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INSTALLING THE SWITCH 7750
The following sections describe how to prepare and install the components of the
Switch 7750:
■ Preparing to Install
■ General Site Requirements
■ Installation Checklist
■ Installing the Chassis
■ Installing the Cabling Rack
■ Installing a Module
■ Installing a Submodule
■ Connecting the Ground Wire
■ Connecting and Configuring Power
■ Installing the Fan Assembly
■ Installing Cables
■ Connecting Module Cables
■ Post-installation Checklist
WARNING: Only trained and qualified personnel should install and maintain
3Com products.
Preparing to Install This section provides guidelines for preparing your site and switch for installation.
General Safety
Recommendations
Before installing your switch, note the following safety recommendations:
■ Switch off the power supply before connecting the cables.
■ Keep the switch away from heat sources.
■ To ensure normal heat dissipation, do not stack switches.
■ Do not keep the switch in a damp place, and prevent liquid from getting into
the switch.
■ Ensure that the neutral point of the power is grounded properly, to avoid
personal injury.
■ Ensure that the power is off before plugging or unplugging the modules and
cables of the switch.
■ Before moving the chassis, disconnect all the power cords and external cables.
■ To avoid damage to the switch, connect all the cables correctly. Never connect
telephone cables (including the ISDN lines) to the console or AUX port.