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

    only trained and qualified personnel should be allowed to install, replace, or service this equipment. statement 1030

    this equipment must be grounded. 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 you are uncertain that suitable grounding is available. statement 1024

    class 1 laser product. statement 1008

    if you will be using your switch as a poe source, the following warning applies:

    voltages that present a shock hazard can exist on inline power circuits if interconnections are made by using uninsulated exposed metal contacts,conductors, or terminals. avoid using such interconnection methods unless the exposed metal parts are in a restricted access location and users and service people who are authorized to access the 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

    this chapter describes how to prepare your site for the installation of the switch.

    the information is presented in these sections:

    1 electrostatic discharge.

    2 site power requirements and heat dissipation.

    3 power connection guidelines for ac-powered systems.

    4 site-planning checklist.

    see the site-planning checklist at the end of this chapter to help ensure that you complete all site-planning activities before you install the switch.