Preventing Electrostatic Discharge - Cisco NCS 4000 Series Hardware Installation

Preventing Electrostatic Discharge

• Use Cisco equipment in accordance with its specifications and product-usage instructions.
• Do not work alone if potentially hazardous conditions exist.
• Make sure that your installation follows national and local electrical codes: in the United States, National
• Connect only a DC power source that follows the safety extra-low voltage (SELV) requirements in
• Make sure that you have a readily accessible two-poled disconnect device incorporated in the fixed
• Make sure that you provide short-circuit (overcurrent) protection as part of the building installation.
Preventing Electrostatic Discharge
Electrostatic discharge (ESD) damage, which can occur when electronic cards or components are improperly
handled, results in complete or intermittent failures. We recommend use of an ESD-preventive wrist strap
whenever you handle network equipment or one of its components.
Following are guidelines for preventing ESD damage:
• Always use an ESD-preventive wrist or ankle strap, and ensure that it makes good skin contact. Connect
• Handle a card by its ejector levers, when applicable, or its metal carrier only; avoid touching the board
• Place a removed card board side up on an antistatic surface or in a static-shielding bag. If you plan to
Hardware Installation Guide for Cisco NCS 4000 Series
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Fire Protection Association (NFPA) 70, United States National Electrical Code; in Canada, Canadian
Electrical Code, part I, CSA C22.1; in other countries, International Electrotechnical Commission (IEC)
60364, part 1 through part 7.
UL/CSA/IEC/EN 60950-1 and AS/NZS 60590 to the DC input power system.
configuration wiring of a DC input power system.
the equipment end of the connection cord to an ESD jack or a bare metal surface on the chassis (ensure
the chassis is grounded).
or connector pins.
return the component to the factory, immediately place it in a static-shielding bag.
Chassis Overview