The thermostat supports the communication protocol (BACnet MS/TP) as per the BACnet specification (see

MAC address

The MAC address is assigned to "4" (factory setting). If necessary, engineer/installer can change the address value using the parameter P93.

Baud rate

The Baud rate is selectable. Five options, auto, 9600 bps, 19200 bps, 38400 bps and 76800 bps, are available for the BACnet network (38400 bps is default).