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
To avoid any device damage and bodily injury caused by improper use, please observe 
the following rules.
Safety Precautions
 
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Keep the power off during the installation.
 
■
Wear an ESD-preventive wrist strap, and make sure that the wrist strap has a good 
 
■
skin contact and is well grounded.
Use only the power cord provided with the switch.
 
■
Make sure  that  the supply  voltage  matches the  specifications indicated  on the rear 
 
■
panel of the switch.
 Ensure the vent hole is well ventilated and unblocked.
 
■
Do not open or remove the cover of the switch.
 
■
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.
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