These requirements cover digital alarm communicator system units for use in central-station burglar-alarm systems, proprietary burglar alarm systems, police station connect burglar-alarm systems, residential burglar alarm systems, residential fire warning systems, and home health care medical alert systems.
UL 1635 BULLETINS-2003 history
1970UL 1635-2018 Digital alarm communicator system units
2016UL 1635 BULLETIN-2016 UL Standard for Safety Digital Alarm Communicator System Units (COMMENTS DUE: November 21@ 2016)
2014UL 1635 BULLETIN-2014 UL Standard for Safety Digital Alarm Communicator System Units (COMMENTS DUE: February 17@ 2014)
2012UL 1635 BULLETIN-2012 UL Standard for Safety Digital Alarm Communicator System Units (COMMENTS DUE: June 18@ 2012)
2011UL 1635 BULLETIN-2011 UL Standard for Safety Digital Alarm Communicator System Units
2009UL 1635 BULLETIN-2009 UL Standard for Safety Digital Alarm Communicator System Units
2008UL 1635 BULLETIN-2008 UL Standard for Safety Digital Alarm Communicator System Units (COMMENTS DUE: May 02@ 2008)
2004UL 1635 BULLETIN-2004 UL Standard for Safety Digital Alarm Communicator System Units
2003UL 1635 BULLETIN-2003 UL Standard for Safety Digital Alarm Communicator System Units
1996UL 1635-1996 UL Standard for Safety Digital Alarm Communicator System Units (Third Edition; Reprint with Revisions Through and Including January 05@ 2010)
1991UL 1635-1991 Digital alarm communicator system units