OLT LTP-16N, LTP-16NT. User Manual
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5.2 ONT configuration
5.2.1 Introduction
This section describes general principles of ONT configuration. It also defines configuration profiles.
ONT is configured with the help of a profile, which defines high-level expression of data communication
channels. All operations related to channel creation are performed automatically. The way data
communication channels are created depends on the selected service model.
ONT configuration includes assignment of configuration profiles and specification of ONT specific
parameters. Configuration profiles allow general parameters to be set for all or for a range of ONTs. Profile
parameters may include, for instance, DBA settings, configuration of VLAN operations in OLT and ONT,
settings of Ethernet ports in ONT. Specific ONT parameters allow each separate ONT to have its own settings
specified. Such settings include, for example, GPON password, subscriber's VLAN, etc.
5.2.2 ONT operation modes
Introduce the concept of Bridged and Routed services. For this, consider the concept of OMCI and RG
management domains. These terms are determined in TR-142 Issue 2. In terms of management domains, an
ONT is considered as a device, which operates in the OMCI domain only. The devices, which operate in both
management domains (i. e. have an integrated router), are denoted as ONT/RG.
Everything that refers to the OMCI domain can be applied to both ONT and ONT/RG devices. For this reason,
we will further denote ONT/RG as ONT. If an ONT is configured without the RG domain (without a router), skip
all steps concerning RG.
In addition to configuration in terminal, a routed service requires the RG domain to be configured by using one
of the following methods:
Pre-defined configuration – subscriber is provided with an ONT having fixed configuration.
Local ONT configuration using WEB interface.
ONT configuration using the TR-069 protocol and auto configuration server (ACS).
ONT is connected to RG using a Virtual Ethernet interface point (VEIP), which corresponds to the TR-069 WAN
interface (described in TR-098) on the RG side. VEIP is represented by a virtual port in terminal parameters.
The port has the same configuration procedure as Ethernet ports in the ports profile.
5.2.3 General principles of configuration
Service is the key term of ONT configuration. This term completely includes a communication channel, through
which data is transferred from the interfaces located on the front panel of the terminal (see section
) to users' ONT ports. There are two service profiles: cross-connect and dba. The cross-connect
Bridged service is a service, which configuration requires the OMCI management domain only, i. e. it
can be completely configured with the help of the OMCI protocol in ONT. Routed service is a service,
which configuration requires both the OMCI and RG management domains.
