JNP-QSFP-40G-LR4 — 40GBase-LR4 10km SMF

The JNP-QSFP-40G-LR4 is a Juniper QSFP+ transceiver compliant with the 40GBase-LR4 standard, transmitting 40 Gbps over 10 kilometers on single-mode fiber through wavelength multiplexing across four distinct channels, with a Duplex LC connector. Its 10 km SMF reach clearly differentiates it from the IR4 (2 km) and ER4 (40 km) variants in the same product family.

This transceiver is aimed at enterprise networks and campus infrastructures requiring long-reach 40G links between remote buildings or between POPs, while retaining simple single-strand LC cabling. The JNP-QSFP-40G-LR4 is genuine Juniper hardware, manufacturer warranty.