Huawei OptiXstar B850/B650 series products are gateway-type optical network units (ONUs) designed for enterprise users. The B850/B650 can provide VxLAN and IPsec private lines for cloud access, and provide users with multiple services such as wireless office, voice, and HD video. By working with a network management system, the B850/B650 supports remote fault diagnosis, fast service provisioning, and automatic configuration. The products can be placed horizontally on a desktop, mounted on a wall, or installed in a 19-inch cabinet or network box to meet the requirements of different scenarios.