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■ Water or moisture cannot enter the case of the Switch.
■ Air flow is not restricted around the Switch or through the vents in the side of the Switch. 3Com recommends that you provide a minimum of 25mm (1in.) clearance.
■ Air temperature around the Switch does not exceed 40 °C (104 °F).
If the Switch is installed in a
■ The air is as free from dust as possible.
■ The unit is installed in a clean, air conditioned environment.
■ No more than four Switch units are placed on top of one another, if the units are
| ■ The Switch is situated away from sources of conductive (electrical) |
| dust, for example laser printers. |
| ■ The AC supply used by the Switch is separate to that used by units |
| that generate high levels of AC noise, for example air conditioning |
| units and laser printers. |
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| The Switch 4200G is 1 rack unit (1U) high and will fit in most standard |
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| CAUTION: Disconnect all cables from the Switch before continuing. |
| Remove all self adhesive pads from the underside of the Switch if they |
| have been fitted. |
| To |
| 1 Place the Switch the right way up on a hard flat surface, with the front |
| facing towards you. |
| 2 Locate a mounting bracket over the mounting holes on one side of the |
| front of the Switch, as shown in Figure 5. |
You can also rack mount your Switch using the mounting holes at the rear of the Switch.