Solution and Networking

FTTH solution uses one optical fiber network to bear multiple services, providing high speed Internet (HSI), Wi-Fi, voice, video, and CATV services for home-connected users. This superior solution removes the bottleneck between homes and the backbone network to implement its ultra-broadband architecture and simple, flattened network structure, facilitating easy deployment and O&M.

10 GPON solution overview
Outside plant

OSP is any network infrastructure installed external to buildings. Scope includes optical fiber cabling, balanced twisted-pair cabling, and support assemblies FDT,FAT,Closure and so on of the network node which carrying the network service.
10 GPON solution overview
Inside plant

ISP refers to cable and devices installed inside of the building. This includes everything from the patch panel, patch cord, TB,ATB,STB,ONT and switch to the cables and jacks which finishing the network access to end users.
10 GPON solution overview
A Single Optical Network That Bears Multiple Services
Network environments have changed: multi-service networks have become a trend, enabling every household network to bear multiple services.
10 GPON solution overview
Deployment and O&M Face New Challenges
Optical fibers are routed to maximize coverage and reach as many users as possible, requiring networks to be simpler and easier to deploy, operate, and maintain.

FTTH Typical Networking

FTTH has the following three typical networking models. SFU ONT can be regarded as a pipe providing L2 data and voice services. HGW ONT provides L3 services; it is the center of a manageable home network and can be regarded as the "tap" of the smart pipe.

FTTH Typical Networking
Bridging-type ONT+HGW
Equipped with a built-in IAD, HGW provides users with Internet access, VoIP, and IPTV services. The bridging-type ONT works with the OLT to provide L2 channels.
Bridging+Voice-type ONT
Equipped with a built-in IAD, the ONT provides users with L2 data services and voice services. This scenario provides transparent transmission channels and requires simple service configuration, so this scenario applies to L2 networking.
Gateway-type ONT
Equipped with a built-in IAD, the ONT provides services to users. The gateway-type ONT can provide L3 services such as DHCP/ PPPoE dial- up, NAT, and IGMP snooping, facilitating device interconnection in a house.
FTTH Typical Networking
Wi-Fi Coverage for Homes
ONTs with Wi-Fi capabilities can address the needs of most households for Wi-Fi services. However, for large houses or villas, a single ONT cannot provide indoor Wi-Fi coverage for the entire house.

Acronyms and Abbreviations

AP access point BNG broadband network gateway
EPC evolved packet core EMS element management system
FTTB fiber to the building FTTC fiber to the curb
eOTDR embedded optical time domain reflectometer FAT fiber access terminal
FDT fiber distribution terminal FTTH fiber to the home
HGU home gateway unit IAD integrated access device
ITMS  intelligent terminal management system LTE long term evolution
OAM operation, administration and maintenance ODF optical distribution frame
ODN optical distribution network OMCI optical network terminal management and control interface
OTDR optical time domain reflectometer OSS operations support system
OTT over the top PLC power line communication
RAN radio access network SFU single family unit
SNMP simple network management protocol TMS terminal management system
WAN wide area network    
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