Chinese   |   English


Products HOME   >   Products

EasyPath GT83X (SFU) series is remote ONU equipment, which can provide FE interface, POTS interface and also provide one CATV interface(optional).It applies to FTTH applications, which provides Ehternet, telephone and IPTV  transmission channels (Triple Play at home) by using one ONU.







Technical specifications

PON optical interface

Standbard:IEEE802.3ah 1000BASE-PX20+-U

Interface type:SC/PC(SFP socket)


Fiber mode:single fiber

Average launch power:0dBm~+4 dBm

Receiver sensitivity:≤-27dBm

Saturation receive power:≥-3dBm

CATV/PON optical interface(optional)

Interface type:SC/APC

Fiber mode:single fiber


Ethernet interface

Standard:IEEE 802.3

Interface number:4

Data rate:10/100 Mbit/s auto-sensing

Interface type:RJ45


Working mode:half duplex auto-sensing

POTS interface

Interface number:2

Interface type:RJ11

Ringing voltage:50±10VAC,30±10H

Transmission distance:3km

CATV electric interface RF(optional)

Interface number:1

Interface type:RF 75 imperial F head

Frequency range:47M~862MHz

Output electric level:80dBuv

Local NM

Interface type:RJ45,using Ethernet service interface to realize in-band network management

System features

Data rate

Uplink/downlink 1.25Gbps

MAC address


Transmission distance

20km(1:32 split ratio)

Split ratio



VoIP mode,it supports MGCP,SIP protocol

Support auto-switching function of soft-switch between master and spare RJ11 interface for common phone

Support Voice encoding/compression technologies such as G.711A-Law/u-Law,G.729A/B,G.723.1-5.3/6.3 and G.726.Encoding methods could be dynamically switched according to requirements

CATV function

CATV function is optional

One CATV optional interface is connected to the CATV transmission network

One CATV electric interface(RF interface) is connected to Video displays

Support Triple Play


Support IEEE 802.1Q(VLAN)

Support 128 VLAN at most

Support IEEE 802.1ad(Q in Q)

Support VLAN transparent transition

Support VLAN translation

Support VLAN trunk

Layer-2 function

Store-and–forward mode, supports layer-2 wire–speed forwarding

Maximum frame:1600 bytes

Support broadcasting storm control

Support port/flow mirroring function

Support rate-limiting of bi-direction interface

Data flow control

Support IEEE 802.3x(full duplex flow control)and back pressure flow control(half duplex)


Bandwidth increment is 64 kbit/s

Support fixed bandwidth/guaranteed bandwidth/maximal bandwidth,delay priority and etc SLAparameters


Support SCB(Single Copy Broadcast)

Support IGMP V1/V2

Support IGMP Snooping and IGMP Proxy

Support 256 multicast groups

Support multicast source port control

Support multicast authority control

Support the joining and fast-leave of IGMP,members

Support static multicast

8M bytes large cache provides protection for burst flow of IPTV service

Management and maintenance

Support OLT centralized management based on OAM

Support alarm and capability statistic,flow inspection,loop-back test,remote power-fail inspection

Support Ethernet port loop-back test

Support ONU automatic configuration and batch configuration

Support long-distance on line upgrade of timing automatism and batch

Support monitoring function of remote Ethernet cable


Support AES-128,data encryption for both upstream and downstream

Support dynamic update of key


Support IEEE802.1p PRI and DSCP

Support service classification based on port,MAC address,IP address,TCP/UDP port number,ToS(Type of Service)/Diffserv

Support SP queue scheduling algorithms

Support 8 classes priority queuing for each port



Ordering information

Part Number



Standalone ONU(plastic shell,mini type), external AC220V convert to 12V power supply,4*FE+2*POTS,PX20+,230mm×172mm×38mm(Width×Depth×Height


Standalone ONU(plastic shell,mini type), external AC220V convert to 12V power supply,4*FE+2*POTS+1*CATV,PX20+,230mm×172mm×38mm(Width×Depth×Height)