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1ge 1fe 1fxs wifi CATV USB epon optical network terminal  1ge 1fe 1fxs wifi CATV USB epon optical network terminal



The SON7255FVWG1T is an IEEE802.3ah GEPON ONU designed for single family applications. It offers 1GE, 1FE, 1FXS and 1 CATV RF ports for Internet, VoIP and TV outputs. Built with a GEPON port.

the SON7255FVWG1T supports 1.25G at upstream and 1G at downstream. It is a GEPON ONU for CATV operators integrating High quality Internet and TV services over single fiber.

Main Characters

  • IEEE802.3ah GEPON standard, compatible with Huawei, ZTE, Fiberhome, CHIMA GEPON OLTs.
  • Offers 1 GEPON WAN Port, support 1.25G upstream and 1.25G downstream
  • Offers 1GE + 1FE LAN Ports can be configured in Route or Bridge mode
  • Offers 1FXS port for high quality Voice over IP deployment
  • Offers 1 CATV RF port, support high quality TV image transmissions over 1550nm Fiber
  • Offers IEEE802.11n 300Mbps 2T2R WiFi + Turbo WiFi Router features
  • Max 1:64 Fiber ratio, max transmission distance can reach 20km
  • Multiple WAN connections, offers different services on different LAN ports.
  • Support AES encrypted data transmission, enhancing transmission security
  • Support FEC (Forward Error Correction), ensures high reliable and precise data transmission
  • Support Dynamic Bandwidth Allocation (DBA), Smarter bandwidth assignment and usage.
  • Local and Remote Management, support WEB, FTP/TFTP/HTTP Auto Provisioning, TR069, NMS management.
  • IPv4 and IPv6, ensuring compatibility and usability in both IP network types.

Technical Parameters

GEPON Parameters

  • IEEE802.3ah Gepon standard, support standard OAM
  • CTC 2.1, 3.0 China Telecom Gepon standard
  • Built-in with a bosa or 2*10 SFF packaged GEPON transceiver, SC/PC connector
  • 1310nm wavelength at upstream & 1490nm wavelength at downstream
  • GEPON transceiver sending power: 0.5-5dbm, receiving sensitivity: -27dbm
  • 1:64 Fiber Optic Ratio at 20km transmission distance.
  • Fiber Transmission cable: G.652 Single mode optical fiber cable
  • Support 1 LLID (Logical Link Identifier)
  • Support 1 LOID (Logical ONU Identifier)
  • Support Triple Churning Encryption algorithm
  • Support NSR/SR Dynamic Bandwidth Allocation (DBA)
  • Support Forward Error Correction (FEC)
  • 4 QOS queues & SP Dispatching Algorithm over PON
  • Maximum 1.25Gbps Downlink / 1.25Gbps Uplink
  • Support Dying Gasp

Home Gateway/CPE Features :

  • Support both IPV4 and IPV6 WAN connections
    Multi-WAN, support up to 8 WAN connections
    Support Route and/or Bridged WAN
  • Port Binding, Data/VoIP/IPTV services can be bound to different LAN ports
    Configurable VLAN ID for each WAN
    Configurable QOS queues for each WAN
    Multi-services bound to the same WAN

Networking Features :

  • MAC Learning, 2K MAC address table
  • Bridged or Route network mode
  • Support RIP v1, v2 for routing
  • Static Route, Dynamic Route, DNS Proxy,IPv4 & IPv6 TCP, UDP, RTP, SNTP, NAT, DHCP, DNS IEEE802.1Q VLAN, Port VLAN
  • IEEE802.1x, MAC, IP, or TCP/UDP based ACLs
  • Port Bandwidth Control, IEEE802.3x flow control
  • Storm Control: Broadcast/Multicast/unknown unicast, ARP
  • Port Isolation, Port Mirror, Auto MDI/MDIX
  • IEEE802.1d STP, Port Loop detection
  • IGMP v2, v3 & IGMP Snooping for IPv4
  • MLD v2, v3 & MLD Snooping for IPv6


  • SP, WRR, SP+WRR dispatching Algorithm
  • Source & DST-MAC based QOS
  • VLAN ID, Vlan Priority based QOS
  • Source DST-IP based QOS

300Mbps WiFi Router Features :

  • IEEE802.11b/g/n 300Mbps WiFi Router
  • 2*5dBi external antennas, 2T2R, 2.4GHz frequency
  • Minimum 16dBm WiFi Power Output
  • WiFi Transmission Distance: 150m for indoors, 300m for outdoors
  • Support DHCP, Static IP and PPPOE
  • DHCP Server, DHCP Relay, DHCP Client, Static IP assignation
  • Static Routing from source IP to destination IP
  • Firewall, NAT, NAPT, UPnP, DDNS, DMZ Host, Port Forwarding
  • 64/128 bit WEP, IEEE802.1x, WPA and WPA2 authentications
  • Automatically choose the best signal channel
  • STA mutual isolation and ACL table based on MAC Accesses
  • WiFi Multimedia (WMM), enhanced QOS for multimedia packets

VoIP Parameters

  • Offers 1 FXS port for Phone connections
  • 2 Calls can be made/received simultaneously
  • SIP V1, V2 (RFC3261, RFC3262, RFC3264, RFC3265)
  • SIP & H.248, support registering 2 SIP accounts
  • G.711, G.723.1, G.729A-8kbps, G.726, G.722, ILBC voice codecs
  • DTMF Tone Detection, DTMF Tone Relay
  • Multiple Calling Tone, FSK Caller ID
  • Calling line Identification Presentation
  • Calling line Identification Restriction
  • Call forwarding, call transfer, call hold, three-way conference, etc
  • QOS and TOS to ensure voice packets pass through in priority
  • Support RFC62 Echo protocol
  • Support Digital Map configuration

Management Features :

  • Serial interface maintenance using UART
  • Web UI Management
  • OMCI & NMS Management
  • CLI command line management
  • FTP/TFTP/HTTP Auto Provision Management
  • TR069 ACS management

Hardware Parameters

  • Built on powerful GPON SOC, Dual Core CPU at 625Mhz
  • CPU covered with cooling unit.
  • Support Hardware NAT.
  • 16-bit DDR3 SDRAM, come with a 1Gb DDR3 SDRAM
  • Nand Flash, come with a 1Gb Nand Flash
  • 1*GPON SC Port, 2.5G downstream, 1.25G Upstream
  • 1GE + 1FE ports
  • 300Mbps WiFi + Turbo WiFi router up to 23dBm
  • 2*5dBi external antennas optional
  • 1 FXS port, support analog phones.
  • IEEE802.3x flow control Full duplex and half duplex,
  • LED Lights: Power, PON, LOS, INTERNET, VOIP, GE,
  • FE, WiFi, CATV, WPS, Turbo WiFi
  • External power supply, DC 12V, 1-1.5A

CATV Parameters

  • CATV Frequency range: 40~1000Mhz
  • RF 75ohm Coaxial Cable TX port: Metric F or England F
  • RF output power: 68~ 72dBuV at input optical power 1 dBm
  • CNR ≥46dB, CSO≤-61dBC,
  • Support Enable or Disable CATV service remotely

Interoperable GEPON OLT Models:

CHIMA SNA8800, SNA9000T series
HUAWEI MA5680T, MA5606T, MA5683T  OLTs
ZTE C220, C300 series OLTs
Fiberhome AN5516-01, AN5516-02 GPON OLT
Furukawa Corecess GEPON OLTs

 Hardware Interfaces:

  • Built with Realtek RTL9602C GPON SOC
  • CPU covered with cooling unit, support Hardware NAT.
  • 1*GPON SC Port, 2.5G downstream, 1.25G Upstream
  • 1* 10/100/1000Base-Tx Gigabit Ethernet Port
  • 1* 10/100Base-Tx Fast Ethernet Port
  • 1 FXS port, support analog phones
  • 1*CATV RF Port
  • 1*IEEE802.11b/g/n 300Mbps WiFi Router, 2*5dBi external antennas
  • IEEE802.3x flow control Full duplex and half duplex
  • LED Indications: Power, PON, LOS, INTERNET, VOIP, GE, FE, WiFi, WPS
  • 1*Reset button, 1*WPS button, 1*ON/OFF button
  • External Power Supply: DC 12V, 1-1.5A
  • Desktop design, Plastic housing

Specification Table

Standards IEEE 802.3,IEEE 802.3u, IEEE 802.3ab, IEEE802.3ah, IEEE802.1Q, IEEE802.1P, IEEE802.1D, IEEE802.11B/G/N
Topology Star Topology
Uplink Ports 1 GEPON SC Uplink port, SC/PC Connector
Transmission Distance Up to 20Km
Downlink Ports 1*10/100/1000Base-Tx Gigabit LAN
1* 10/100Base-Tx Fast Ethernet Port
1 FXS port
WiFi IEEE802.11B/G/N 300Mbps WiFi Router, 2T2R
Max 23dBm WiFi Power Output
TV Port 1*CATV RF Port
LED Indicators Power, PON, LOS, INTERNET, VOIP, GE, FE, WiFi, WPS
Ethernet Cable 10Base-Tx: UTP category 3, 4,5, up to 100m
100Base-Tx: UTP category 5, up to 100m
1000Base-Tx: UTP category 5, 5E, 6, up to 100m
Fiber Cable 8.3μm, 8.7μm, 9μm and 10μm single mode fiber cable
Power Supply AC 96-260V, DC 12V,1A, External Power Supply
Temperature & Humidity   Temperature Humidity
Working 0℃ - 45℃ 10% - 90%
Standby -40℃ - 70℃ 5% - 90% RH

 Order Information

Product Family

Model No.

Product description

SON7255FVWTG1 1GE+1FE+1FXS+1CATV+300M WiFi GEPON ONU, 2*5dBi external
antennas, 2T2R, 16~23dBm WiFi Power output
SON7254FWTG1 1GE+1FE+1CATV+300M WiFi GEPON ONU, 2*5dBi external antennas, 2T2R, 16~23dBm WiFi Power output
SON7253VWTG1 1GE+1FXS+1CATV+300M WiFi GEPON ONU, 2*5dBi external antennas, 2T2R, 16~23dBm WiFi Power output
SON7252WTG 1GE+1CATV+300M WiFi GEPON ONU, 2*5dBi external antennas, 2T2R, 16~23dBm WiFi Power output


Contact us

Shenzhen Chima Technologies Co Limited



Add:5/F, Building NO.1, TongXin Industry Zone, HengGang, LongGang, Shenzhen, China