Keep long-distance 10 GbE links up without overbuilding the network. This Alcatel-compatible SFP+ transceiver from AddOn Networks is designed for single-mode fiber deployments that need LC connectivity and a 40 km reach. It fits cleanly into environments where access switches, aggregation layers, and remote facilities must stay connected across extended spans. The 10G-BX design supports bidirectional transmission over a single fiber pair, helping reduce cabling complexity compared with duplex optics in the same class. That makes it a practical choice for campus backbones, inter-building links, and service-provider edge environments where fiber count and port planning affect cost. For teams standardizing on compatible optics, this module offers a straightforward path to restore or expand 10 GbE connectivity without changing the surrounding infrastructure. It is a focused component for high-value links where distance, compatibility, and predictable optical performance matter more than generic commodity pricing.