Chapter 3 Connector and LED Information
© National Instruments Corporation 3-13 M Series User Manual
LED Patterns
(USB-62xx Devices Only) All variants of M Series USB devices have LEDs
labeled ACTIVE and READY. The ACTIVE LED indicates activity over
the bus. The READY LED indicates whether or not the device is
configured. Table 3-3 shows the behavior of the LEDs.
Note USB-62xx BNC devices also have a POWER (+5 V) LED on the top panel. The
POWER (+5 V) LED indicates device power.
Table 3-3. LED Patterns
POWER (+5 V)
LED
*
ACTIVE
LED
READY
LED
USB Device State
Off Off Off The device is not powered.
On Off Off The device is powered but not
connected to the host computer.
On Off On The device is configured, but there is
no activity over the bus.
On On On The device is configured and there is
activity over the bus.
On Blinking On
*
The POWER (+5 V) LED is available on USB-62xx BNC devices only.
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