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3.2 Power Supply
The CF card reader does not need any additional power supply. The power supply (5 V DC) is realized by the USB
connector. The LED P10 lights green when power supply is connected.
3.2.1
Power consumption
The power consumption of the device depends on the CF media plugged in the reader. The table shows the values.
media
None
CF card
CF card
3.2.2
UL requirements
Danger
To meet the UL requirements, the USB hub CU8800-0000 must not be connected to
unlimited power sources!
CU8870-0000
state
Standby
Idle
Access
current consumption
2 mA
1 mA
20 mA
Installation
power consumption
10 mW
5 mW
100 mW
7
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