Protective cover according to EN50174-2 / 2XCYB BK fiber optic port white RAL9016 Type: CYB-DF. The CYB low-voltage installation accessory system is designed for installation supports with F80 front opening. In addition, it can be mounted on the wall or in a device box. The system is frameless and without a box and consists of snap-on covers with mounting plates and connectors. The covers are available in beveled or flat versions. The CYB-BK installation kits contain a mounting frame, cover and label field. In combination with various mounting plates and connectors, the installation kits represent complete connection kits.