This Master Station is designed to connect to the IP Intercom Exchange, and provides hands-free or handset conversation of high sound quality. It features dustproof and waterproof construction, and can be used in locations exposed to ambient temperatures ranging from -10 ℃ to +50 ℃. In addition to the functions of the standard Master Station, the Industrial-Use Station permits connection of external speakers, and can take out control signal for dial-in indicator from its contact output. This station can be mounted to the wall using an optional YC-280 wall mounting bracket.
Specification Power Source 48 V DC (supplied from the IP intercom exchange (option)) Power Consumption 1.8 W (at rated), 2.4 W (max.) Wiring Method 1 set of twisted pair cable Transmission System 2 wire 160 kbps echo canceller transmission system Signal Level Under 0 dB* Speech Method Hands-free or handset conversation Audio Frequency Range 300 Hz – 7 kHz Transmission Range Max. 1500 m (φ0.65 mm, Loop resistance 170 Ω) Hands-free Speaker: 5.7 cm cone-type, 0.6 W, 8 Ω
Microphone: Omni-directional electret condenser microphone
Handset Receive path: Dynamic type, Send path: Electret condenser microphone Dial-in Contact Output Open collector output (polarized), withstand voltage: Max. 30 V DC, control current: Max. 50 mA, screwless connector (2 pins) Indication Status lamp Line Connecting Terminal RJ11 modular jack External Speaker Terminal 0.6 W, 8 Ω, screwless connector (2 pins) Installation Method Desk/Surface mounted master station (When mounting to the wall, use the optional YC-280.) Operating Temperature -10 ℃ to +50 ℃ Operating Humidity Under 90 % RH (no condensation) Dust/Water Protection IP54 Finish Body, Handset: ABS resin, gray Dimensions 170 (W) x 220 (H) x 97.8 (D) mm (excluding curl cord and projection sections) Weight 1 kg Accessory Rubber cap