National Instruments usb device 625x 用户手册

© National Instruments Corporation

Figure 2.  USB-6221/6251/6281 OEM Dimensions in Inches (Millimeters)

0.436 (11.07)

0.392 (9.96)
0.362 (9.19)
0.162 (4.11)
0.062 (1.57)
0.000 (0.00)

0.396 (10.06)

0.304 (7.72)
0.256 (6.50)
0.116 (2.95)
0.000 (0.00)

6.950 (176.53)

4x 6.718 (170.63)

6.270 (159.26)
6.140 (155.96)
5.930 (150.62)

0.000 (0.00)

0.200 (5.08)

2.072 (52.63)

3.296 (83.72)

6.200 (157.48)

6.400 (162.56)

0.000 (0.00)

6.400 (162.56)

0.393 (9.98)

0.200 (5.08)

0.918 (23.32)

3.734 (94.84)

3.730 (94.74)

3.180 (80.77)

3.220 (81.79)

3.198 (81.22)

6.013 (152.74)

5.900 (149.86)

5.210 (132.33)

0.390 (9.91)

1.057 (26.85)

1.750 (44.45)

2.300 (58.42)

2.606 (66.19)

3.080 (78.23)

0.200 (5.08)

5.290 (134.37)

6.140 (155.96)

0.304 (7.72)

0.515 (13.08)

2X 

Ø 

0.140 Cutout

in Panel for LEDs

Ø 

0.330 Cutout in Panel

for Power Connector

7X 

Ø 

0.125 (3.18)

4X 

Ø 

0.110 (2.79)

0.609 (15.47)

0.442 (11.23)