Further information for HP J9151E switch transceiver SFP+ 10GB LR
ProCurve 10-GBE SFP+ LR Transc - 10-GbE SFP+ LR Transceiver, a 10-Gigabit transceiver in SFP+ form-factor that supports the 10-Gigabit LR standard, providing 10-Gigabit connectivity up to 10 km on singlemode fiber