UL 1076-2021 pdf free download.Proprietary Burglar Alarm Units and Systems.
6.10 HARDWIRE KEY DEVICE — A mechanical or electronic device employed to enable the remote
programming mode.
6.11 HVAC SYSTEM — Heating, Ventilating. and Air-Conditioning system.
6.12 LINE-VOLTAGE — The voltage at any field-connected source of supply, nominally 50 — 60 hertz;
115. 208, or 230 volts.
6.13 MULTIPLEXING — A signaling method using wire path, cable carrier, radio, or combinations of these methods characterized by the simultaneous and/or sequential transmission and reception of multiple signals in a communication channel including means for positively identifying each such signal.
6.14 NORMAL STANDBY CONDITION — The ready-to-operate condition which exists prior to being tripped or operated by an intrusion.
6.15 PACKET SWITCHED DATA NETWORK (PSDN) — A type of data transmission in which data is divided into packets, each of which has a destination address. Each packet is then routed across a computer network. A packet may travel a different route than packets related to It.
6.16 PRIMARY BATTERY — Any battery which by design or construction is not intended to be recharged.
6.17 RADIO FREQUENCY — Electromagnetic radiation normally 20 kilohertz or higher.
6.18 “SAFETY CIRCUIT — Any circuit that is relied upon to reduce the nsk of fire, electric shock, or
unintentional contact with moving parts that may cause injury to persons (an interlock circuit, for example).
6.19 SECONDARY BATTERY — Any battery which, by design or construction, is intended to be
recharged.
6.20 SERVICE CENTER — A location that may be separate from the alarm service company’s main business location providing runner, installation, maintenance, and repair service to systems served by the central supervising station. Keys for protected premises are retained at the service center. The service center is to keep maintenance records for the systems that it serves unless the records can be accessed from another location.
6.21 SERVICE VEHICLE — A vehicle used to provide runner service, installation, maintenance, and repair service to systems served by the company.
6.22 SIGNAL TRANSMISSION METHODS — Any of the following methods: direct wire, multiplex, derived channel, two way radio (RF), DACT/DACR. one way radio (RF), packet switched data network, or code transmitter.
6.23 SOFTWARE — Instructions that are temporarily or permanently stored in the computers memory and used to provide function and control of the computers components.
6.24 SYSTEM DATABASE — Information entered into the computer by authorized personnel including items such as, but not limited to. names, addresses, telephone numbers, security information for system users, graphics and the like.UL 1076 pdf download.