Enterprise E1/T1 Unified Access Service (Olt Cascading); Service Requirement And Application Scenario - Huawei SmartAX MA5603T Configuration Manual

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SmartAX MA5600T/MA5603T/MA5608T Multi-service

Access Module

Commissioning and Configuration Guide

13.3.6 Enterprise E1/T1 Unified Access Service (OLT Cascading)

ONUs access enterprise TDM service in E1/T1 access mode, and transmits the data to the SDH

network in OLT cascading mode over the GPON network which supports long-distance

transmission and high bandwidth. In this way, uniform deployment of E1/T1 service is achieved.

Service Requirement

Application Scenario

only some nodes (for example, OLT_A in the following figure) can transmit signals upstream

to the SDH network through STM-1 ports, and other nodes (for example, OLT_B in the following

figure) must access SDH resources through GE/10GE ports. In this scenario, ONU_B accesses

the E1/T1 service in SAToP mode, and transmits the service to the OLT at the local site (OLT_B)

over the GPON line. OLT_B transparently transmits the service to another OLT with SDH

resources (OLT_A) through GE/10GE ports.

Figure 13-21 E1/T1 access in SAToP mode (OLT cascading)

Issue 01 (2014-04-30)

Existing SDH resources are utilized efficiently. In this way, carriers' existing investments

are protected and enterprise users in different regions are won.

Services are received over optical fibers, reducing investment in copper cables between

enterprises and the SDH network.

The standardized user-side ports facilitate deployment and maintenance.

13-21, a carrier's SDH network is migrated gradually. In a city, there are

For carriers, with this networking, they can win enterprise users who have no SDH resources

with GPON lines which support long-distance transmission and high bandwidth. With the

trend of fiber-in and copper-out, deployment of GPON lines can reduce deployment costs

of copper cables and support service expansion.

For enterprise users, with GPON access, they can reduce fees spent in leasing lines.

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13 FTTO Configuration (Large-sized Enterprise Access)

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