National Instruments 622 Series User Manual

© National Instruments | 1-9
M Series User Manual
Figure 1-7. USB Cable Strain Relief on USB-62xx BNC Devices
USB Device Fuse Replacement
M Series USB devices have a replaceable T 2A 250V (5 × 20 mm) fuse that protects the device
from overcurrent through the power connector.
(USB-6281/6289 Devices) USB-628x devices also have a replaceable Littelfuse 0453002
(F 2A 250V) fuse that protects the device from overcurrent through the +5 V terminal(s).
(USB-622x/625x/628x Screw Terminal Devices) To replace a broken fuse in the USB-62xx
Screw Terminal, complete the following steps.
1. Power down and unplug the device.
2. Remove the USB cable and all signal wires from the device.
3. Loosen the four Phillips screws that attach the back lid to the enclosure and remove the lid.
4. Replace the broken fuse while referring to Figure 1-8 for the fuse locations.
1 USB Cable Strain Relief
2 Security Cable Slot
3 Signal Wire Strain Relief
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National Instruments 622 Series Specifications

General

Brand	National Instruments
Model	622 Series
Category	I/O Systems
Language	English