The N-8031MS is a flush- or surface-mount master station designed to operate in conjunction with the 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.
Specification Power Source 48V DC supplied from the IP network intercom exchange) Power Consumption 2.4W Wiring Method Non-polar one pair stranded wire system Transmission 2 wire 160kbps echo canceller transmission system Signal Level Under 0dB Speech Method Hands-free or handset conversation Audio Frequency 300 – 7,000Hz Transmission Max. 1500m (ø0.65mm. Loop resistance 170 ohms) Hands-free Speaker: 0.6W, 8 ohms, 5.7cm cone-type, Mic.: Omni-directional electret condenser microphone Handset Receive path: Cone-type, Send path: Electret condenser microphone Dial-in Contact Open collector output (The contacts have polarity.)Withstand voltage: Max. 30V DC, Control current:Max. 50mA, screwless connector (2P) Line Connecting RJ-11 modular jack External Speaker 0.6W, 8 ohms, screwless connector (2P) Setting Method Desk/Surface mounted master station (When mounting to the wall, use the optional bracket*1.) Operating Temperature –10°C to +50°C Operating Humidity Under 90% RH (no condensation) Dust/Water Protection IP54 Finish Body, Handset: ABS resin, gray Dimensions 170 (W) × 220 (H) × 97.8 (D)mm (excluding a curl cord and projection sections) Weight 1kg Accessory Rubber cap × 2 Option*1 Wall mounting bracket: YC-280