Troubleshooting guide

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Do not install the Switch in a dusty or humid location.
• Do not install the Switch in a dusty or humid location. Doing so could result in fire or
electric shock.
• Condensation might form on the surfaces and the inside of the Switch if it is moved from
a cold location to a warm location. Using the Switch in this condition could result in fire
or electric shock. After moving the Switch between two locations with a large temperature
variation, let the Switch stand a few hours before using it.
Do not stack Switches on top of one another.
• Do not stack Switches on top of one another. Doing so might damage the Switch.
Furthermore, the Switch might fall, or become unbalanced, resulting in injury.
Do not step on the Switch, lean against it, or place anything on it.
• Do not step on the Switch, lean against it, or place anything on it. Doing so might damage
the Switch. Furthermore, the Switch might fall, or become unbalanced, resulting in injury.
When mounting a Switch in a rack, use brackets that support the weight of
the Switch.
• Rack mounting brackets of the Switch are for securing the Switch to the rack, not for
supporting the weight of the Switch. Use one of the following parts:
1. AX6304S: Guide rails, a shelf, or support brackets
2. AX6308S: Guide rails or a shelf
If you use guide rails or a shelf, use those that are supplied with the rack and that can support
the weight of the Switch (when all optional modules are mounted).
Use support brackets only for the AX6304S.
• Support brackets are only for the AX6304S. Do not use support brackets for any switches
other than the AX6304S. If support brackets are used for a switch other than the AX6304S,
the switch might fall, resulting in injury.
Be careful when using support brackets.
• When mounting the Switch in a rack by using support brackets, position the Switch
horizontally while supporting the front and back of the Switch, and continue to support it
until the screws are tightened. If the Switch is not level, the Switch might fall, resulting in
injury. In addition, other devices mounted on the same rack might be damaged.
• When mounting the Switch in a rack by using support brackets, the weight of the Switch
is supported by the rack mounting brackets and support brackets only. Be sure to tighten
the screws of the rack mounting brackets and support brackets firmly.
Do not obstruct the ventilation slots.
• Do not obstruct the ventilation slots of the Switch. Doing so causes heat to accumulate
inside the Switch, and could result in a fire. Maintain a space of at least 70 mm around the
ventilation slots.
Do not allow hair or objects near the ventilation slots.
• Cooling fan units are mounted in the Switch. Do not allow anything near the ventilation
slots. Doing so causes heat to accumulate inside the Switch and could cause a failure. Do