Measurement-computing USB-TC Manual do Utilizador descarregar pdf (Página 14)

USB-TC User's Guide Functional Details

USB connector

The USB connector provides +5V power and communication. No external power supply is required.

LED

The LED indicates the communication status of the USB-TC. It uses up to 5 mA of current. The table below

defines the function of the USB-TC LED.

Illumination

LED

Illumination

Indication

Steady green

The USB-TC is connected to a computer or external USB hub.

Blinking green

Data is being transferred.

Upon connection, the LED blinks three times and then remains on; this indicates a successful

installation.

Power

The two +5V terminals are isolated (500 VDC) from the USB +5V.

Caution! Each +5V terminal is an output. Do not connect to an external power supply or you may damage

the USB-TC and possibly the computer.

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Measurement-computing USB-TC Manual do Utilizador Página 14