The JBX01811 is a premium 10GBASE-ER SFP+ optical transceiver specifically designed for long-distance, high-speed network applications requiring extended transmission ranges. This module delivers 10 Gigabit Ethernet performance across single-mode fiber spans up to 40 kilometers, making it ideal for metropolitan area networks (MANs), wide area networks (WANs), and inter-datacenter connectivity scenarios. Key Technical Features: Operating at 1550nm wavelength, the transceiver leverages extended-range (ER) technology to achieve superior performance over standard multi-mode or short-reach options. The Duplex LC/UPC fiber connector ensures reliable, low-loss connections with professional-grade optical interfaces. Construction features a robust metal case housing an integrated laser transmitter, providing both physical protection and optimal optical performance. Compliance & Certification: This module meets stringent industry standards including IEEE 802.3ae, SFF-8431, and SFF-8472 specifications. It carries comprehensive safety certifications: Class 1 Laser classification, TUV approval, UL certification, and FDA compliance (21CFR 1040.10). RoHS/ELV compliance ensures environmentally responsible manufacturing and disposal practices. Juniper Compatibility: Perfectly suited as a replacement for Juniper SFPP-10GE-ER-XT modules, this transceiver integrates seamlessly into existing Juniper infrastructure. Custom brand programming is available for OEM deployments and white-label solutions. Operational Advantages: The wide operating temperature range (-10°C to 85°C) accommodates diverse deployment scenarios from climate-controlled datacenters to outdoor equipment cabinets. Compact form factor (5x4x2mm) ensures compatibility with standard SFP+ module slots, facilitating easy installation and hot-swapping when needed. Ideal Applications: Service providers expanding network reach, enterprises building resilient campus networks, and data center operators requiring cost-effective long-distance connectivity benefit from this module's proven reliability. Whether supporting carrier-class services or enterprise-grade WAN links, the JBX01811 delivers performance meeting the demands of modern high-speed networks. Backed by a 90-day limited warranty and supported by free standard shipping on orders over $99, this transceiver represents excellent value for network infrastructure investments.