Large Analog Value Life Safety Point Life Safety Zone Lift Lighting Output Load Control Loop Multi-state Input Multi-state Output Multi-state Value Network Port Network Security Notification Class Notification Forwarder Octetstring Value Positive Integer Value Program Pulse Converter Schedule Structured View Time Pattern Value Time Value Timer Trend Log Trend Log Multiple BACnet testing BACnet Testing Laboratories ("BTL") was established by BACnet International to test products to BACnet standards and support compliance testing and interoperability testing activities and consists of BTL Manager and the BTL working group ("BTL-WG"). The general activities of the BTL are: Publishing the BTL Implementation Guidelines document Certifying the products per BACnet testing and BTL guidelines Supporting the activities of the BTL-WG Maintaining the BTL test packages Approving Testing Laboratories for BTL Testing The BTL also provides testing services through BACnet Laboratories. The BTL Managers and BTL working groups of BACnet International administer the test Laboratories. All BTL-recognized BACnet Test Organizations are ISO 17025 accredited. In January, 2017, a new BTL certification program was announced. Under this program, the work of the BTL and WSPCert (the European BACnet certification body) is merged. This merger forms a single point of testing for both the BTL Mark and the Certificate of Conformance. References External links BACnet website BACnet International Open Source BACnet Stack in C Computer-mediated communication Network protocols Building automation