JUNIPER / FINISAR EX-SFP-10GE-LR-A 10GE SFP+ Long Range Optical Transceiver Genuine & Authentic Part Number: 740-021309 (EX-SFP-10GE-LR & QFX-SFP-10GE-LR)Description: Juniper Finisar EX-SFP-10GE-LR 10GE long range optical SFP+ transceiver.