This Master Station is designed to connect to the N-8400RS Sub Station Interface Unit, and provides hands-free or handset conversation of high sound quality. This station can be mounted to the wall using an optional YC-280 wall mounting bracket. ; Full-Duplex (aka: Duplex) communication is supported by this station Four-wire connection to N-8400RS Exchange Handset (full-duplex) or hands-free (half-duplex) communication Optional wall-mount bracket, model YC-280

• Designed to connect to the N-8400RS Sub Station Interface Unit