Huawei S7706 core switch chassis with 3. 84Tbps switching capacity, 6 service slots, native AC for wireless management, and unified user authentication. (Video) How does Huawei PEN innovate for a green and low-carbon future? S7700&S8700&S9700&S12700&S16700 Series S7706: Access product manuals, HedEx documents, product images and visio stencils. The Huawei S7706 AC Bundle is a modular, high-performance Layer 2/3 core switch system, designed to meet the needs of medium-to-large enterprise networks, data centers, and metro access scenarios. This bundle includes a brand new Huawei S7706 chassis paired with the ES0B00770600 Main Control Board. Huawei's S7706 Assembly Chassis offers a robust and scalable network solution designed for high-performance enterprises.