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The SGN8688FVW is an ITU-T G.984.x based GPON ONT designed for home and Office users. It offers 8 Fast Ethernet ports for LAN. Its uplink interface is a GPON SC port, supports 2.5G for downstream and 1.25G for upstream.

The SGN8688FVW also offers 2 FXS ports and a 300Mbps WiFi Router for VoIP and Wifi networking applications. Built for FTTx deployments, it supports powerful home gateway/CPE features, such as Multiple WAN, QOS, VLAN, Firewall, ACL, etc. It is an Internet Data, Voice and WiFi all-in-one GPON CPE for ISPs deploying Triple Play networks over single fiber.

Main Characters

  • ITU-T G.984.x GPON standard, compatible with Huawei, ZTE, Fiberhome, CHIMA GPON OLTs.
  • Offers 1*GPON WAN Port, support 2.5G for downstream and 1.25G for upstream
  • Offers 8*Fast Ethernet ports, 3 Router ports and 5 Switching ports
  • Offers 2*FXS ports for high quality Voice over IP deployments.
  • Offers 300Mbps WiFi Router for Home WiFi applications
  • AES 128-bit encrypted and key switching, enhancing transmission security
  • 40 Tconts and 256 GEM Port IDs, enabling multiple services on a single Subscriber CPE.
  • Layer 2 Switching, support 802.1Q VLAN, 802.1P QOS, Bandwidth Control, Spanning Tree, etc
  • Layer 3 Home Gateway/CPE features with Hardware NAT, support Multiple WAN, Route/Bridge mode, etc
  • Port Binding (For 1-3 Ports), different LAN ports can be assigned with different WAN services
  • Max 1:128 Fiber ration, max transmission distance can reach 35km
  • Support FEC (Forward Error Correction), ensures high reliable and precise data transmission
  • Support Dynamic Bandwidth Allocation (DBA), Smarter bandwidth assignment and usage.
  • 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 compliant, Class B+ 2*10 SFF GPON transceiver, SC/APC
  • 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
  • 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 40 Transmission Container (T-Cons)
  • Support 256 bidirectional GEM Port IDs
  • Support NSR/SR Dynamic Bandwidth Allocation (DBA)
  • Support Forward Error Correction (FEC)
  • Maximum 2.488 Gbps Downlink/1.244 Gbps Uplink
  • support Dying Gasp

Interoperable GPON OLT Models

  • CHIMA SNA8800, SNA9000T series
  • Huawei MA5680T, MA5683T OLTs
  • ZTE C200, C220, C300 series OLTs
  • Fiberhome AN5516 OLT

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 (Only 1-3 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 Rout, 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


  • IEEE 802.1P QOS, DSCP, TOS:
  • SP, WRR, SP+WRR dispatching Algorithm
  • Source & DST-MAC based QOS
  • VLAN ID, Vlan Priority based QOS
  • Source DST-IP based QOS

VoIP Parameters

  • Offers 2 FXS ports 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 T.38 Fax Machine
  • Support Digital Map configuration

300Mbps WiFi Router Features

  • Offers an IEEE802.11n WiFi Router, 2.4GHz frequency
  • 3 FE Router Ports + 5 FE Switch Ports
  • MIMO, support 2-IN-2-OUT, Max 300Mbps WiFi throughput
  • 2*7dB external antennas, support 150m Indoors, 300m outdoors
  • WPS one-key protection over your wifi network
  • 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
  • Max 4 SSID broadcasting, Hidden SSID
  • 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
  • OAM & 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 400Mhz. CPU covered with cooling unit.
  • 16-bit DDR3 SDRAM, with a 512Mb DDR3 SDRAM,Nand Flash, with a 1Gb Nand Flash
  • Built-in with an 8 port Unmanaged Fast Ethernet Switch chipset
  • 1*GPON SC/APC port
  • 8*10/100Base-Tx LAN ports, 3 Router ports and 5 Switching Ports
  • 300Mbps WiFi Router
  • 2 FXS telephone ports, support analog phones and T.38 fax machine.
  • Support Hardware NAT.
  • Support full duplex and half duplex, IEEE802.3x flow control and backpressure
  • LED Indicators: Power, PON, Los, WAN, VoIP 1, VoIP 2, LAN1, LAN2,LAN3, S1, S2,S3,S4, S5,WiFi, WPS, USB
  • External power supply: DC 12V, 1.5A.

Hardware Interfaces

  • 2.5Gbps GPON WAN Port * 1
  • 10/100Base-Tx LAN Ports * 8
  • FXS Telephone Ports * 2
  • WiFi On/Off button * 1
  • WPS Button * 1
  • Host: 1 USB port
  • Power Jack * 1
  • On/Off Switch Button * 1
  • Reset Button *1
  • 7dB External Antenna * 2

Specification Table

Standards IEEE 802.3,IEEE 802.3u, 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
GPON Port 1 GPON Uplink port, Upstream: 1.25Gbps / Downstream: 2.5Gbps
GPON Transmission Distance Up to 35Km
Downstream Ports 8*10/100Base-Tx Fast Ethernet LAN ports
Ethernet Cable 10Base-Tx: UTP category 3, 4,5, up to 100m
  100Base-Tx: UTP category 5, up to 100m 
Fiber Cable 8.3μm, 8.7μm, 9μm and 10μm single mode fiber cable
Power Supply AC 96-260V, DC 12V, 2A, External Power Supply
 Temperature & Humidity   Temperature Humidity
Working 0 to 45℃ 10% - 90%
Standby -40 to 70℃ 5% - 90% RH

Order Information

Model No.


SGN8688FVW 8 FE + 2 FXS + 300M WiFi GPON ONT


Contact us

Shenzhen Chima Technologies Co Limited




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