It can be used on either. It is single mode by design, but if used with a modal conditioning patch cable it can also be used on multimode fibre (at a shorter distance).
The patch cable inserts a single to multi splice on the transmit path, to 'fill' the multimode fibre with light. They are more expensive than 'normal' patch cables, but are necessary if using these on multimode fibre.
Last Wiki Answer Submitted: July 7, 2009 5:27 pm by BlankReg12,265 pts.
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