Manufacturer Part # : P2-550
Description : Productivity2000 CPU, up to 50 MB ladder memory, 4 x 10 character OLED display, microSD card slot, (2) Ethernet 10/100Base-T (RJ45), (1) RS-232 (RJ12), (1) RS-485 (3-pin terminal) and (1) microB-USB port(s), battery included.