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Catalyst 4500 E-Series Switches Installation Guide
OL-13972-01
Chapter 1 Product Overview
Switch Features
A more detailed discussion of power redundancy is in the Environmental Monitoring and Power
Management chapter of the software configuration guide. Refer to the appropriate guide for your
software release.
Catalyst 4503-E Switch Features
The Catalyst 4503-E switch (see Figure 1-1) is a three-slot switch designed for high-performance
high-density wiring closet applications.
Figure 1-1 Catalyst 4503-E Switch (Front View)
The Catalyst 4503-E switch supports the Supervisor Engine II+, Supervisor Engine II+TS, Supervisor
Engine II+10GE, Supervisor Engine IV, Supervisor Engine V, Supervisor Engine V-10GE, and
Supervisor Engine 6-E. The supervisor engine has a nonblocking, full-duplex, switching fabric that
provides connections between the supervisor engine and the switching modules. Some supervisor
engines use SFP modules for Gigabit Ethernet connections, or X2 modules for 10-Gigabit Ethernet
connections. Refer to the installation note for your supervisor engine for more details on these modules.
Slot 1 is reserved for the supervisor engine only, which provides switching, local and remote
management, and switch-status monitoring. Slots
2 and 3 are available for switching modules. The
chassis will support up to 24 Gbps per slot for slots 2 and 3, for a maximum of 116 ports with a
Supervisor Engine II+TS, or 96 ports and 2 uplinks for other supervisors.
1 Fan assembly 3 Supervisor engine (Slot 1)
2 Switching modules (Slots 2 and 3) 4 Power supplies
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