The LonWorks® Gateway PDB is a conversion gateway between the BMS System using the LonWorks protocol and an LG Air Handling Unit using the LGAP protocol. The Gateway can convert the LonWorks protocol to the LGAP protocol. The LonWorks Gateway PDF can process a maximum of 8 ahu units. FT-10 line is used to connect communication lines between the BMS System and the LonWorks Gateway PDB.