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FAQ-What Is the Number of Linear multi-section protection Groups Supported by the NG-SDH

Publication Date:  2019-07-03 Views:  101 Downloads:  0

Issue Description

At present, the descriptions on the number of linear multi-section protection groups supported by the NG-SDH in documents are not systematic, and the descriptions in some documents are slightly different. This is not beneficial for the reference in the network design, expansion, and learning. This case summarizes the support capability of the NG-SDH for your reference. 
 

Alarm Information

Null

Handling Process

The OptiX OSN 7500 supports at most 120 groups of linear multi-section protection.
The OptiX OSN 3500 supports at most 40 groups of linear multi-section protection.
The OptiX OSN 1500 and OptiX OSN 2500 support at most 12 groups of linear multi-section protection each. 

 

Root Cause

Before the description, the following two aspects must be specified:

1. The number of 1+1 and 1:N linear multi-section protection groups depends on the number of MS protocol controllers.

2. The 1+1 and 1:N linear multi-section protection groups in the NG-SDH share all the linear MS protocol controllers of the product.

Hence, the number of linear multi-section protection groups supported by the NG-SDH mentioned below is actually the total number of supported linear MS protocol controllers, or the sum of the number of supported 1+1 and 1:N linear multi-section protection groups. 

 

Suggestions

Related personnel must know the linear multi-section protection support capability of different products. If necessary, related personnel can refer to this case. 
 

END