AVT897 A +

Telephone recorder

Basic parameters:

• decoding dialing signals: decade (pulse dialing) and DTMF (tone dialing),
• tariff based on teletaxic pulses (16kHz) or on the basis of the tariffs and prefixes table,
• the recorder is insensitive to the polarity of the line,
• protection against overvoltages,
• galvanic separation from the telephone line,
• automatic change of time from summer to winter and vice versa,
• recognition of the ringing signal, outgoing and incoming call,
• registration of the start date / time, selected number (14 digits), tariff, duration of the call, number of impulses and the cost of the call,
• logger memory for: 511 calls, 105 prefixes, 40 tariffs,
• emergency power supply from the battery (current consumption 25..35 mA), battery 12V 250mA / h is enough for about 8 hours of work,
• during the call, the display shows the duration of the call, the number of impulses counted, the tariff and the word description of the prefix,
• "eternal calendar"? automatic setting of the day of the week based on the date,
• cooperation with every computer and printer equipped with an RS232C port (Centronics link after using an additional converter),
• Polish characters in the standard: AmigaPL, Mazowia, Windows, without Polish characters ("ą" is replaced by "a", etc.).
• a printed circuit board, programmed layout and documentation in the set
  

A version with a set of independent components is available

A detailed description of EP 11/2000