D-Link DWS-3160-24TC DWS-3160 Series Hardware Installation Guide - Page 7

General Precautions for Rack-Mountable Products, 230V/50Hz is used mostly in Europe, the Middle East

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DWS-3160 Series Gigabit Ethernet Unified Switch Hardware Installation Guide • Do not modify power cables or plugs. Consult a licensed electrician or your power company for site modifications. Always follow your local or national wiring rules. When connecting or disconnecting power to and from hot-pluggable power supplies, 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 and ensure that all casters and stabilizers are firmly connected to the system. Avoid sudden stops and uneven surfaces. To help avoid damage to the system, be sure that the voltage selection switch, on the power supply, is set to match the power available at the switch's location: • 115V/60Hz is used mostly in North and South America as well as Far Eastern countries like as South Korea and Taiwan • 100V/50Hz is used mostly in Eastern Japan and 100V/60Hz in Western Japan • 230V/50Hz is used mostly in Europe, the Middle East, Africa and the Far East General Precautions for Rack-Mountable Products Please pay careful attention to the following precautions concerning rack stability and safety. Systems are considered to be components in a rack. Thus, a component refers to any system, as well as to various peripherals or supporting hardware. CAUTION: Installing systems in a rack without the front and side stabilizers installed could cause the rack to tip over, potentially resulting in serious injury. After installing system/components in a rack, never pull more than one component out of the rack on its slide assemblies at one time. The weight of more than one extended component could cause the rack to tip over and may result in serious injury. • Before working on the rack, make sure that the stabilizers are secured to the rack, extended to the floor, and that the full weight of the rack rests on the floor. Install front and side stabilizers on a single rack or front stabilizers for joined multiple racks before working on the rack. • Always load the rack from the bottom up, and load the heaviest item in the rack first. • Make sure that the rack is level and stable before extending a component from the rack. • Use caution when pressing the component rail release latches and sliding a component into or out of a rack; the slide rails can pinch your fingers. • After a component is inserted into the rack, carefully extend the rail into a locking position, and then slide the component into the rack. • Do not overload the AC supply branch circuit that provides power to the rack. The total rack load should not exceed 80 percent of the branch circuit rating. • Ensure that proper airflow is provided to components in the rack. • Do not step on or stand on any component when servicing other components in a rack. CAUTION: Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if uncertain that suitable grounding is available. CAUTION: The system chassis must be positively grounded to the rack cabinet frame. Do not attempt to connect power to the system until grounding cables are connected. Completed power and safety ground wiring must be inspected by a qualified electrical inspector. An energy hazard will exist if the safety ground cable is omitted or disconnected. vii

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DWS-3160 Series Gigabit Ethernet Unified Switch Hardware Installation Guide
vii
•
Do not modify power cables or plugs. Consult a licensed electrician or your power company for site
modifications. Always follow your local or national wiring rules.
When connecting or disconnecting power to and from hot-pluggable power supplies, 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 and ensure that all casters and stabilizers are firmly connected to the system. Avoid
sudden stops and uneven surfaces.
To help avoid damage to the system, be sure that the voltage selection switch, on the power supply, is set to match
the power available at the switch’s location:
•
115V/60Hz is used mostly in North and South America as well as Far Eastern countries like as South Korea
and Taiwan
•
100V/50Hz is used mostly in Eastern Japan and 100V/60Hz in Western Japan
•
230V/50Hz is used mostly in Europe, the Middle East, Africa and the Far East
General Precautions for Rack-Mountable Products
Please pay careful attention to the following precautions concerning rack stability and safety. Systems are considered
to be components in a rack. Thus, a component refers to any system, as well as to various peripherals or supporting
hardware.
CAUTION:
Installing systems in a rack without the front and side stabilizers installed could cause the
rack to tip over, potentially resulting in serious injury. After installing system/components in a rack,
never pull more than one component out of the rack on its slide assemblies at one time. The weight of
more than one extended component could cause the rack to tip over and may result in serious injury.
•
Before working on the rack, make sure that the stabilizers are secured to the rack, extended to the floor, and
that the full weight of the rack rests on the floor. Install front and side stabilizers on a single rack or front
stabilizers for joined multiple racks before working on the rack.
•
Always load the rack from the bottom up, and load the heaviest item in the rack first.
•
Make sure that the rack is level and stable before extending a component from the rack.
•
Use caution when pressing the component rail release latches and sliding a component into or out of a rack;
the slide rails can pinch your fingers.
•
After a component is inserted into the rack, carefully extend the rail into a locking position, and then slide the
component into the rack.
•
Do not overload the AC supply branch circuit that provides power to the rack. The total rack load should not
exceed 80 percent of the branch circuit rating.
•
Ensure that proper airflow is provided to components in the rack.
•
Do not step on or stand on any component when servicing other components in a rack.
CAUTION:
Never defeat the ground conductor or operate the equipment in the absence of a suitably
installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if
uncertain that suitable grounding is available.
CAUTION:
The system chassis must be positively grounded to the rack cabinet frame. Do not
attempt to connect power to the system until grounding cables are connected. Completed power and
safety ground wiring must be inspected by a qualified electrical inspector. An energy hazard will exist
if the safety ground cable is omitted or disconnected.