SFP-50G-LR-I — SFP56 25/50 Gbps

The Cisco SFP-50G-LR-I is a duplex SFP56 module providing 25 or 50 Gbps connectivity over single-mode fiber with a reach of up to 15 km. Unlike the simplex BX variants, it relies on duplex cabling (two fibers) with an LC (UPC) connector, giving it broad compatibility with standard IEEE 25GBASE-LR and IEEE 50GBASE-LR LR links. Its industrial temperature range from -40 to 85 °C ensures reliable operation in demanding environments.

This transceiver is suited to hyperscale data centers and long-distance networks requiring LR compliance over two dedicated fibers. The SKU SFP-50G-LR-I is sized to replace or scale out existing 25G or 50G links in Cisco racks. Genuine Cisco hardware, manufacturer warranty.