Measurement-computing USB-3101 Manuel d'utilisateur télécharger pdf (Page 13)

Chapter 3

Functional Details

External components

The USB-3101 has the following external components, as shown in Figure 3.

 USB connector

 Status LED

 Power LED

 Screw terminal banks (2)

USB

connector

Power LED

Status LED

Screw terminal

pins 1 to 28

Screw terminal

pins 29 to 56

Figure 3. USB-3101 external components

USB connector

The USB connector provides power and communication to the USB-3101. The voltage supplied through the

USB connector is system-dependent, and may be less than 5 V. No external power supply is required.

Status LED

The Status LED indicates the communication status of the USB-3101. It flashes when data is being transferred,

and is off when the USB-3101 is not communicating. This LED uses up to 10 mA of current and cannot be

disabled.

Power LED

The power LED lights up when the USB-3101 is connected to a USB port on your computer or to an external

USB hub that is connected to your computer.

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Measurement-computing USB-3101 Manuel d'utilisateur Page 13