The JBX01248 is a premium 40GBASE-LR4L QSFP+ transceiver engineered for high-speed, long-distance optical networking. This module represents an excellent solution for organizations seeking cost-effective alternatives to OEM components while maintaining full compatibility with Juniper network equipment. **Key Features:** The transceiver delivers 40Gbps data rates over singlemode fiber with a maximum transmission distance of 2 kilometers. Its duplex LC/UPC fiber connectors ensure reliable connections with minimal signal loss. The compact QSFP+ form factor allows for high-density port configurations in network switches and routers. With 9/125 micron core singlemode fiber specifications, it supports IEEE 802.3ba standards, ensuring interoperability across standards-compliant equipment. **Technical Specifications:** Operating temperature range spans 0-70°C (32-158°F), accommodating various deployment environments. The module measures 5x4x2 inches with a lightweight metal construction featuring integrated laser transmission technology. Custom brand programming is available for organizations requiring proprietary identification. **Compliance & Safety:** This transceiver meets stringent international safety and environmental standards, including Class 1 laser certification, FDA 21CFR 1040.10 compliance, and RoHS/ELV directives. TUV and UL certifications provide additional assurance of product quality and reliability. **Applications:** Ideal for data centers, enterprise campus networks, and metropolitan area connections where 40G connectivity is required. Perfect for organizations upgrading infrastructure while maintaining investment in existing Juniper equipment. Suitable for server interconnects, switch uplinks, and redundant network paths. **Warranty & Support:** Backed by a 90-day limited warranty with free standard shipping on orders over $99. Ships from conveniently located distribution centers in California and South Carolina for rapid deployment.