GL-E8021U-D / E8023U-D type ONU products fully comply IEEE 802.3-2005 and China Telecom EPON equipment technical requirements V2.1, with carrier-class operational, management and maintenance features, providing customers with high-speed data services. Its interface has linked via fiber and central office equipment on a PON. Product Features:?? Conform IEEE802.3-2005 CTC V2.1 standard and technical requirements. ? ?? Support Ethernet service layer switching and wire-speed forwarding business down the line. ? ?? Support frame filtering and suppression. ? ?? Supports standard 802.1Q Vlan, support VLAN translation. ? ?? Supports 4094 VLAN (802.1Q). ? ?? Supports dynamic bandwidth allocation (DBA). ? ?? Supports QoS, including traffic classification, priority marking, queuing and scheduling, traffic shaping and traffic control and so on. ? ?? Supports I高标准 Snooping. ? ?? Ethernet port speed, loop detection, two-story isolation. ? ?? Support power failure alarm. ? Support for remote reset and restart function? Support function to restore the factory parameters? Support data encryption? Support state detection and fault reporting functions? Support Power lightning and lightning protection service ports. ? CATV RF characteristics (optional) output level 95dBvu (input -6dbm) AGC operating range of 10dB CNR ≥46dB @ -6dBm (input) port characteristics:? 1 PON port 4 10 / 100M Ethernet port 1?? CATV interfaces (E8023U-D have this interface) optical properties:> Support Bidirectional WDM technology (Triplexer) Transmission> Interface Type: SC / PC, SC / APC (CATV type ONU)> maximum splitting ratio : 1:32> rate: up and down symmetric 1.25Gbps> transmission wavelength: 1310 nm> receiving wavelength: 1490 nm> output optical power: -1 ~ + 4dBm> Receiver sensitivity: 20 km maximum distance between the OLT and ONU supports other features : Certification: Complies with CE, FCC, ROHS and other standards EMC / EMI: meet the VCCI Class B, FCC Part 15 B standard safety: compliance with UL 60950 safety norms lightning surge voltage protection: meet ITU-T K.21 standard physical Features:? Physical Dimensions: 240 * 117 * 30? (length × width × height, unit: mm) Power: 5VDC power: 6W Temperature:? Working temperature: -10 ~ 55 ℃ Storage temperature: -30 ~ 60 ℃ Relative Humidity: 10 ~ 90% (non-condensing) scenarios characterized by: a unified open software and hardware architecture to provide robust network management function, the system can achieve flexible networking and management, with carrier-class operational, management, and easy maintenance features, both CATV RF characteristics, supports multiple VLAN and VLAN translation. Provide users with fiber to the building (FTTB, Fiber To The Building) and fiber to the home (FTTH, Fiber To The Home) solutions.