Industrial grade design • Operating temperature range from -40 ˚C to +70 ˚C • No fan, Natural heat dissipation High Reliability,High Security • Type B service protection • 802. 1x authentication、 Firewall、DoS/ARP anti-attacks and other security features Easy Deployment • PoF Remote. The utility model discloses a low temperature prevention type passive optical network ONU device, which comprises a host and a bottom box; the host computer is as an organic whole structure with end box, be equipped with the several bleeder vent on the baffle between host computer and the end box. Huawei OptiXstar P813E-E is an Optical Network Unit (ONU) with eight GE ports that support Power over Ethernet (PoE) and Power over Ethernet Plus (PoE+), delivering high-quality voice, data, and High-Definition (HD) video services. As such, the device is well suited to enterprise campus and video. The OptiXstar T602E is an industrial-grade ONU for the Huawei Industrial Optical Network solution. It provides one GPON upstream ports on the network side and four GE Ethernet ports on the user side. Unlike standard ONUs used in residential settings, industrial ONUs are engineered for durability, reliability, and continuous operation under. Grandway ONU has a wide range of products, providing the final optical and electrical conversion from optical fiber to home, with strong working performance and stability. The equipment provides one optical interface that. Discover our selection of GPON, EPON, and XG (S)PON ONT/ONU devices.