The JBX03212 2m Active Optical Cable represents cutting-edge fiber optic technology for enterprise-grade network deployments. This QSFP-DD breakout AOC delivers 400GB data transmission capabilities through a sophisticated optical interface, making it an essential component for next-generation data center infrastructure. **Technical Specifications:** This cable features a QSFP-DD form factor on one end connecting to four QSFP56 ports, enabling flexible port expansion on high-speed switches and network equipment. The 16-strand OM3 50/125 multimode fiber core supports the 400GBASE-SR8 transmission standard with exceptional signal integrity. At 2 meters in length, it's ideally suited for intra-rack and adjacent rack connectivity without unnecessary slack or signal degradation. **Compliance & Safety:** Fully certified to IEEE 802.3cm and QSFP-DD MSA standards, this cable meets the most rigorous industry requirements. The LSZH OFNR-rated jacket provides superior flame resistance and environmental safety, critical for installations in buildings with strict fire codes. RoHS and ELV directive compliance ensures lead-free construction and compliance with EU environmental regulations. Class 1 Laser certification and TUV/UL/FDA approvals guarantee safe operation in professional environments. **Performance & Reliability:** The Arista AOC-D-4Q-400G-2M compatible design ensures plug-and-play installation with Arista switching equipment. Operating across a wide temperature range (0-70°C), this cable maintains consistent performance in diverse data center climates. The plastic jacketing with precision fiber alignment delivers low insertion loss and exceptional signal fidelity. **Applications & Benefits:** Ideal for data center operators, network administrators, and system integrators seeking high-speed interconnectivity. Perfect for cloud infrastructure, high-performance computing clusters, and enterprise switching deployments. The 90-day limited warranty provides confidence in your investment, while free standard shipping on orders over $99 offers exceptional value. **Why Choose This AOC:** Unlike traditional copper cabling, active optical cables eliminate EMI interference and support significantly longer transmission distances. The compact form factor reduces cable clutter while the QSFP-DD to QSFP56 breakout configuration enables efficient port utilization on modern network infrastructure.