- ページ 8

ネットワーク・ルーター Cisco 2821 SeriesのPDF インストールとアップグレードをオンラインで閲覧またはダウンロードできます。Cisco 2821 Series 21 ページ。 2800 series integrated services routers
Cisco 2821 Series にも：データシート (20 ページ), オペレーション (31 ページ), オペレーション (31 ページ), クイック・スタート・マニュアル (47 ページ)

ページを印刷する

Safety Warnings and Guidelines

Warning

Do not touch the power supply when the power cord is connected. For systems with a power switch,

line voltages are present within the power supply even when the power switch is off and the power

cord is connected. For systems without a power switch, line voltages are present within the power

supply when the power cord is connected. Statement 4

Do not work on the system or connect or disconnect cables during periods of lightning activity.

Warning

Statement 1001

Before opening the chassis, disconnect the telephone-network cables to avoid contact with

Warning

telephone-network voltages. Statement 1041

Network hazardous voltages are present in the BRI cable. If you detach the BRI cable, detach the end

Warning

away from the router first to avoid possible electric shock. Network hazardous voltages also are

present on the system card in the area of the BRI port (RJ-45 connector), regardless of when power is

turned off. Statement 44

Warning

Before working on a chassis or working near power supplies, unplug the power cord on AC units;

disconnect the power at the circuit breaker on DC units. Statement 12

Warning

When installing the unit, always make the ground connection first and disconnect it last. Statement 42

Installing and Upgrading Fans in the Cisco 2821 and Cisco 2851 Series Routers

78-18643-02