VisuNet XT-9700, User Manual

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VisuNet XT 9700 Series
Field Maintenance and Repair
7.2.4 Fuse Replacement
The fuse holders are located on the I/O panel behind the junction box.
Remove the junction box by performing the following steps.
1. Loosen the twelve (12) captive Phillips-head screws securing the junction box to the
housing. Refer to Figure 5.1 , if necessary.
2. Carefully pull the junction box away from the housing enough to gain access to the fuse
holders. Make sure not to strain the cables connecting the two (2) USB connectors to the
USB ports.
3. Remove the fuse holder by turning it counter-clockwise with a flat blade screwdriver and
pulling it out of the unit.
4. Pull the damadged fuse out of the holder and install a new fuse.
5. Insert the fuse holder into the unit and turn it clockwise to secure it.
6. Reinstall the junction box by following the procedure in
Section 5.1.5 .
Figure 7.18 Fuse Removal
Caution!
Power down the the VisuNet unit before beginning this procedure.
This procedure must be performed in a clean, non-hazardous environment free of dust
and contaminants. Make sure no liquids or dust particles penetrate the unit.
It is highly recommended that the service technician be properly grounded using a
grounding strap during this procedure.
Caution!
Failure to install the cover plate in the manner described may result in loss of enclosure
protection.