OfficeServ 7400 INSTALLATIONTECHNICAL MANUAL PART 1 MAY 20101.41.3 POWER CONDITIONSThe OfficeServ 7400 power supply module receives AC input power or battery power, andsupplies -54V, -5V, +5V, +3.3V, +12V, and -54V (battery) to the system cabinet.The rating is as follows: RATING: AC 100-240V; 10A; 50/60Hz or DC 48V; 15ATable 1.1 Power SpecificationsPower Supply Unit (PSU) SpecificationPSU Input power AC 110VDC -54V(-54V DC for battery backup ONLY)Output power - DC -54V, 6.6A- DC +5V, 16A- DC -5.3V, 2A- DC +3.3V, 30A- DC +12V, 1A- DC -54V, 0.4A (for battery backup)Max Power consumption/PSU 582.3W1.4 UNPACKING AND INSPECTIONThe OfficeServ 7400 can be configured as a single cabinet, dual cabinet or 3-cabinet system.All OfficeServ 7400 cabinets are identical when shipped from Samsung. After unpacking thecabinet(s), inspect for signs of physical damage. If any damage is detected, do not attempt toinstall the system. Contact Samsung Telecommunications America Technical SupportDepartment.Check to see that each cabinet carton includes the following: OfficeServ 7400 cabinet AC Power Cable Rack Mount Side Flange Brackets (2) Rack Mount Cross Bar (1) Screw Pack Battery Cable Assembly Blanking Plates (5)