The N-8031MS is a flush- or surface-mount master station designed to operate in conjunction with TOA IP Intercom Exchange and features high quality hands-free conversation. Connecting a foot switch or other external switch to the external dial input terminal permits one-touch dialing operation by way of such switches. Handset conversation can be established in conjunction with the optional RS-191. ; Full-Duplex (aka: Duplex) communication is supported by this station (handset mode only) Two-wire connection to N-8000EX or N-8010EX Exchange Hands-free duplex communication External dial inputs (7, 8, 9 and C keys) Optional Handset, model RS-191 Optional flush-mount back-box, model YC-241 Optional surface-mount back-box, model YC-251 Also available as PCB assy., model N-8031SB

• Flush- or surface-mount master station designed to operate in conjunction with TOA IP Intercom Exchange