Epson RS-232C slave Board RC700/90

SKU: epson r12nz9004e

MPN: R12NZ9004E

RS-232C serial interfacesThere are still some devices which only have the serial interface for communication.With the serial expansion card you can use up to four of those interfaces.RS-232C, Serial interface for communication with external accessories, Two channels per card (up to 2 expansion cards for a total of 5 channels)