D-Link 3312SR - Switch Spécifications télécharger pdf (Page 10)

DGS-3212SR Stackable Gigabit Layer 2 Switch

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Do not push any objects into the openings of your system. Doing so can cause fire or electric shock by shorting out

interior components.

Use the product only with approved equipment.

Allow the product to cool before removing covers or touching internal components.

Operate the product only from the type of external power source indicated on the electrical ratings label. If you are

not sure of the type of power source required, consult your service provider or local power company.

To help avoid damaging your system, be sure the voltage selection switch (if provided) on the power supply is set to

match the power available at your location:

115 volts (V)/60 hertz (Hz) in most of North and South America and some Far Eastern countries such as South

Korea and Taiwan

100 V/50 Hz in eastern Japan and 100 V/60 Hz in western Japan

230 V/50 Hz in most of Europe, the Middle East, and the Far East

Also, be sure that attached devices are electrically rated to operate with the power available in your location.

Use only approved power cable(s). If you have not been provided with a power cable for your system or for any AC-

powered option intended for your system, purchase a power cable that is approved for use in your country. The power

cable must be rated for the product and for the voltage and current marked on the product's electrical ratings label.

The voltage and current rating of the cable should be greater than the ratings marked on the product.

To help prevent electric shock, plug the system and peripheral power cables into properly grounded electrical outlets.

These cables are equipped with three-prong plugs to help ensure proper grounding. Do not use adapter plugs or

remove the grounding prong from a cable. If you must use an extension cable, use a 3-wire cable with properly

grounded plugs.

Observe extension cable and power strip ratings. Make sure that the total ampere rating of all products plugged into

the extension cable or power strip does not exceed 80 percent of the ampere ratings limit for the extension cable or

power strip.

To help protect your system from sudden, transient increases and decreases in electrical power, use a surge

suppressor, line conditioner, or uninterruptible power supply (UPS).

Position system cables and power cables carefully; route cables so that they cannot be stepped on or tripped over. Be

sure that nothing rests on any cables.

Do not modify power cables or plugs. Consult a licensed electrician or your power company for site modifications.

Always follow your local/national wiring rules.

When connecting or disconnecting power to hot-pluggable power supplies, if offered with your system, observe the

following guidelines:

Install the power supply before connecting the power cable to the power supply.

Unplug the power cable before removing the power supply.

If the system has multiple sources of power, disconnect power from the system by unplugging all power cables

from the power supplies.

Move products with care; ensure that all casters and/or stabilizers are firmly connected to the system. Avoid sudden

stops and uneven surfaces.

General Precautions for Rack-Mountable

Products

Observe the following precautions for rack stability and safety. Also, refer to the rack installation documentation

accompanying the system and the rack for specific caution statements and procedures.

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D-Link 3312SR - Switch Spécifications Page 10

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