Get on Amazon.com : http://www.amazon.com/gp/product/B00BUBW2SQ?tag=clothingattes-20
StarTech.com Gigabit Fiber SFP Transceiver Module SM LC 10km Mini-GBIC with 1310nm 1000Base-LH
Replace defective or damaged MSA or Cisco SFPs
Extend your network connectivity up to 10km
Data rates up to 125 Gbps
Supports distances up to 10 km 62 miles
Complies with SFP Multi-Source Agreements standards MSA
Compatible with Cisco equipment