Dell PowerConnect J-8216 Hardware Guide - Page 246
Prevention of Electrostatic Discharge Damage on J-EX Series Switches
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Dell PowerConnect J-Series J-EX8216 Ethernet Switch Hardware Guide • Evaluated to the TN power system. • Canada-Canadian Electrical Code, Part 1, CSA C22.1. • Locate the emergency power-off switch for the room in which you are working so that if an electrical accident occurs, you can quickly turn off the power. • Make sure that grounding surfaces are cleaned and brought to a bright finish before grounding connections are made. • Do not work alone if potentially hazardous conditions exist anywhere in your workspace. • Never assume that power is disconnected from a circuit. Always check the circuit before starting to work. • Carefully look for possible hazards in your work area, such as moist floors, ungrounded power extension cords, and missing safety grounds. • Operate the J-EX Series switch within marked electrical ratings and product usage instructions. • To ensure that the J-EX Series switch and peripheral equipment function safely and correctly, use the cables and connectors specified for the attached peripheral equipment, and make certain they are in good condition. You can remove and replace many switch components without powering off or disconnecting power to the switch, as detailed elsewhere in the hardware documentation for this product. Never install equipment if it appears damaged. Related • General Safety Guidelines and Warnings for J-EX Series Switches on page 201 Documentation • AC Power Electrical Safety Guidelines for J-EX Series Switches on page 232 Prevention of Electrostatic Discharge Damage on J-EX Series Switches Switch components that are shipped in antistatic bags are sensitive to damage from static electricity. Some components can be impaired by voltages as low as 30 V. You can easily generate potentially damaging static voltages whenever you handle plastic or foam packing material or if you move components across plastic or carpets. Observe the following guidelines to minimize the potential for electrostatic discharge (ESD) damage, which can cause intermittent or complete component failures: 230