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OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
2.6.4 Creating a Linear MS Protection Subnet
In a chain network, an NE can protect the services in different fiber sections after a linear MS
protection subnet is created.
Prerequisite
l
l
Precautions
l Starting the protocol controller may interrupt the services.
l Fibers that are used for the linear MSP cannot be used by other protection subnets. That is,
a linear MS protection subnet and other subnets cannot be used together to form virtual fibers.
Procedure
Step 1 Choose Service > SDH Protection Subnet > Create 1+1 linear MSP from the Main Menu.
Then, the Create Protection Subnet window is displayed.
NOTE
Step 2 Enter the name of the protection subnet.
Generally, the default name is used, for example, 1+1_MSP_1.
Step 3 Select the capacity level of the protection subnet, for example, STM-4.
Issue 02 (2011-06-30)
You must be an NM user with "NE maintainer" authority or higher.
The NE data must be configured and fibers must be created properly.
CAUTION
To create the M:N linear MS protection, choose Service > SDH Protection Subnet > Create M:N Linear
MSP from the Main Menu. Then, the corresponding window is displayed.
In the case of the M:N linear MS protection scheme, set the number of working links to N. M indicates the
number of protection links and cannot be set manually. Currently, the value of M can be 1 only.
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