There is no translation available.

1ge 1fe 1fxs wifi USB gpon optical network terminal 

 SGN7254FVWG1 GPON ONT Description:

The SGN7254FVWG1 is an ITU-T G.984.x based GPON ONT that supports 2.5G downstream and 1.25G upstream bandwidth. It offers 1*Gigabit, 1*100Mbps and 1*FXS ports as well as a 300Mbps WiFi Router for wired and wireless Internet connections.

The SGN7254FVWG1 supports full Home Gateway features,such as Multiple WAN connections, VLAN, QOS, etc. It is a cost effective WiFi GPON ONT for Fiber to the home deployments.

Main Characters

  • ITU-T G.984.x GPON standard, compatible with Huawei, ZTE, Fiberhome, CHIMA GPON OLTs
  • Offers 1 GPON WAN Port, support 1.25G upstream and 2.5G downstream
  • Offers 1GE + 1FE LAN Ports can be configured in both Route or Bridge modes
  • Offers 1FXS port for high quality Voice over IP deployment
  • Offers 300Mbps 2T2R WiFi Router features
  • Max 1:128 Fiber ratio, max transmission distance can reach 35km
  • Support AES 128-bit encrypted and key switching, enhancing transmission security
  • Support 8 Tconts and 32 GEM Port IDs, enabling multiple services on a single Subscriber CPE
  • Support FEC (Forward Error Correction), ensures high reliable and precise data transmission
  • Support Rich layer 2 Management features, applicable to the biggest ISP networks
  • Support FBA (Flexible Bandwidth Assignation), dynamic assign bandwidth automatically
  • Support Dynamic Bandwidth Allocation (DBA), Smarter bandwidth assignment and usage
  • High security, data encrypted at upstream and downstream directions
  • Support L2 Switching features, such as IEEE802.1Q VLAN, 802.1P QOS, etc.
  • Support OMCI and TR069 Management, manage subscribers remotely
  • Supports IPv4 and IPv6, highly applicable in both IP type based networks

Technical Parameters

GPON Parameters

  • ITU-T G.984.x GPON, built-in with a bosa or 2*10 SFF packaged GPON transceiver, SC/PC connector
  • 1310nm upstream & 1490nm downstream
  • Support G.984.1 General Characteristics
  • Support G.984.2 Physical Media Dependent (PMD) layer Specification
  • Support G.984.3 Transmission convergence layer Specification
  • Support G.988 OMCI protocol
  • GPON transceiver sending power: 0.5-5dbm, receiving sensitivity: -27dbm
  • Transmission wavelength: Upstream: 1310nm / Downstream: 1490nm
  • Support 1:128 Fiber Optic Ratio at 35km transmission distance.
  • Fiber Transmission cable: G.652 Single mode optical fiber cable
  • Configurable AES decryption on downstream payload.
  • Configurable FEC on both upstream and downstream payloads.
  • Multi-Application Processor queues for dedicated connections for in-band.
  • Enhanced GPON debug and diagnostic functions.
  • Support up to 8 Transmission Container (T-Cons), 32 GEM Port IDs
  • Support NSR/SR Dynamic Bandwidth Allocation (DBA)
  • Support Forward Error Correction (FEC)
  • Maximum 2.5 Gbps Downlink/1.25 Gbps Uplink
  • Support Dying Gasp

Home Gateway/CPE Features :

  • 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

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 & Interfaces:

  • 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 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, WPS
  • External power supply, DC 12V, 1-1.5A

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

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*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

Interoperable GPON OLT Models:

CHIMA SGT8000A, SGT8016A series GPON OLT
Alcatel Lucent 7342, 7360 ISAM GPON OLT
Fiberhome AN5516-01, AN5516-02 GPON OLT
Ericsson BM1500 GPON OLT
Aurora Trident7, T7-PIM-8802/COLT GPON OLT
Dlink DPN-3012-E GPON OLT
Ubiquoss C9500, C9516, C9016, C9264 GPON OLT
Raisecom ISCOM5508,ISCOM5800E, ISCOM6800 GPON OLT
H3C S3600-2P-OLT,S7502E,S7503E,S7506E,S7510E,S7506E-V GPON OLT


Specification Table

Standards IEEE 802.3,IEEE 802.3u, IEEE802.3ab, IEEE 802.3x, IEEE802.1Q, IEEE802.1P, IEEE802.1D, IEEE802.11b/g/n, ITU-T G.984.1, ITU-T G.984.2, ITU-T G.984.3, ITU-T G.984.4
Topology Star Topology
Uplink Ports 1 GPON SC Uplink port, SC/PC Connector
Transmission Distance Up to 35Km
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
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 & Chipset

SGN7251G1 1GE GPON ONT (Support PPPOE and Router)
SGN7252WG1 1GE+300M WiFi GPON ONT, 2*5dBi external antennas, 2T2R, 16~23dBm WiFi Power output
SGN7253VWG1 1GE+1FXS+300M WiFi GPON ONT, 2*5dBi external antennas, 2T2R, 16~23dBm WiFi Power output
SGN7253FWG1 1GE+1FE+300M WiFi GPON ONT, 2*5dBi external antennas, 2T2R, 16~23dBm WiFi Power output
SGN7254FVWG1 1GE+1FE+1FXS+300M WiFi GPON ONT, 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