The Yuhong GXR101 series (hereinafter referred to as GXR101 or all-optical main gateway) is an all-optical convergence gateway device launched by Yuhong Company, supporting multiple upstream modes such as Ethernet GE/10G or GPON/XG(S)-PON to achieve enterprise all-optical access. In addition to other gigabit LAN ports, it also provides downstream PON ports to work with sub-optical modems to achieve wired or wireless access for terminals. Optional downstream POF ports (powered via optical-electrical composite cables) are available, and when used with WiFi-enabled sub-optical modems, they enable Wi-Fi wireless access. As an all-optical integrated optical gateway device, the GXR101 product series is suitable for deployment in small and micro enterprises, small hotels, bed-and-breakfasts, restaurants, childcare centers, KTV venues, supermarkets, clinics, and other network environments.