ZyXEL Communications 5 Series Benutzerhandbuch
ZyWALL 5/35/70 Series User’s Guide
781
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P P E N D I X
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Removing and Installing a Fuse
This appendix shows you how to remove and install fuses for the ZyWALL.
If you need to install a new fuse, follow the procedure below.
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If you use a fuse other than the included fuses, make sure it matches the fuse
specifications in the product specifications chapter.
specifications in the product specifications chapter.
Removing a Fuse
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Disconnect all power from the ZyWALL before you begin this procedure.
1 Place the rear panel of the ZyWALL in front of you.
2 Remove the power cord from the back of the unit.
3 The fuse housing is located between the power switch and the power port. Use a small
2 Remove the power cord from the back of the unit.
3 The fuse housing is located between the power switch and the power port. Use a small
flat-head screwdriver to carefully pry out the fuse housing.
4 A burnt-out fuse is blackened, darkened or cloudy inside its glass casing. A working fuse
has a completely clear glass casing. Pull gently, but firmly, to remove the burnt out fuse
from the fuse housing. Dispose of the burnt-out fuse.
from the fuse housing. Dispose of the burnt-out fuse.
Installing a Fuse
1 The ZyWALL is shipped from the factory with one spare fuse included in a box-like
section of the fuse housing. Push the middle part of the box-like section to access the
spare fuse. Put another spare fuse in its place in order to always have one on hand.
spare fuse. Put another spare fuse in its place in order to always have one on hand.
2 Push the replacement fuse into the fuse housing until you hear a click.
3 Firmly, but gently, push the fuse housing back into the ZyWALL until you hear a click.
4 Plug the power cord back into the unit.
3 Firmly, but gently, push the fuse housing back into the ZyWALL until you hear a click.
4 Plug the power cord back into the unit.