1. Using the CAN bus and is fully compatible with the FK serial system.
2. Supporting LED dot-matrix vertical Display of elevator running direction and 3-bit stop that consists of various characters.
3. Displaying elevator state on a planar tube.
4. Using Open Collector (OC) to realize passing chime and landing light.
5. Supporting serial elevator lock and firefighting signal input.
6. Supporting elevator calling and answering display, with embedded calling button.