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FiberGateway User Manual
20
Technical Description
2.3
Interoperability
FiberGateway equipment complies with ITU-T G.984.x. recommendation as like as G.984.4 (OMCI)
ensuring multi-vendor OLT interoperability with major GPON OLT vendors, as defined in BBF.247
ONU certification program.
BBF.247 ONU certification program certifies ONT link layer configuration and management protocol,
OMCI, Figure 2, as defined by ITU-T G.984.3, ITU-T G.984.4 and ITU-T G.988.
Figure 2: Link Layer Configuration and Management
IP-based services configuration and management is achieved by means of the TR-069 protocol as
defined by Broadband Forum. This procedure takes for granted that previously the link layer
connectivity has been achieved.
TR-069 is then transparent to the OLT, since the TR-069 connections are established between the
ACS and the ONTs, Figure 4.
ONT gateway family equipments integrate gateway functionalities. Link layer configuration and
management is achieved by the use of OMCI, while IP-based services (RG functionality and Voice
over IP) are configured and managed by TR-069, Figure 3.
Figure 3: FiberGateway equipment configuration
OSS
EMS
OLT
ONT
RGW
STB
OMCI
Network Topology
OLT/ONT
Management
(TL1, SNMP)
ONT
RG
OLT
ACS
VoIP
Terminal
TR-069
OMCI
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