NEC Express5800/R120f-1M Guide de l'utilisateur télécharger pdf (Page 40)

1. Installing Internal Optional Devices

Chapter 2 Preparations

1.2

Anti-static Measures

The server contains electronic components sensitive to static electricity. Avoid failures caused by static

electricity when installing or removing any optional devices.

• Wearing Anti-static Wrist Strap Or Anti-static Gloves

Wear a wrist strap on your wrist and connect the wire to the chassis. If there is no wrist strap,

touch an unpainted metal surface of the chassis connected to the ground to discharge static

electricity from your body before touching the component. Touch the metal part occasionally to

discharge the static electricity while working on the component.

• Checking the Workplace

− Work on an anti-static floor or concrete floor.

− If you work on a place where static electricity is likely to be generated (e.g. carpet), be sure to

provide anti-static protection.

• Using the Work Table

Place the server on a mat with Electrostatic Discharge (ESD) protection.

• Clothing

− Do not wear wool or synthetic clothes.

− Wear anti-static shoes.

− Remove any kind of metal accessories such as a ring, bracelet or wrist watch.

• Handling of Components

− Keep the component in an anti-static bag until you install it to the server.

− Hold the component by the edges to avoid touching any terminals or mounting parts.

− Place the component in an anti-static bag when storing or moving them.

• Handling of Cables

When connecting a cable (e.g., LAN cable), static electricity may also be charged due to friction

against the floor. Connecting the charged cable with an I/O device may cause damage to the

devices in the system. It is recommended to use a product such as electrostatic discharge kit to

eliminate the static charge before connecting the cable.

• Installing and Uninstalling the Optional Device

− To avoid electric hazard and malfunction, be sure to turn off the power switch of the server

and unplug the power cord from the outlet before installing or uninstalling any optional device.

− If the device is hot-swappable, you do not need to turn off the power switch.

− The device contains static-sensitive electronic components. When installing or uninstalling the

optional device, wear an anti-static wrist strap on your wrist to avoid a failure caused by the

static electricity. To use the strap, connect the wire to the chassis.

Express5800/R120f-1M User’s Guide

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NEC Express5800/R120f-1M Guide de l'utilisateur Page 40