Cisco Catalyst 4503 Switch | Houston

Network Infrastructure

Cisco Catalyst 4500 Series Switches

Cisco Catalyst 4503 Switch

Cisco 4503 Switch Cost-Effective Modular Switching

The Cisco Catalyst 4503 is a 3-slot switch. It is one of four chassis in the Cisco Cataylst 4500 series, a next-generation platform for intelligent switching. The Catalyst 4500 Series, a primary component of Cisco Service-Oriented Network Architecture (Cisco SONA), extends control to enterprise wiring closets, branch offices, and Layer 3 distribution points.

Features of the Cisco Catalyst 4503 Switch:

Chassis Features

Total Number of Slots	3
Supervisor Engine Slots	1¹
Supervisor Engine Redundancy	No
Line Card Slots	2
Number of Power Supply Bays	2
AC Input Power	Yes
DC Input Power	Yes
Integrated Power over Ethernet	Yes
Minimum Number of Power Supplies	1
Number of Fan Tray Bays 1	1
Location of 19-inch Rack-Mount²	Front
Location of 23-inch Rack-Mount	Front (option)
Supervisor Engines Supported	Supervisor Engine II-Plus, II-Plus-TS, II-Plus-10GE, IV, V, V-10GE

Product Notes

¹ Slot 1 is reserved for supervisor engine only; slots 2 and higher are reserved for line cards.
² Chassis can be mounted in racks and cabinets that meet ANSI/EIA-310-D and ETS 300 119-3.

Note: Supervisor engine slots do not support switching line card modules. Line card slots do not support supervisor engines.

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Cisco 4500 Series Models:

Cisco Catalyst 4510R Switch
Cisco Catalyst 4510R-E Switch
Cisco Catalyst 4507R Switch
Cisco Catalyst 4507R-E Switch
Cisco Catalyst 4506 Switch
Cisco Catalyst 4506-E Switch
Cisco Catalyst 4503 Switch
Cisco Catalyst 4503-E Switch

Additional Resources:

Cisco Catalyst Switch Guide