Cisco Catalyst 4503 Ethernet Switch - WS-C4503

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Product Overview

The Cisco Catalyst 4500 Series offers non-blocking Layer2/3/4 switching with integrated resiliency, further enhancing control of converged networks. Converged voice/video/data networks with high availability enable business resiliency for enterprise and metropolitan (metro) Ethernet customers deploying Internet-based business applications.

A key component of Cisco AVVID (Architecture for Voice, Video and Integrated Data), the Cisco Catalyst 4500 extends control to wiring closets, branch offices and layer 3 distribution points with intelligent network services. These services include sophisticated quality of service (QoS), predictable performance, advanced security, comprehensive management and integrated resiliency. The same intelligence and control enables business services aggregation and subscriber access in the metropolitan area for network operators and service providers.


Manufacturer Cisco
Mfg Part# WS-C4503
SKU 202907496
UPC 746320735504
UPC 14 00746320735504
Product Type Ethernet Switch / Ethernet Switch
Manageable Yes / Yes
Number of Total Expansion Slots 3 / 3
Height 12.3" / 12.3"
Width 17.3" / 17.3"
Depth 12.5" / 12.5"
Expansion Slot Type Supervisor Engine / Supervisor Engine
Product Series 4500 / 4500
Brand Name Cisco / Cisco
Manufacturer Cisco Systems, Inc / Cisco Systems, Inc
Product Model 4503 / 4503
Product Name Catalyst 4503 Ethernet Switch / Catalyst 4503 Ethernet Switch
Product Line Catalyst / Catalyst
Manufacturer Part Number WS-C4503 / WS-C4503
Limited Warranty 90 Day / 90 Day
Weight (Approximate) 75 lb / 75 lb
Tech Specs
Altitude -196.84 ft to 13123.41 ft Operating
Humidity 10% to 90% Non-condensing Relative Humidity
Temperature 32°F (0°C) to 104°F (40°C) Operating / -40°F (-40°C) to 167°F (75°C) Storage
Product Type Ethernet Switch
Manufacturer Part Number WS-C4503
Manufacturer Website Address
Manufacturer Cisco Systems, Inc
Product Model 4503
Product Name Catalyst 4503 Ethernet Switch
Product Line Catalyst
Product Series 4500
Brand Name Cisco
Expansion Slots (1 Total) Supervisor Engine / (2 Total) Expansion Slot
Number of Expansion Slots 3
Additional Information Item Included: Catalyst 4000 Series Blank Slot Cover (C4K-SLOT-CVR) -19-in. rack and cable guide hardware included Supervisor engines supported: Supervisor II Supervisor III Supervisor IV
Certifications & Standards Safety: UL 60950CAN/CSA-C22.2 No. 60950EN 60950IEC 60950TS 001AS/NZS 3260 EMC: FCC Part 15 (CFR 47) Class A ICES-003 Class A EN55022 Class A CISPR22 Class A AS/NZS 3548 Class A VCCI Class A EN 55022EN 55024 EN 61000-6-1 EN 50082-1 EN 61000-3-2 EN 61000-3-3 ETS 300 386 Industry EMC, Safety and Environmental Standards: GR-63-Core NEBS Level 3 GR-1089-Core Level 3 ETS 300 019 Storage Class 1.1 ETS 300 019 Transportation Class 2.3 (Pending) ETS 300 019 Stationary Use Class 3.1 ETS 300 386 Telecom (E1): CTR 12/13 CTR 4 ACA TS016 Telecom (T1): FCC Part 68 Canada CS-03 JATE Green Book Ethernet: IEEE 802.3, 10BASE-T Fast Ethernet: IEEE 802.3u, 100BASE-TX IEEE 802.3, 100BASE-FX Gigabit Ethernet: IEEE 802.3z IEEE 802.3x IEEE 802.3ab 1000BASE-X (GBIC) 1000BASE-SX 1000BASE-LX/LH 1000BASE-ZX Virtual LAN (VLAN) trunking/tagging: IEEE 802.1Q Spanning-Tree Protocol: IEEE 802.1D IEEE 802.1w IEEE 802.1s Security: IEEE 802.1x
System Requirements Minimum software requirement: Supervisor Engine II: Cisco CatOS Software Version 7.4(1) or higher Supervisor Engine III: Cisco IOS Software Version 12.1(12c)EW or higher Supervisor Engine IV: Cisco IOS Software Version 12.1(12c)EW or higher
Dimensions 12.25" Height x 17.31" Width x 12.50" Depth
Weight (Approximate) 75 lb
Power Source Power Supply
Redundant Power Supply Yes
Protocols VTP / TFTP / BootP
Management SNMP MIB
Manageable Yes
Standard Warranty 90 Day Limited
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