Chapter 2 Preparing for Installation
Site Requirements
Warning This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock and key, or other means of security. Statement 1017
Warning Voltages that present a shock hazard may exist on Power over Ethernet (PoE) circuits if interconnections are made using uninsulated exposed metal contacts, conductors, or terminals. Avoid using such interconnection methods, unless the exposed metal parts are located within a restricted access location and users and service people who are authorized within the restricted access location are made aware of the hazard. A restricted access area can be accessed only through the use of a special tool, lock and key or other means of security. Statement 1072
Site Requirements
These following sections describe some of the basic site requirements that you should be aware of as you prepare to install your Catalyst 4948E or Catalyst
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•Temperature, page
•Air Flow, page
•Humidity, page
•Altitude, page
•Dust and Particulates, page
•Corrosion, page
•Electromagnetic and Radio Frequency Interference, page
•Shock and Vibration, page
•Maintaining Safety with Electricity, page
•Preventing Electrostatic Discharge Damage, page
Rack-Mounting Guidelines
A
•Racks with obstructions (such as power strips) that could impair access to the switch
Before
•The equipment rack is the proper size.
–The width of the rack, between the two
–The depth of the rack, between the front- and
–The rack must have sufficient vertical clearance to insert the chassis. The chassis height is 1 U (1.75 inches (4.45 cm)).
Catalyst 4948E and Catalyst
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