REDL DA70A0FNNNNNN030 REDLION FLEXEDGE 3-SLED MODULAR ADV TWO 10/100BASE-T(X) ETHERNET PORTS TWO (2) ISOLATED RS-232 SERIAL PORTS ONE (1) ISOLATED RS-485 SERIAL PORT ONE (1) USB HOST PORT ONBOARD MEMORY: 1 GB FLASH EXPANSION MEMORY: UP TO 256 GB, MICRO SD 12-24 VDC +/- 15% -40 TO 75 C OPERATING TEMP