10/100Mb Ethernet Comms DL05/06 option module, with Modbus TCP/IP 10/100Mb Ethernet Comms DL05/06 option module, with Modbus TCP/IP  Ref: H0-ECOM100
DL05/06 Ethernet Communications module, supports master/slave communication, 10/100 Mbit with auto-detect, supports TCP/IP, UDP/IP, IPX & Modbus TCP application layer protocol