For connecting analogue telephones/additional devices. With screw terminals. 2x6/6 NF/F: 2 telephones, 1 additional device. 3x6 NFN: 1 telephone, 2 additional devices. To be completed with: Central plate for TAE/Audio/USB system M 2960.., 2979.. Central plate with rectangular cut-out and label field System Design MEG4250-60.. Central plate for TAE/Audio/USB system area 2978.. Version: 2x6/6 NF/F, white.