XP28 | BUS INTERFACE
The XP28 is a bus interface module and is located behind any push button keypad. The XP28 has 8 inputs, 8 LED outputs, 2 I/O, a temperature input and an IR input. There are 2 types: the XP28A for 38 kHz IR controls and the XP28B for 455kHz B&O controls. A maximum of 99 pieces per type may be present on one Consonbus.