The cables used in the SBB cable network have clearly defined quality and functionality features. These are specified and are checked as part of a qualification process. Companies that want to supply SBB must subject their products to the qualification process and meet the requirements. This qualification process ensures that the products offered meet the SBB requirements in terms of technology and quality and that the applicants are assessed uniformly and fairly.

An application for qualification can be submitted at any time. The test system and the list of qualified companies are published once a year. Once a qualification has been obtained, it is valid for a period of 5 years.

The cables used in the SBB cable network have clearly defined quality and functionality features. These are specified and are checked as part of a qualification process. Companies that want to supply SBB must subject their products to the qualification process and meet the requirements. This qualification process ensures that the products offered meet the SBB requirements in terms of technology and quality and that the applicants are assessed uniformly and fairly.

An application for qualification can be submitted at any time. The test system and the list of qualified companies are published once a year. Once a qualification has been obtained, it is valid for a period of 5 years.