Appendix B: Safety, Regulatory, and Legal Information

Setting up your switch

■Read and follow all instructions marked on the product and in the documentation before you operate your switch. Retain all safety and operating instructions for future use.

■Do not use this product near water or a heat source such as a radiator.

■Set up the switch on a stable work surface.

■The product should be operated only from the type of power source indicated on the rating label.

■If your switch has a voltage selector switch, make sure that the switch is in the correct position for your area. The voltage selector switch is set at the factory to the correct voltage.

■Openings in the case are provided for ventilation. Do not block or cover these openings. Make sure you provide adequate space, at least 6 inches (15 cm), around the system for ventilation when you set up your work area. Never insert objects of any kind into the ventilation openings.

■Some products are equipped with a three-wire power cord to make sure that the product is correctly grounded when in use. The plug on this cord will fit only into a grounding-type outlet. This is a safety feature. If you are unable to insert the plug into an outlet, contact an electrician to install the appropriate outlet.

■If you use an extension cord with this switch, make sure that the total ampere rating on the products plugged into the extension cord does not exceed the extension cord ampere rating.

General precautions for rack-mountable products

Observe the following precautions for rack stability and safety. Also refer to the rack installation documentation accompanying the system and the rack for specific caution statements and procedures.

Systems are considered to be components in a rack. Thus, “component” refers to any system as well as to various peripherals or supporting hardware.

Warning High voltages can enter your computer through both the power cord and the modem connection. Protect your computer by using a surge protector. If you have a telephone modem, use a surge protector that has a modem jack. If you have a cable modem, use a surge protector that has an antenna/cable jack. During an electrical storm, unplug both the surge protector and the modem.

Before working on the rack, make sure that the stabilizers are secured to the rack, extended to the floor, and that the full weight of the rack rests on the floor. Install front and side stabilizers on a single rack or front stabilizers for joined multiple racks before working on the rack.

Always load the rack from the bottom up, and load the heaviest item in the rack first.

Make sure that the rack is level and stable before extending a component from the rack.

Use caution when pressing the component rail release latches and sliding a component into or out of a rack; the slide rails can pinch your fingers.

After a component is inserted into the rack, carefully extend the rail into a locking position, and then slide the component into the rack.

Do not overload the AC supply branch circuit that provides power to the rack. The total rack load should not exceed 80 percent of the branch circuit rating.

Ensure that correct airflow is provided to components in the rack.

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