Replacing Fuses
USB-622x/625x/628x OEM devices have a replaceable T 2A 250V
(5 × 20 mm) fuse that protects the device from overcurrent through the
power connector.
(USB-628x Devices Only) USB-628x OEM devices also have a replaceable
F 2A 125V fuse that protects the device from overcurrent through the +5 V
terminal(s).
Replacement fuse information can be found in Table 1. To replace a broken
fuse in USB-622x/625x/628x OEM devices, complete the following steps.
1. Power down and unplug the device.
2. Replace the broken fuse while referring to Figure 13 for the fuse
locations.
2
1
1
T 2A 250V (5 x 20 mm) Fuse
2
F 2A 125V Fuse on USB-628x OEM Devices
Figure 13. USB-622x/625x/628x OEM Fuse Locations
© National Instruments Corporation
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NI USB-622x/625x/628x OEM User Guide
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