I guess I mis-read Chiyoung's shorthand, i.e., "giga fiber", which I took to mean beaucoup fibers. Please excuse the noise. Frank A. Coluccio DTI Consulting Inc. 212-587-8150 Office 347-526-6788 Mobile On Fri Nov 30 11:43 , Sean Donelan sent:
On Fri, 30 Nov 2007, Frank Coluccio wrote:
Unless I'm misreading the requirement, this sounds like a job for a Calient or a Glimmerglass optical switch, capable of non-intrusive bridging and/or insertion. For large jobs, in any case.
A demo of the Glimmerglass device can be viewed on the company's "Government Signals Monitoring and Analysis" page:
This is probably bit more than would be needed for the apparent application of monitoring a particular routing point for a LAN. A simple passive fiber tap may be sufficient.
An optical switch may be more suitable when you have large numbers of sources and need to dynamically monitor a subset of different fibers on a regular basis. Installing a switch is less useful if you need to check a particular fiber on a permanent basis.
Of course, if you already have an "optical DACS" in your network, then it makes sense to use it instead of installing something else.
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Frank Coluccio