The JBX01243 40GBASE-LR4 QSFP+ transceiver represents a premium solution for organizations requiring high-performance optical networking capabilities. This module is engineered to deliver consistent 40Gigabit Ethernet performance over distances up to 10 kilometers utilizing singlemode fiber infrastructure, making it an ideal choice for campus interconnections and metropolitan area networks. Key Technical Specifications: Operating at 40Gbps data rates, this QSFP+ transceiver uses a duplex LC/UPC connector interface compatible with standard fiber distribution systems. The 9/125 singlemode fiber core ensures minimal signal degradation and maintains signal integrity across extended distances. The transceiver's compact form factor (5x4x2 inches) integrates seamlessly into existing network equipment while the metal case with integrated laser transmitter provides robust electromagnetic shielding. Compliance and Reliability: Qualified to IEEE 802.3ba and SFF-8436 specifications, the JBX01243 meets stringent industry standards for optical communications. Safety certifications include Class 1 Laser, TUV, UL/FDA, and 21CFR 1040.10 compliance, ensuring safe operation in diverse environments. The module maintains full RoHS and EU directive 2002/95/EC compliance, supporting corporate sustainability initiatives. Perfect Compatibility: Designed specifically for Palo Alto Networks environments, this transceiver directly replaces OEM part number PAN-QSFP-40GBASE-LR4. Custom brand programming is available for organizations requiring OEM-specific firmware configurations, ensuring seamless integration with existing network management systems. Durable Performance: Operating reliably across industrial temperature ranges (0°C to 70°C), the transceiver withstands demanding datacenter conditions. The 90-day limited warranty provides protection against manufacturing defects, while free standard shipping on orders over $99 makes this a cost-effective networking upgrade solution.