24V Model; Power Supply Capacities To Each Port - Epson MR Series Technical Reference Manual

24V model

Input voltage/current:
Input frequency:
Cooling fan:
depending on
MTBF:
Precautions:
2) When the protective circuit of the voltage power unit performs a shutdown, the protective
circuit keeps working for a while. When this happens, unplug the power cable and wait for
about 15 seconds; then plug the cable back in.
Power supply capacity for external devices
Total power available to devices connected to the interface boards in the PCI slot, COM3/4,
keyboard/mouse, and USB are as follows. Current drain must not exceed the capacity shown
for each supply voltage: +5V, +3.3V, +12V, and -12V.
Power supply
+5 VDC
+3.3 VDC
+12 VDC
-12 VDC
Each port has the following current limitation:

Power Supply Capacities to Each Port

Port
COM port
USB port
Keyboard and mouse
Power Supply for 24V model +24 VDC
3-6 Hardware Specifications
100 - 127 VAC / 4A
200 - 240 VAC / 2A
50 ± 3 Hz / 60 ± 3 Hz
Air intake type, fan rotation speed is automatically changed,
the temperature in the power supply unit.
200,000 hours
Used for
PCI slot, COM ports, keyboard/mouse, USB
PCI slot
PCI slot, COM ports
PCI slot
Voltage Current supply capacity
+5 VDC 500 mA each (peak 1 A/100 ms)
+12 VDC 500 mA each (peak 1 A/100 ms)
+5 VDC 500 mA each (peak 1 A/100 ms)
+5 VDC 500 mA (peak 1A / 100 ms)
2A (peak 1A / 100 ms)
Capacity
2.0 A
1.0 A
1.0 A
0.02 A
Remarks
Total current of +5
VDC and +12 VDC
must not exceed the
value shown at left.
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Rev. I