Cisco S10G-B40U-PM-D-I | 10GbE SFP+, 10GBASE-ER BiDi, 1270/1330 nm, 40 km, LC simplex

A bi‑directional 10GbE SFP+ transceiver for single‑mode fiber, delivering up to 40 km reach over a single strand via WDM. This ER‑class BiDi unit uses 1270 nm/1330 nm wavelengths with an LC simplex connector, ideal for long‑distance 10G links when fiber resources are limited. Industrial temperature rating supports deployment in challenging environments.

Bi‑directional single‑fiber operation conserves fiber
- Up to 40 km 10G reach
- Industrial temperature rating
- Compact SFP+ footprint with LC simplex interface

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.