In cabling specs and compliance information under Cabling considerations for GBICs there is a table that specifies cabling distance for a given GBIC model and fiber type. I am having some difficulty finding a definition for the 'modal bandwidth' column. It seems to have significant effect on distance but I don't know how to determine what my particular modal bandwidth is.
Is there a definition for Modal Bandwidth? Can I take a measurement of some sort to establish my modal bandwidth? Any light that you can throw on this would be deeply appreciated.
Modal bandwidth is a multi-mode fiber spec. You'll need to look that up for your particular cable. It's a measure of the amount of smearing the light wave will encounter as a result of the multiple modes/paths within the fiber.
We are pleased to announce availability of Beta software for 16.6.3.
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