National Instruments VXI-USB - Manual (Page 11)

Chapter 1 Introduction
© National Instruments Corporation 1-3 VXI-USB User Manual
The VXI-USB links the computer to the VXIbus and converts USB data
transfers into VXIbus data transfers and vice versa. The VXI-USB includes
additional USB Series A ports you can use to connect other USB devices.
VXI-USB Front Panel Features
The VXI-USB has the following front panel features:
• Front panel LEDs
– FAILED—Indicates the VXI-USB is asserting SYSFAIL on the
bus due to a controller failure.
– SYSFAIL—Indicates the VMEbus SYSFAIL line is asserted by
the VXI-USB or another device on the bus.
– VXI—Indicates the VXI-USB is being accessed as a VXI slave.
– ONLINE
• Green—Indicates the VXI-USB is configured by Resman.
• Amber—Indicates the VXI-USB is not configured by
Resman.
– USB—Indicates there is USB traffic to/from the VXI-USB (this
excludes any traffic to all other downstream USB devices).
– LINK
• Green—Indicates the VXI-USB is connected to a USB host
and has a full-speed (USB 1.x, 12 Mbps) connection.
• Amber—Indicates the VXI-USB is connected to a USB host
and has a high-speed (USB 2.0, 480 Mbps) connection.
• One host (Series B) USB connector
• Two device (Series A) USB connectors
• Three SMB connectors
– Trigger input
– Trigger output
– External clock
• System reset pushbutton