13.3.6.2 Configuration Process
The following figure shows the configuration process for the E1/T1 unified access service (OLT
cascading).
Adding ONUs to OLT
Configuring
Management and
Service Channel
Start
Configuring ONU
SAToP Connections
OLT_B
ONU
End
Start
Configuring Clock
Synchronization
Configure cascading
with OLT_B
Configuring SAToP
Connections between
OLT_A and ONU
Start
OLT_A
Functions of different network element are listed in the table below.
Network
element
Functions
OLT_A 1. In the downstream direction, creates SAToP connections with ONU_B; in
the upstream direction, restores E1/T1 signals and transmits the signals to
the SDH network.
2. Cascaded with OLT_B and transmits clock synchronization information
downstream.
OLT_B 1. Transmits SAToP-encapsulated packets in GEM frames over the GPON
line.
2. Transmits SAToP packets to OLT_A in Ethernet mode for decapsulation.
3. Transmits clock synchronization information to ONU_B.
ONU_B 1. Access the E1/T1 private line service.
2. Create the SAToP connection between ONU_B and OLT_A.
3. Transmits SAToP packets to OLT_B by PON line.
4. Transmits clock synchronization information to enterprise.
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Commissioning and Configuration Guide
13 FTTO Configuration (Large-sized Enterprise Access)
Issue 01 (2014-04-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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