These approvals apply only to the module specified in this document.
• ETL Standards for United States
- UL 2610:2021 Commercial Premises Security Alarm Units and Systems
- UL 985:2015 Household Fire Warning System Units
- UL 1023:2017 Household Burglar-Alarm System Units
• ETL Standards for Canada
- ULC S304:2016 Control Units, Accessories and Receiving Equipment for Intrusion Alarm
Systems
- ULC S545:2002 Residential Fire Warning System Control Units
Safety instructions
• This unit must be checked by a qualified technician once a year.
• The LE4050M device contains a radio transceiver operating in LTE CAT-M1 band.
• Do not use the Device with medical devices, or where it can interfere with other devices and
cause any potential danger.
• Do not expose the Device to high humidity, chemical environment, or mechanical impacts.
• Do not use the Device in hazardous environment. Don’t store or install the Device in
overheated, dusty, wet, or overcooled places.
• The Device is mounted in limited access areas. Any system repairs must be done only by
qualified, safety aware personnel. Don’t disassemble or refit the Device. Do not attempt to
personally repair it.
• Mains power must be disconnected before any installation or tuning work starts. The device
installation or maintenance must not be done during stormy conditions.
• The device must be powered by DC 12-15V power supply of the alarm panel.
• Blown fuses or any other components of the Device must not be replaced by the user.
• Keep the Device dry. Any liquid, i.e. rain, moisture, may destroy or damage the inside circuitry.
• Handle carefully. Don’t vibrate or shake it violently.
• Don’t clean it with chemicals, detergent.
• Please read the user manual carefully before installation and operation of the Device.
Otherwise, it may not work properly or be destroyed.
DSC connect technical support
• Phone: 1 800 387-3630
• Email: techsupport@connect24.com
• Website: https://www.dsc.com/
LE4050M INSTALLATION MANUAL8
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