Serial Comms Mod 4 Port

4-port serial communications module for Productivity3000, Ports 1, 2 and 3: RS-232C (RJ12) half or full duplex ports; Port 4: selectable between (1) RS-232C (RJ12) or (1) RS-485 4-wire terminal block. All ports are configurable up to 38.4 kbaud, support Modbus RTU Master/Slave, ASCII IN/OUT and custom protocols; Port 1 can supply power to C-more Micro panels.