Most recent
SIA DC-05-1999.09
Digital Communication Standard - Ademco r Contact ID Protocol - for Alarm System Communications
This standard details the specification for the "Ademco r 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.
Security Industry Association [sia]