XDK-E8021U-B type ONU products fully comply with IEEE 802.3-2005 and the China Telecom EPON device technical specification (V2.1). It is operative, manageable and maintainable at telecommunication level, and can provide high speed data service for customers. It has a PON uplink port that connects to office end apparatus through optical fiber.

Product features:

• Conform to IEEE802.3ah standard
• Support Ethernet service layer 2 switching and wire-speed forwarding of uplink and downlink services
• Support frame filtering and suppression
• Support standard 802.1Q Vlan function, support VLAN conversion
• Support 4094 VLANs (802.1Q)
• Support Dynamic Bandwidth Allocation (DBA) function
• Support QoS, including traffic flow classification, priority marking, queue and dispatch, traffic shaping and traffic control, etc
• Single ONU supports up to 1 LLID.
• Support IGMP Snooping
• Support Ethernet port ratelimit loop detection
• Support power failure alarm
• Support lightning protection for power supply and lightning protection for service port

Port features:

• 1 PON ports (1.25G)
• 4 10/100M port

Physical features:

l Power supply: 12VDC

l Power consumption: 7W

l Temperature:
Working temperature:0～55℃
Storage temperature: -30～60℃
Relative humidity: 10～90% (non-condensing)