Cisco SFP-10G-SR-S, 10GBASE-SR SFP+ Transceiver Module, 300M (Brand New Sealed)
Device Type: SFP+ transceiver module. The Cisco SFP-10G-SR-S, 10GBASE-SR module, supports 10GBASE-SR Small Form-factor Pluggable Plus (SFP+). Supports link lengths of 26 m on standard FDDI-grade multimode fibre.