Cisco DS-X2-FC10G-SR 850nm 10Gbps 300m Duplex SC X2 Transceiver Module 10-2258-01.
Data Transfer Rate: 10Gbps
Input/Output Ports: Duplex SC
Form Factor: X2
Features: Media: MMF; DOM Support: Yes; Commercial Temperature Range: 0 to 70°C; TX Power: -7.3~-1.2dBm; Receiver Sensitivity: < -11.1dBm.