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Catalyst 4500 E-Series Switches Installation Guide
OL-13972-01
Chapter 1 Product Overview
Fan Assembly
Note EIA/TIA-232 was known as recommended standard RS-232 before its acceptance as a standard by the
Electronic Industries Alliance (EIA) and Telecommunications Industry Association (TIA).
RESET Button
The RESET button is used to restart the switch.
Note Use a paper clip or other small, pointed object to press the Reset button.
Compact Flash Slot
The Compact Flash slot accepts a Type 1 Compact Flash disk. You can use it for file transfer tasks such
as loading a new software image. The Compact Flash card is optional. For more information, refer to
Using the Compact Flash on the Catalyst
4500 Supervisor Engines at the following URL:
http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/hardware/configuration/notes/
OL_2788.html
Fan Assembly
Note For complete environmental specifications, including airflow requirements, see Appendix A,
“Specifications.”
The system fan assembly provides cooling air for the internal chassis components. The fan assembly is
a tray of fans that you can insert and remove from the chassis while the system is on line. The
Catalyst
4503-E fan assembly has two fans and the Catalyst 4506-E fan assembly has four fans, the
Catalyst
4507R-E fan assembly has eight fans, and the Catalyst 4510R-E fan assembly has ten fans. The
fans draw in fresh air from one side and exhaust air on the other side. Catalyst
4506-E airflow is shown
in
Figure 1-12, the others in the series are the same direction.
Caution You must install module filler plates on unused switching module slots to ensure proper airflow.
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