04
 L2 Managed Switch
Chapter 2  Installation
2.1  Package Contents
Make sure that the package contains the following items. If any of the listed items is 
damaged or missing, please contact your distributor.
One Resource CD
One switch
One Power Cord and one 
Console Cable 
This Installation Guide
Two mounting brackets and 
the ttings
2.2 Safety Precautions
To avoid any device damage and bodily injury caused by improper use, please observe 
the following rules.
 
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Safety Precautions
 
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Keep the power off during the installation.
 
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Wear an ESD-preventive wrist strap, and make sure that the wrist strap has a good 
skin contact and is well grounded.
 
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Use only the power cord provided with the switch.
 
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Make sure that the supply voltage matches the specifications indicated on the rear 
panel of the switch.
 
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 Ensure the vent hole is well ventilated and unblocked.
 
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Do not open or remove the cover of the switch.
 
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Before cleaning the device, cut off the power supply. Do not clean it by the waterish 
cloth, and never use any other liquid cleaning method.
 
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Site Requirements
To ensure normal operation and long service life of the device, please install it in an 
environment that meets the requirements described in the following subsection.
Temperature/Humidity
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L2 Managed Switch
TL-SL3428
Installation