Cisco 3825 Series 설치 및 업그레이드 - 페이지 10

{카테고리_이름} Cisco 3825 Series에 대한 설치 및 업그레이드을 온라인으로 검색하거나 PDF를 다운로드하세요. Cisco 3825 Series 20 페이지. Integrated services routers
Cisco 3825 Series에 대해서도 마찬가지입니다: 비독점 보안 정책 (30 페이지), 빠른 시작 매뉴얼 (38 페이지), 빠른 시작 매뉴얼 (40 페이지)

페이지 인쇄

Items in the Fan Replacement Kit

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Preventing Electrostatic Discharge Damage

Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. It occurs when

electronic printed circuit cards are improperly handled and can result in complete or intermittent

failures. Always follow ESD-prevention procedures when removing and replacing cards. Ensure that the

router chassis is electrically connected to earth ground. Wear an ESD-preventive wrist strap, ensuring

that it makes good skin contact. Connect the clip to an unpainted surface of the chassis frame to safely

channel unwanted ESD voltages to ground. To properly guard against ESD damage and shocks, the wrist

strap and cord must operate effectively. If no wrist strap is available, ground yourself by touching the

metal part of the chassis.

For safety, periodically check the resistance value of the antistatic strap, which should be between 1 and

Caution

10 megohms (Mohms).

Items in the Fan Replacement Kit

The fan replacement kit contains the following items:

•

Required Tools and Equipment

Installation might require some tools and equipment that are not provided as standard equipment with

the router. The following tools and parts are required for a typical router installation:

•

Installing and Upgrading Fans in the Cisco 3825 Series Routers

If an electrical accident occurs, proceed as follows:

Use caution, and do not become a victim yourself.

–

Turn off power to the system.

–

If possible, send another person to get medical aid. Otherwise, determine the condition of the

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victim and then call for help.

Fan unit (three fans connected together as one unit)

Additional replacement screws (a few extra screws are provided in case you misplace the original

screws)

Installing and Upgrading Fans in the Cisco 3825 Series Routers document (this document)

Number 2 Phillips screwdriver

ESD-preventive wrist strap

Antistatic mat

78-18642-01B0