ADEMCO CONTACT ID

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This standard details the specification for the "Ademco ® Contact ID" communication format, originally developed by the Ademco Group, a division of the Honeywell Solutions Group.

The purpose of this standard is to detail the Contact ID signaling format such that it can be adopted by any manufacturer of digital transmitters or receivers. Documentation and distribution of this communication format is intended to provide an across-the-board compatibility of equipment designed to this standard regardless of manufacturer.

This communications format utilizes standard DTMF tones for transmission of the information. The main objectives of this standard are: (a) provide information regarding events that are occurring on a customer's premises. This information should be in a form that can easily be interpreted by a central station operator, (b) spend minimum practical time on line per transaction, to minimize the number of receivers required to handle the traffic and minimize the time the line is seized and not available to the customer, (c) minimize the transmission error rate, and (d) minimize the cost of the hardware associated with the transmission of the information

Source: SIA