ISMA-B-12O-HMultiprotocol I O module with 12 digital outputs and HOA switches, BACnet, and Modbus protocols. Multiprotocol I O Module with a MAX number of Digital Outputs a powerful addition to any building automation system Digitalize buildings with reduced engineering time using the powerful 12 digital outputs module, which works as a remote I O over the serial port with open protocols: BACnet MS TP, and Modbus RTU ASCII. Open protocols standard offers the