IBM 4840-544 Service Guide - Page 204

August 3, 2006 Power requirements and consumption This section describes the power requirements and power consumption of the SurePOS 500 Series. Power Table 18. Input voltage, frequency Input 100 - 127 V AC 200 - 240 V AC 50 or 60 Hz 50 or 60 Hz Frequency Table 19. SurePOS 500 Series power supply Nominal output voltage Tolerance Continuous current Maximum current (indefinite) +5.0 V AUX ±5% 1.0 A 2.0 A +5.0 V MAIN ±5% 7.0 A 12.0 A +12.0 V ±5% 5.0 A 9.0 A +3.3 V ±5% 4.0 A 9.0 A -12.0 V ±10% 0.3 A 0.3 A +25.3 V ±4% 0.5 A 3.0 A Table 20. Power consumption State: Off Standby On (idle, no I/O) On (maximum) 3.5 W 50 W 90 W 120 W Usage: Output connectors To meet the 8-A current limit on outputs per IEC 950, Clause 2.11 regarding Limited Power circuits requirements, there are dedicated PTCs on the following output ports: v +5 V keyboard/mouse v +5 V/+12 V internal and external customer display v 5 V USB v 12 V powered USB v +12 V external speaker v +5 V MSR Notes: 1. The 24 V cash drawer and printer output is limited to 8 A by the main switching power supply. 2. Two printers cannot be attached to the system simultaneously. 178