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Catalyst 4000 Series LAN Switches



The Cisco Catalyst® 4000 series offers high-performance, medium-density 10/100/1000-megabit per second Ethernet modular switching platform for the wiring closet and data center

The Catalyst 4000 series provides an advanced high-performance enterprise switching solution optimized  for wiring closets with up to 96 users and data center server environments that require up to 36 Gigabit Ethernet ports. The Catalyst 4000 series provides intelligent Layer 2 services  leveraging a multiGigabit architecture for 10/100/1000-megabit Ethernet switching. The modular three-slot Catalyst 4003 system leverages the software code base from the industry-leading Catalyst 5500/5000 series in order to provide the rich and proven feature set that customers demand in the wiring closet for true end-to-end enterprise networking solutions.

New High-Performance Architecture for Today and Tomorrow

Up to 96 10/100 Ethernet ports, or up to 36 Gigabit Ethernet ports, can be installed into one managed unit. Performance is a blazingly fast 18 million packets-per-second (pps) throughput, with a 24 gigabit bandwidth switching fabric. You can easily evolve to Gigabit Ethernet, either now or in the future, by using flexible, hot-swappable GBIC (GigaBit Interface Converter) modules, available for either 1000Base-SX (multimode) or 1000Base-LX/LH (single mode or multimode) modules. This cost-effective protection allows you to easily change the port media-optics on a port-by-port basis without needing to replace an entire module. The Catalyst 4000 series provides the bandwidth and scalability to grow and meet the throughput and network response times of even the most demanding client and server host systems.

Modular Chassis

The Catalyst 4000 series Ethernet switches are available in a chassis-based form factor with flexible modular configurations providing a broad range of port densities for 10/100-megabits to 1000-megabit speeds. The Catalyst 4003 chassis offers:

Configuration Flexibility and Modular Superiority

The Catalyst 4003 offers a comprehensive, scalable suite of 10/100/1000-megabit Ethernet switch modules that deliver hot-swappable, plug-and-play enterprise intelligence today, while providing easy growth and flexible protection to keep pace with increasing network demands tomorrow. Four different Catalyst 4000 series modules are available, which can be mixed and matched to suit a wide range of wiring closet or data center applications. All Gigabit Ethernet ports can be 1000BASE-SX or 1000BASE-LX/LH by using flexible, hot-swappable GBIC modules. The Catalyst 4000 series supports the following switching modules:

so intrabuilding multimode connections can be intermixed with long-distance campus single mode connections. All ports can utilize Gigabit EtherChannel for high-speed interconnection applications.

Catalyst 4003 Port Density Configuration Ranges

The Catalyst 4003, fully loaded, will support one supervisor engine and two switching modules. The supervisor engine, which is included with the chassis, is required in slot one. The Catalyst 4003 will support a wide variety of useful configurations for both the midrange wiring closet (up to 96 Fast Ethernet) and the data center server farms (for example: 36 Gigabit Ethernet server connections). In table 1, each column indicates a potential port configuration option for the Catalyst 4003.

Proven Catalyst Enterprise Software

Today's wiring closets require advanced support of emerging application requirements for tighter interactions with Layer 3 core routers and multilayer distribution switches. Catalyst 4000 series workgroup switching delivers consistent high-end enterprise features by supporting the same feature set as the industry-leading Catalyst 5500/5000 series software. Developed from a heritage of proven, award-winning Catalyst enterprise end-to-end solutions, the Catalyst 4003 delivers market-leading, midrange performance and intelligent application integration.

Scalability and Resiliency

Evolving to Gigabit Ethernet, either now or in the future, is easy because of the modular chassis flexibility and the variety of module speed mixes. The Catalyst 4000 series is designed to meet customer needs ranging from affordable bandwidth segmentation to multi-Gigabit performance with Gigabit Ethernet uplinks and the ability to scale up to 8 Gbps for each Gigabit EtherChannel logical link. In addition, the Catalyst 4003 will meet requirements for device redundancy, link resiliency, and network availability, providing dedicated bandwidth directly to individual users, as well as servers, printers, and high-speed connections to company data centers.

Redundant Power

To ensure reliable, fault-tolerant network operations, the Catalyst 4003 supports redundant, load-sharing power supplies. Port redundancy is supported with Spanning Tree Protocol enhancements UplinkFast and PortFast. Link redundancy is supported with Fast EtherChannel and Gigabit EtherChannel, ensuring that mission-critical links to routers, switches, and servers are available following a failure.

High-Speed Server Farm Connections

Catalyst 4003 switching system is a cost-effective enterprise 10/100/1000 Ethernet switch targeted primarily at medium-density Layer 2 wiring closets. In addition, the Catalyst 4003 can be configured as a Gigabit Ethernet switch for network server farm applications---up to 36 connections.

Standards Based

The Catalyst 4000 series supports industry-standard IEEE 802.3 Ethernet plus IEEE 802.3u 10BaseT, 100BaseTX, and IEEE 802.3z 1000Base-X enabling seamless integration into any existing Ethernet environment. Shared media networks can be improved immediately, benefiting from switched segmentation, allowing dedicated bandwidth to be allocated from 10 Mbps up to 1000 Mbps per user, thus eliminating the network delays and wiring closet meltdowns common in growing networks.

Number of 10/100 Ethernet ports 96 80 64 48 48 48 32 32 32 0 0 0 0 0
+ + + + + + + + + + + + + +
Number of Gigabit Ethernet ports 0 2 4 0 6 18 2 8 20 6 12 18 24 36

Technical Specifications for the Catalyst 4000 Series


Table 2 Gigabit Ethernet Link Distances
Fiber Core: 62.5um Multimode 50um Multimode 9/10um Singlemode
Fiber Modal Bandwidth 160/500 MHz-km 200/500 MHz-km 400/400 MHz-km 500/500 MHz-km NA
1000BASE-SX 220m 275m 500m 550m NA
1000BASE-LX/LH1 550m 550m 550m 550m 10km

Standard Network Protocols

Network Management

EtherChannel®

Y2K

Memory Specifications

Supervisor Engine Module

48-Port 10/100 Ethernet Module

32-Port 10/100 Ethernet Plus 2-Port Gigabit Ethernet Module

6-Port Gigabit Ethernet Module

18-Port Gigabit Ethernet Module

Power Supply Indicators and Interfaces

Chassis Physical Specifications

Power Requirements

Environmental Conditions

Safety Certifications

Electromagnetic Emissions Certifications

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