Programmable Serial-to-Ethernet Device Servers, 1x RS-232, 1x RS-485, 1x RS-422, 4x DI, 4x DO, LED display, CPU 80186 80 Mhz

Programmable Serial-to-Ethernet Device Servers, 2x RS-232, 1x RS-485, 4x DI, 4x DO, LED display, CPU 80186 80 Mhz

Programmable Serial-to-Ethernet Device Servers, 1x RS-232, 1x RS-485, 6x DI , 7x DO ports, LED display, CPU 80186 80 Mhz

Programmable Serial-to-Ethernet Device Servers, 5x RS-232, 1x RS-485, 1x DI, 2x DO, LED display, CPU 80186 80 MHz

Programmable Serial-to-Ethernet Device Servers, 3x RS-232, 1x RS-485, 4x DI, 4x DO, LED display, CPU 80186 80 MHz

Programmable Serial-to-Ethernet Device Servers, 1x RS-232, 1x RS-485, 6x DI, 7x DO ports, WT-25+75, 512KB SRAM, 512KB Flash, EEPROM 16KB, 10/100Base-TX, CPU 80186 80 MHz, Metal Case, LED Display, with Metal Case