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FAQ and Help Pages
How to read a listing
BTL listings are written in a standard format for
all manufacturers and profiles. The graphic below explains how to interpret each field.

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Difference between a BTL Listed product and BACnet International Product in the Product catalog.
The products displayed in the BACnet International product catalog are a mix of BTL tested and non
tested devices. Devices that have the BTL mark to the right of the product are BTL tested devices.
BACnet International and the BTL symbols next to each product are linked to the underlying listing
or PICS document. Currently all products are listed by manufacturer.
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Listings by Manufacturer Help
The devices listed in this section are BTL tested devices sorted by Manufacturer. You will
notice that each Manufacturer has a separate page listing all devices that have passed BTL testing.
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Listings by Device Profile Help
The devices listed in this section are BTL tested devices sorted by device profile. Many
device profiles have not been tested and the pages are empty. This is because the BTL has
not begun testing these types of devices and there are no certifications for any device
of this type.
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Terminology used in this site
Device profile - See ANNEX L - DESCRIPTIONS AND PROFILES OF STANDARDIZED
BACnet DEVICES (NORMATIVE)
BACnet International - is an organization that will encourage the successful use of
BACnet in building automation and control systems through interoperability testing, educational programs, and promotional
activities. BACnet International will complement the work of other BACnet-related groups whose charters limit their
commercial activities. BACnet International members will include companies involved in the design, manufacturing,
installation, commissioning, and maintenance of control equipment that uses BACnet for communication, as well
as other interested persons.
BTL - The BACnet Testing Laboratories (BTL), which is part of BACnet International,
offers a product testing and listing program for products that have BACnet capability. The BTL's authorized test
laboratories will test the BACnet functionality of a product to a set of requirements developed by the
BTL that are based on ASHRAE Standard 135.1P. Products that meet the BTL's
requirements are eligible to receive a BTL listing.
BTL Mark - The logo awarded to devices that a past a set of
tests required to be performed based on the functionality of the device and the
tests defined in the working group work reports.
BTL Working Group - Group that recommends changes to 135.1
and lists work reports which define the tests that need to be run in order to obtain a BTL mark.
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