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Features:1) Complying with the standards of Telephone Accounting Device and Center Management for Telephone Accounting Device promulgated by Ministry of Information Industry of China2) Can be input many kinds of tariff rates, such as rates of international, internal,local, free and forbidden calls3) Signal for billing startup: polar-reverse, 12 / 16kHz pulse, manual or delay automatically4) Identifies call number automatically and the tolerance is less than 1 second5) Can trace the last 200 records of telephone number, duration, and total sum6) Total automatically daily subtotal sum and the last 32-day grand total amount7) With inner modem, supporting the function of network center manage, tariff ratedownload and phone bill upload8) Anti-lightning, anti-jamming design and steady performance9) With rechargeable batteries, it can at least work for 12 hours after power cut10) With LCD display11) Remote display box for option12) Function of phone bill printing for optionConditions:1) Environment: away from rain, sun, high temperature, dust, alkali, acid, strongvibration situation or strong electromagnetic wave2) Atmospheric pressure: 86KPa - 106KPa3) Relative humidity: 10% - 90%4) Noise:5) Temperature: -10°C - 40°CTechnology standards:1) Timing accuracy:2) DTMF receiving standard: ≥-23dBm3) Incoming receiving accuracy: >99.99%4) Insertion loss: ≤0.5dBNotice:1) Meter should work in ventilated and clean surrounding. Be away from rain, sun,high temperature, dust, alkali, acid, strong vibration situation or strong electromagneticwave2) Please unplug the power source and telephone lines to avoid lightning strike3) The meter is a precision electronic instrument, please dont assign, take apart,test or change tariff rate by unskilled person, which should be operated by skillfulserviceman4) While transfer rate to the meter from center management system, please plug thespecial line (6 core RJ connector) provided by manufacturer into the communicationport5) If with rechargeable batteries, please recharge the batteries at least 12 hoursin the first time6) The meter keeps on working about 8 hours while the local power is cut off. Whenthe LCD screen gets dark, it indicates that energy in batteries is almost used up7) Please use the meter according to the user guideSpecifications:1) Height: 15mm2) Width: 70mm3) Depth: 255mm4) Weight: 0.95kg5) Display operator: character LCD with backlight6) Customer: 3-line character LCD with backlight7) Keyboard: six function keys8) Dialing method: DTMF9) Access: PSTN10) Power: AC 220V, 50/60Hz, DC 9V, 250mAh11) Battery: fully charged battery supports 16h calling
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