ANSI C12.21-2006 (R2016) PDF Download
$107.00Protocol Specification for Telephone Modem Communication
standard by American National Standards Institute, 05/02/2006
American National Standards Institute
ANSI supports the development and approval of national voluntary standards, develops accreditation programs, and serves as U.S. representative to the International Standards Organization (ISO). Members include trade associations, labor unions, professional societies, standards developing organizations, private industry, academe, and government.
Protocol Specification for Telephone Modem Communication
standard by American National Standards Institute, 05/02/2006
American National Standard for Protocol Specification for Interfacing to Data Communication Networks
standard by American National Standards Institute, 03/03/2009
American National Standard for Protocol Specification for Interfacing to Data Communication Networks
standard by American National Standards Institute, 04/14/2015
"American National Standard for Electricity Meters for the Measurement of DC Energy"
standard by American National Standards Institute, 05/12/2021
American National Standard for Registers, Mechanical Demand
standard by American National Standards Institute, 05/01/1984
American National Standard for Thermal Demand Meters
standard by American National Standards Institute, 01/01/1978
American National Standard for Phase-Shifting Devices Used In Metering, Marking and Arrangement of Terminals
standard by American National Standards Institute, 05/01/1987
American National Standard Requirements for Watthour Meter Sockets
standard by American National Standards Institute, 04/15/2005
American National Standard for Requirements for Watthour Meter Sockets
standard by American National Standards Institute, 08/14/2014
Test Blocks and Cabinets for Installation of Self-Contatained "A" Base Watthour Meters
standard by American National Standards Institute, 01/01/1981
American National Standard for Test Switches for Transformer-Rated Meters
standard by American National Standards Institute, 04/15/2005
American National Standard for Test Switches and Plugs for Transformer-Rated Meters
standard by American National Standards Institute, 09/17/2014
American National Standard for Electricity Metering Data Exchange – The DLMS/COSEM Suite Part 5-3: DLMS/COSEM Application Layer
standard by American National Standards Institute, 2019
American National Standard for Electricity Metering Data Exchange – The DLMS/COSEM Suite Part 6-1: Object Identification System (OBIS)
standard by American National Standards Institute, 2019
American National Standard for Electricity Metering Data Exchange – The DLMS/COSEM Suite Part 6-2: COSEM Interface Classes
standard by American National Standards Institute, 2019
American National Standard for Electricity Metering Data Exchange – The DLMS/COSEM Suite Part 8-20: Mesh Communication Profile for Neighbourhood Networks
standard by American National Standards Institute, 2019
American National Standard for Roadway and Area Lighting Equipment-Filament Lamps-A Guide for Selection
standard by American National Standards Institute, 01/01/2004
American National Standard for Roadway and Area Lighting Equipment – Filament Lamps – A Guide for Selection
standard by American National Standards Institute, 09/05/2012
American National Standard for Roadway Lighting Equipment-Locking-Type Photocontrol Devices and Mating Receptacle Physical and Electrical Interchangeability and Testing
standard by American National Standards Institute, 04/27/2006
American National Standard for Roadway Lighting Equipment-Locking-Type Photocontrol Devices and Mating Receptacle-Physical and Electrical Interchangeability and Testing
standard by American National Standards Institute, 08/02/2010