Cisco Multirate – XFP transceiver module – SONET/SDH, 10 GigE – 10GBase-LR, 10GBase-LW – LC single-mode – up to 10 km – OC-192/STM-64 – 1310 nm – for P/N: 4-10GBE-WL-XFP-RF, A9K-2T20GE-B-RF, A9K-8T-E, ME-3600X-24CX-M-RF, SPA-1X10GE-WLV2-RF