SFP-10G-ER 10GBASE-ER SFP module
SFP-10G-ER Module
SFP-10G-ER Module supports a link length of up to 40 kilometers on standard single-mode fiber (SMF, G.652). Meer informatie op : http://www.cisco.com/en/US/prod/collateral/modules/ps5455/data_sheet_c78-455693.html