BRAND: KEYSCAN-DORMAKABA# MODEL: USBSER# # USB COMMUNICATOR, SERIAL FOR KEYSCAN SYSTEMS# # RS-232 TO USB COMMUNICATION CONVERTER, RS-485 TO USB COMMUNICATION CONVERTER # POWER SUPPLY TAKEN FROM THE PC, COMPATIBLE WITH USB 1.1 OR 2.0.# INCLUDES A 1.8M CABLE., INCLUDES A 1.8M USB CABLE.# TRANSPARENT PLASTIC SLEEVE FOR ELECTRICAL ISOLATION AND DISPLAY OF TX AND RX LEDS., DISPLAY OF THE TX AND RX LEDS MOUNTED ON THE BOARD## IDEAL FOR SINGLE ACU# COMMUNICATION., IDEAL FOR SINGLE ACU COMMUNICATION# SUITABLE FOR PROGRAMMING / CONTROL OF LAPTOPS OR WHERE THE COM PORT IS NOT AVAILABLE., LAPTOPS OR WHERE COM PORT IS NOT AVAILABLE