Mainly used where the density of terminal devices is very high, e.g. for the cabling of office, administration and development buildings in the tertiary sector (floor cabling)., Cable length in the tertiary sector (horizontal area, floor) should not exceed 100 m in accordance with ISO/IEC 11801 and EN 50173 (90 m cable duct + 10 m workstation), LAN cable for structured building cabling in accordance with EN50173 and ISO/IEC 11801, S/FTP: copper braid as overall shielding and pair shielding with aluminum composite foil, outer jacket: halogen-free, flame-retardant compound, solid conductor, color: yellow (RAL 1021), Class F in ISO/IEC 11801 corresponds to CAT.7, transmission of digital and analog data signals, IEEE 802.3: 10/100/1000Base-T, 10GBase-T IEEE 802.5: ISDN, FDDI, ATM, cable sharing IEEE 802.3at: PoE suitable,