The JBX01785 10GBASE-ER SFP+ Transceiver represents enterprise-grade optical connectivity for demanding network infrastructure. Operating at a 1550nm wavelength, this module achieves exceptional 40-kilometer transmission distances over single-mode fiber, making it ideal for carriers, service providers, and large-scale data center operations requiring extended reach connectivity. Key Features: - 10 Gigabit Ethernet performance (IEEE 802.3ae compliant) - 1550nm wavelength for extended range applications - 40km transmission distance over standard single-mode fiber - Duplex LC/UPC connectors for secure, low-loss connections - SFF-8431 and SFF-8472 compatible form factor - Brocade 10G-SFPP-ER direct compatibility Technical Specifications: - Data Rate: 10 Gbps - Fiber Type: Single-mode - Operating Temperature: -10°C to 85°C - Dimensions: 5.0 x 4.0 x 2.0 inches - Form Factor: SFP+ (Small Form-factor Pluggable) - Connector Type: Duplex LC/UPC Compliance & Certifications: This transceiver meets stringent industry standards including IEEE 802.3ae, RoHS/ELV directives, and EU 2002/95/EC compliance. Safety certifications include Class 1 Laser designation, TÜV, UL, and FDA 21CFR 1040.10 approval, ensuring safe operation in all professional environments. Applications: Perfect for metropolitan area network (MAN) extensions, campus backbone connections, carrier interconnects, and data center replication scenarios where distance and reliability are paramount. The 40km reach eliminates the need for expensive regenerators in many applications, reducing overall system cost. Quality Assurance: Comes with 90-day limited warranty and custom brand programming available. Ships with free standard shipping on orders over $99 from multiple US distribution centers (Danville, CA and Beaufort, SC). All units manufactured to specification in Vietnam or China with rigorous quality testing.