Digitalizing audio signals and switch information! Introducing solutions for railways.
The "Communication High-Volume Telephone (Talk Back)" is an intercom-style communication device that digitizes both voice signals and switch information between the main control panel and the control unit. This product allows for communication with up to 60 sub-units per control panel. If two control panels are used, up to 120 sub-units can be connected. 【Features】 ■ Digitizes both voice signals and switch information (the connection between the control unit and the communication sub-units uses analog signals) ■ Allows communication with up to 60 sub-units per control panel (with two control panels, up to 120 sub-units can be connected) ■ The connection between the operation panel and the control panel requires only two wires for digital transmission and two wires for power supply (DC24V) *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Specifications】 ■ Audio Digital Conversion Method - μ-Law (Codec): Frequency Response 300–3400Hz - SN Ratio: 40dB at 1kHz 0dB output ■ Signal Tone Output - Ringing Tone: 800Hz ±20% - In-Call Tone: 400Hz ±20% - Level Indicator: Available ■ Communication Method - Transmission Rate: 2.5MHz - Protocol: ARCNET (Token Back) - Maximum Extension: 200m (between operation panel and control panel) - Transmission Medium: 75Ω or 93Ω twisted pair cable, optical fiber, coaxial *For more details, please refer to the PDF document or feel free to contact us.
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【Usage】 ■ For Railways *For more details, please refer to the PDF document or feel free to contact us.
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Company information
〒486-8585 156, 2-chome, Ajimi-cho, Kasugai City, Aichi Prefecture Toyo Electric Co., Ltd. TEL: 0568-31-4191 (Main) FAX: 0568-31-8096 *When contacting us by phone, please mention "Ipros" for a smoother communication.*