To answer your question, from my knowledge GLC-SX-MM won't work with single mode fiber, if need be you can order some single mode fiber SFPs. If you wanted to do something cheaper, what about just running Cat 5e the 200ft distance, would that be viab...

Hello Anasmomo,It seems that you are trying to use a multimode fiber SFP for single mode fiber over short distance. Why exactly are you trying to accomplish with this? As previous posts said the GLC-SX-MM is a multimode fiber module for shortwave len...