APC Smart-UPS On-Line, 16 kW / 20 kVA, Input 230V, 400V 3PH / Output 230V , Interface Port DB-9 RS-232, RJ-45 10/ 100 Base-T, Smart-Slot , Extended runtime model , Rack Height 12 U Includes: CD with software, Rack Mounting support rails, Smart UPS signalling RS-232 cable, User Manual, Web/ SNMP Management Card