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Safety Warnings Summary


This is a summary of safety warnings. For the complete list of warnings, including translations, see the EX Series documentation


Failure to observe these safety warnings can result in personal injury or death.

  • Before removing or installing components of a switch, wrap and fasten one end of an ESD wrist strap around your bare wrist, and connect the other end of the strap to the ESD point on the switch. Failure to use an ESD strap could result in damage to the switch.

  • Permit only trained and qualified personnel to install or replace switch components.

  • Perform only the procedures described in this quick start and the EX Series documentation. Other services must be performed only by authorized service personnel.

  • Before installing the switch, read the planning instructions in the EX Series documentation to ensure that the site meets power, environmental, and clearance requirements for the switch.

  • Before connecting the switch to a power source, read the installation instructions in the EX Series documentation.

  • For the cooling system to function properly, the airflow around the chassis must be unrestricted. Read the clearance requirements for the switch in the EX Series documentation.

  • Do not lift the chassis by the power supply or fan tray handles.

  • If the rack has stabilizing devices, install them in the rack before mounting or servicing the switch in the rack.

  • Before installing or after removing an electrical component, always place it component-side up on an antistatic mat placed on a flat, stable surface or in an antistatic bag.

  • Do not work on the switch or connect or disconnect cables during electrical storms.

  • Before working on equipment that is connected to power lines, remove jewelry, including rings, necklaces, and watches. Metal objects heat up when connected to power and ground and can cause serious burns or become welded to the terminals.

Power Cable Warning (Japanese)

The attached power cable is only for this product. Do not use this cable for another product.