Safety Information
For your protection, observe these safety precautions when setting up your equipment:
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Follow all cautions and instructions marked on the equipment and described in the documentation shipped with your switch.
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Follow all cautions and instructions marked on the equipment and described in the switch's safety and compliance guide.
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Ensure that the voltage and frequency of your power source match the voltage and frequency inscribed on the equipment's electrical ratings label.
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Follow the electrostatic discharge safety practices as described here.
Safety Symbols
Note the meanings of these symbols that might appear in this document.
 | Caution - There is a risk of personal injury or equipment damage. To avoid personal injury and equipment damage, follow the instructions. |
 | Caution - Hot surface. Avoid contact. Surfaces are hot and might cause personal injury if touched. |
 | Caution - Hazardous voltages are present. To reduce the risk of electric shock and danger to personal health, follow the instructions. |
ESD Measures
Some ESD-sensitive devices require special handling.
| Caution - Circuit boards contain electronic components that are extremely sensitive to static electricity. Ordinary amounts of static electricity from clothing or the work environment can destroy the components located on these boards. Do not touch the components along their connector edges. |
Antistatic Wrist Strap Use
Wear an antistatic wrist strap and use an antistatic mat when handling components such as power supplies and fan modules. When servicing or removing switch components, attach an antistatic strap to your wrist and then to a metal area on the chassis. Following this practice equalizes the electrical potentials between you and the switch.
Antistatic Mat
Place ESD-sensitive components on an antistatic mat. These items can be used as an antistatic mat:
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Antistatic bag used to wrap a replacement part
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ESD mat
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Disposable ESD mat (shipped with some replacement parts)