The JBX03451 75m Cisco QSFP-4XLC-AOC75M Compatible 40GBASE-SR4 Active Optical Cable represents cutting-edge connectivity for modern data centers and enterprise networks. As a specialized breakout cable, it converts a single QSFP+ port into four independent LC duplex connections, enabling flexible network architecture and maximizing existing infrastructure investments. **Technical Excellence** This active optical cable features 8 fiber strands constructed from OM3 50/125 multimode fiber, specifically engineered for 40GB operations over extended distances. The 75-meter length accommodates medium-range interconnects between equipment racks, server clusters, and network switches without signal degradation. Operating temperatures from 0-70°C ensure reliable performance in both controlled data center environments and variable climate conditions. **Safety & Compliance** Fully qualified to IEEE 802.3ba specifications and SFF-8436 standards, the JBX03451 undergoes rigorous testing to ensure signal integrity and reliability. Class 1 Laser safety certification, TUV, and UL/FDA compliance (21CFR 1040.10) guarantee equipment and personnel safety. The OFNR LSZH jacketing provides superior flame resistance and low smoke generation, critical for enclosed data center installations. **Installation & Integration** The LC duplex connector configuration offers seamless compatibility with standard network equipment. The plastic jacketing with integrated fiber strands provides excellent durability while maintaining flexibility for installation in cable trays and conduits. Custom brand programming is available for OEM applications. **Value Proposition** This cable delivers enterprise-grade performance at competitive pricing with free standard shipping on orders over $99. The 90-day limited warranty demonstrates manufacturer confidence in quality and longevity. Manufactured in Vietnam and China with strict quality controls, the JBX03451 provides reliable connectivity for mission-critical network applications requiring high-speed data transmission over extended distances. **Applications** Ideal for data center backbone connectivity, server-to-switch aggregation, storage area networks (SANs), and high-frequency trading environments where low-latency, high-bandwidth connections are essential. Perfect for enterprises standardizing on Cisco infrastructure seeking cost-effective 40GB solutions.