Huawei H19-315 Exam - Topic 2 Question 24 Discussion

Optical modules are categorized based on their transmission distance and power budget. The most commonly used classes in commercial deployments are:

Class B+:Supports distances up to 20 km and is widely used in urban and suburban areas.

Class C+:Supports distances up to 40 km and is suitable for medium-range deployments.

Class D:Supports distances up to 60 km and is ideal for long-haul connections in remote areas.

ClassesEandFare either outdated or not commercially viable due to their limited use cases.

ITU-T G.984 Standard - Optical Module Specifications

Huawei Optical Module Product Guide