3Com 3CXFP92 Transceiver - The 10GBase-LR XFP Transceiver from 3Com® enables one 10GBASE-LR connection. This XFP can be used in 3Com® switches and modules which support XFP transceivers. The XFP can be mixed and matched on a given switch to optimize flexibility. It is designed to support link length of up to 6.21 miles using single-mode fiber.