ALLEN-BRADLEY 1769-L31 COMPACT LOGIX
BUY NEW OR USER SURPLUS ALLEN-BRADLEY PART NUMBER 1769-L31 COMPACT LOGIX DUAL SERIAL PORT CONTROLLER, 512 KB MEMORY, COMMUNICATION PORTS: 2 X RS-232 PORTS (ISOLATED DF1 OR ASCII & NON-ISOLATED DF1 ONLY) RS LOGIX5000 BASE UNIT ( THIS UNIT IS FULLY TESTED )