IBM SurePOS 700 Series, Hardware Service Manual

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Power
This section describes the power, power switches, and power management.
Attention: Hot plugging of powered USB devices is not supported.
These are the power requirements for the SurePOS 700 Series Models 723, E23,
743, C43, E43, 783, E83, 784, C84, and E84:
v Input voltage: 100 to 127 VAC or 200 to 240 VAC nominal
v
Frequency: 50 to 60 Hz, ±3 Hz
v Power consumption: 70 W typical, 120 W maximum
See Table 7 for the maximum continuous DC load rating for each port.
Notes:
1. The total 12 V current for all external loads is 5 A maximum. The total 5 V
current available for all external loads is 5 A maximum.
2. Two printers cannot be attached to the system simultaneously.
3. Only one cash drawer can be activated at any time.
Table 7. Port DC loads
Port Amperage
24 V printer 3.0 A
38 V printer 2.1 A
24 V/38 V cash drawer 1.0 A 150 ms pulse
12 V RS-485 1.0 A/port
12 V RS-232 1.0 A/port
12 V USB 1.5 A/port
5 V RS-485 1.0 A/port
5 V RS-232 1.0 A/port
5 V PS/2 keyboard 0.5 A/port
5 V PS/2 mouse 0.5 A/port
5 V in all USB ports 0.5 A/port
The total 12 V current for all external loads is 5 A maximum.
The total 5 V current for all external loads is 5 A maximum.
Chapter 1. Introducing the SurePOS 700 models
17