Manual USB-IIRO-16 Family
7
LED
The LED on the front of the enclosure is used to indicate power and data transmissions. When the LED is in
an illuminated steady green state, this signifies that the board is successfully connected to the computer and
has been detected and configured by the operating system. When the LED flashes continuously, this
signifies that there is data being transmitted over the USB bus.
Figure 1-1:
Block Diagram
Figure 1-2:
Example of one Input Circuit
