DN9620 - Can I use single mode instread of multimode?

Many users have asked if they open up their DN9620 units and replace the standard multimode optical devices with single mode optical devices, can they then proceed to use single mode cable drums with their units.

Some users have performed this modification with various results, however the DN9620 circuit is designed for multimode ONLY and is NOT officially compatible with single mode networks.

If users choose to perform this modification, KLARK TEKNIK cannot support it.

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