4X Ø 0.110 (2.79)
7X Ø 0.125 (3.18)
6.950 (176.53)
4x 6.718 (170.63)
6.270 (159.26)
6.140 (155.96)
5.930 (150.62)
6.140 (155.96)
5.290 (134.37)
0.396 (10.06)
0.304 (7.72)
0.256 (6.50)
0.116 (2.95)
0.000 (0.00)
0.304 (7.72)
0.200 (5.08)
0.436 (11.07)
0.392 (9.96)
0.362 (9.19)
0.162 (4.11)
0.062 (1.57)
0.000 (0.00)
0.609 (15.47)
0.515 (13.08)
0.442 (11.23)
2X Ø 0.140 Cutout
in Panel for LEDs
Ø 0.330 Cutout in Panel
for Power Connector
Figure 2. USB-6221/6251/6281 OEM Dimensions in Inches (Millimeters)
© National Instruments Corporation
3
NI USB-622x/625x/628x OEM User Guide