or in reserve, for future use

from:

http://www.cisco.com/univercd/cc/td/doc/product/mels/dwdm/dwdm_gl.htm

Also:

"Dark fiber service" is service provided by local exchange carriers (LECs) for the maintenance of optical fiber transmission capacity between customer locations in which the light for the fiber is provided by the customer rather than the LEC.

HTH

Ali

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