Cisco Rugged SFP - SFP (mini-GBIC) transceiver module

1GbE - 1000Base-SX - LC/PC multi-mode - up to 550 m - 850 nm - refurbished - for Cisco 2010, 2520, 3270; Catalyst 2960, ESS9300; Industrial Ethernet 30XX; MWR 2941