Industrial Intelligent CAN to Ethernet Converter with Metal Casing. The I-7540DM is a CAN to Ethernet converter, and is usually applied as an Ethernet to CAN/RS-232/485 Device Server. It supports socket access functions and virtual COM port technology which helps users to get the CAN, RS-232, RS-485 data via virtual COM port.The I-7540DM also provides transparent mode, which enables CAN networks to be coupled together over the Internet/Ethernet, ..