Have a try in Fiberstore. They may have the one you need. Or you could tell your requirements and they could provide custom service for you. Good luck!
http://www.fs.com/c/poe-media-converters_1186
You could buy a SFP compatible with your switch. Fiberstore is a good option as they have varous SFPs compatible with many brands and they could provide customized service according to your requirements.
Patch panel can be used for the use of connecting and routing circuits for monitoring, interconnecting, and testing circuits in a convenient, flexible manner. Get a Cat5e patch panel for more convenient management.http://www.fs.com/c/cat5e-patch-panels_590