HP J9151A Compatible 10GB SFP+ LR SMF,1310nm,10km for Procurve &lt;p&gt;ProCurve Gigabit Ethernet Transceiver is a 10-Gigabit transceiver in SFP+ form-factor that supports the 10-Gigabit LR standard, providing 10-Gigabit connectivity up to 10 km on single-mode fiber&lt;/p