The document provides specifications for the Huawei S3700-52P-EI-48S-AC network switch. It has 48 100 Mbps fiber optic ports, 2 combo 100/1000 Mbps fiber ports, and 2 1000 Mbps fiber ports. The switch supports features like VLANs, QoS, IP routing, and security functions. It is designed for resilient gigabit Ethernet switching in large data centers or enterprise campus networks. Recommended optical transceivers and specifications like dimensions, weight, and power consumption are also included.