... network protocol: Modbus RTU3. read/write access of up to 250 data-points. PILOT Point Expansion unit, type ... (write) Holding Register04- Read Input Register ------------------------------------------------------------------------Comm speed selection, BACnet MS/TP:2400, 4800, 9600 (default ... ), 19200, 38400, 76800Comm speed selection, Modbus subnet:2400, 4800, 9600 (default), ...