The 10GBASE-ER SFP+ 1550nm transceiver is a professional-grade optical module designed for long-distance, high-speed network communications. This module is specifically engineered to support 10 gigabit ethernet applications requiring extended reach capabilities, making it ideal for metro and regional network deployments across enterprise environments, service providers, and large-scale datacenters. Key Technical Specifications: Operating at 1550nm wavelength with single-mode fiber support, this transceiver achieves impressive transmission distances up to 40km over standard SMF cabling. The duplex LC/UPC connectors provide superior optical performance with minimal insertion loss and return loss, ensuring signal integrity over extended distances. Operating temperature range of 0-70°C accommodates diverse environmental conditions typical in network closets and datacenter facilities. Compatibility & Integration: Fully compatible with Extreme Networks 10GB-ER-SFPP equipment, this transceiver serves as a cost-effective alternative for upgrading existing infrastructure. It meets all IEEE 802.3ae specifications and qualifies for SFF-8431 and SFF-8472 standards, ensuring interoperability with compliant network switches and routers. Safety & Compliance: Constructed with a robust metal case and featuring advanced laser transmitter technology, the module incorporates multiple safety certifications including Class 1 Laser, TUV, UL/FDA, and 21CFR 1040.10 compliance. RoHS and ELV directive compliance ensures environmental responsibility. Value & Support: Backed by a 90-day limited warranty, this transceiver includes custom brand programming capabilities for seamless network integration. Ships from convenient U.S. locations with free standard shipping on orders over $99, providing quick delivery to your facility.