Appendix A Device-Specific Information

Table A-6.PWR/ACT LED Status (Continued)

LED State

Device Status

 

 

 

 

Single-blink

Operating normally. Connected to

 

USB Hi-Speed port. Refer to the

 

NI 621x Specifications for more

 

information.

 

 

Double-blink

Connected to USB full speed port.

 

Device performance might be

 

affected. Refer to the NI 621x

 

Specifications for more

 

information.