If you're looking for a new switch, consider the next-generation Catalyst 4500E with Supervisor 8-E. It enables converged wired-wireless access to support BYOD & mobility. It also offers a variety of performance, security, & operational enhancements versus previous generations of switches. Deploy Unified Access with a Modular Access Switch Accelerate business growth & improve efficiency. Cisco Catalyst 4500E Series Switches are the foundation for Cisco Enterprise Networks & the industry's most widely deployed modular platform for campus access & distribution deployments. Now with Supervisor 8-E, the Cisco Catalyst 4500E Switch helps enable the Cisco Unified Access solution with wired & wireless convergence.

Features:- 48 ports nonblocking 10/100/1000 module (RJ-45) Cisco IOS XE Release 3.2.0SG or later UPOE: capable of up to 60 W per port up to 1440 W Energy Efficient Ethernet 802.3az IEEE 802.3af/at & Cisco prestandard Po E, IEEE 802.3x flow control IEEE 802.1AE & Cisco Trust Sec capability in hardware L2-4 Jumbo Frame support (up to 9216 bytes) Capable of up to 30 W of inline power per port on all ports simultaneously Enterprise & commercial: designed to power next-generation IP phones, wireless base stations, video cameras, virtual desktop clients, & other Po E/UPOE devices Campus & branch applications requiring enhanced performance for large file transfers & network backups

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24 gigabits per slot capacity 48 ports 10/100/1000 module (RJ-45) Bandwidth is allocated across eight 6-port groups, providing 3 Gbps per port group (2:1)L2-4 jumbo frame support (up to 9216 bytes) Enterprise campus, commercial collapsed core & branch applications requiring enhanced performance for large file transfers & network backups ...

The Catalyst 4500 Series with Center Flex technology provides scalable nonblocking Layer 2-4 switching with Secure, Flexible, Non-Stop communications, enabling business resilience for enterprises, small & medium-sized businesses (SMBs), & Metro Ethernet customers deploying business-critical applications. Center Flex technology is the technology enabled by the Supervisor 6-E centralized ASICs, which deliver the highest centralized performance & configuration flexibility in the industry. Center Flex technology enables granular optimization of real-time voice, video & data communication, maximizing performance & enhancing end user experience. The new "E-Series" with Center Flex technology is designed with unprecedented backward & forward compatibility delivering exceptional investment protection & deployment flexibility to meet the evolving needs of organizations of all sizes. The Cisco Catalyst 4500 Series

Includes:: two series of Catalyst chassis: the E-Series & Classic Series chassis. Catalyst 4500 E-Series chassis are extremely flexible & will support both 6 Gbps & 24 Gbps per line card slot. Integrated resiliency in both hardware & software minimizes network downtime, helping to ensure workforce productivity, profitability, & customer success. The Cisco Catalyst 4500 Series extends control to the network edge with intelligent network services, including sophisticated quality of service (Qo S), predictable performance, advanced security, comprehensive management, & integrated resiliency. Scalability of these intelligent network services is made possible with dedicated specialized resources known as ternary content addressable memory (TCAM). Ample TCAM resources (up to 384, 000 entries) enable "high feature capacity, " which provides wire-speed routing/switching performance independent of provisioning of services such as Qo S & security. This helps ensure scalability for todays network requirements with ample room for future growth. With unprecedented forward & backward compatibility spanning multiple generations, the Catalyst 4500 Series reduces the cost of ownership by minimizing recurring operational expenses, improving return on investment (ROI).

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The Catalyst 4500 Series with Center Flex technology provides scalable nonblocking Layer 2-4 switching with Secure, Flexible, Non-Stop communications, enabling business resilience for enterprises, small & medium-sized businesses (SMBs), and Metro Ethernet customers deploying business-critical applications. Center Flex technology is the technology enabled by the Supervisor 6-E centralized ASICs, which deliver the highest centralized performance & configuration flexibility in the industry. Center Flex technology enables granular optimization of real-time voice, video & data communication, maximizing performance & enhancing end user experience. The new "E-Series" with Center Flex technology is designed with unprecedented backward & forward compatibility delivering exceptional investment protection & deployment flexibility to meet the evolving needs of organizations of all sizes. The Cisco Catalyst 4500 Series

Includes:: two series of Catalyst chassis:the E-Series & Classic Series chassis. Catalyst 4500 E-Series chassis are extremely flexible & will support both 6 Gbps & 24 Gbps per line card slot. Integrated resiliency in both hardware & software minimizes network downtime, helping to ensure workforce productivity, profitability, and customer success. The Cisco Catalyst 4500 Series extends control to the network edge with intelligent network services, including sophisticated quality of service (Qo S), predictable performance, advanced security, comprehensive management, and integrated resiliency. Scalability of these intelligent network services is made possible with dedicated specialized resources known as ternary content addressable memory (TCAM). Ample TCAM resources (up to 384, 000 entries) enable "high feature capacity, which provides wire-speed routing/switching performance independent of provisioning of services such as Qo S & security. This helps ensure scalability for today's network requirements with ample room for future growth. With unprecedented forward & backward compatibility spanning multiple generations, the Catalyst 4500 Series reduces the cost of ownership by minimizing recurring operational expenses, improving return on investment (ROI).

Specification Device Type Switch Enclosure Type Rack-mountable 10U Power Redundancy Yes



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The Cisco Catalyst 4500 series provides scalable, nonblocking Layer 2-4 switching with secure, flexible, nonstop communications, enabling business resilience for enterprises, small & medium-sized businesses (SMBs), and Metro Ethernet customers deploying business-critical applications. The Catalyst 4500 series has a centralized forwarding architecture that simplifies operations & management & helps enable collaboration & virtualization. With compatibility spanning multiple generations, the Catalyst 4500 E-series provides exceptional investment protection & deployment flexibility to meet the evolving needs of organizations of all sizes. The Catalyst 4500 E-series platform has 10 Gbps uplinks & supports Power over Ethernet Plus (Po EP) to help power collaboration devices. The Cisco Catalyst 4500 series extends control to the network edge with intelligent network services, including sophisticated quality of service (Qo S), predictable performance, advanced security, comprehensive management, and integrated resiliency. Scalability of these intelligent network services is made possible with dedicated, specialized resources known as ternary content addressable memory (TCAM). Ample TCAM resources enable "high feature capacity", which provides wire-speed routing/switching performance independent of provisioning of services such as Qo S & security. This helps ensure scalability for today's network requirements with ample room for future growth. The Cisco Catalyst 4500 E-series provides a common architecture that can scale up to 388 ports. The Cisco Catalyst 4510R+E offers high availability in supporting 1+1 redundant supervisor engines with failover time & full image In Service Software Upgrades (ISSU). The Catalyst 4500-E series enhances the Cisco commitment to affordable enterprise & branch scalability. It provides a cost-effective, flexible network solution that scales to meet high-performance needs with investment protection. ...

Cisco is the worldwide leader in networking for the Internet. Cisco provides the broadest line of solutions for transporting data, voice & video within buildings, across campuses, or around the world. Cisco solutions ensure that networks both public & private operate with maximum performance, security, & flexibility. ...

The Cisco Catalyst 4948 is a wire-speed, low-latency, Layer 2-4, 1-rack-unit (1 RU) fixed-configuration switch for rack-optimized server switching. Based on the proven Cisco Catalyst 4500 Series hardware & software architecture, the Cisco Catalyst 4948 Series offers exceptional performance & reliability for low density, multilayer aggregation of high performance servers & workstations. The Cisco Catalyst 4948 offers 48 ports of wire-speed 10/100/1000BASE-T with 4 alternative wired ports that can accommodate optional 1000BASE-X Small Form-Factor Pluggable (SFP) optics. Exceptional reliability & serviceability are delivered with optional internal AC or DC 1 + 1 hot-swappable power supplies & a hot-swappable fan tray with redundant fans. Please note: networking components such as switches, routers & wireless devices require that speeds & standards be consistent throughout the network to gain optimum performance. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com. ...

The Cisco Catalyst 4948 is a wire-speed, low-latency, Layer 2-4, 1-rack-unit (1 RU) fixed-configuration switch for rack-optimized server switching. Based on the proven Cisco Catalyst 4500 Series hardware & software architecture, the Cisco Catalyst 4948 Series offers exceptional performance & reliability for low density, multilayer aggregation of high performance servers & workstations. The Cisco Catalyst 4948 offers 48 ports of wire-speed 10/100/1000BASE-T with 4 alternative wired ports that can accommodate optional 1000BASE-X Small Form-Factor Pluggable (SFP) optics. Exceptional reliability & serviceability are delivered with optional internal AC or DC 1 + 1 hot-swappable power supplies & a hot-swappable fan tray with redundant fans. Please note: networking components such as switches, routers & wireless devices require that speeds & standards be consistent throughout the network to gain optimum performance. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com. ...

10 Gigabit Ethernet Switching for High-Performance, Rack-Optimized Server Switching Cisco Systems announces the Cisco Catalyst 4948-10GE, a low-latency, 48-port 10/100/1000, 1-rack unit (RU), fixed-configuration switch with 2 wire-speed 10 Gigabit Ethernet uplinks for rack-optimized server switching applications. The Cisco Catalyst 4948-10GE (Figure 1) offers exceptional performance & reliability for Layer 2 & Layer 3 server switching deployments for enterprise customers. The Cisco Catalyst 4948-10GE can be ordered immediately with first customer shipment (FCS) expected on March 8, 2005. Normal new product lead time (four weeks) will apply initially. Primary hardware features include: • Wire-speed performance for 10/100/1000 connectivity & wire-speed 10 Gigabit Ethernet uplinks –136-Gbps switching fabric with 102-Mpps forwarding rate for Layer 2 through 4 • Power-supply redundancy for nonstop operation –1+1 redundant hot-swappable internal AC or DC power supplies • Robust Security – Prevention of man-in-the-middle & IP-spoofing attacks – Access control lists (ACL) – Secure Shell (SSH) Protocol versions 1 & 2 – Simple Network Management Protocol Version 3 (SNMPv 3) for secure remote access & network management • Comprehensive management – Dedicated 10/100 console port & dedicated 10/100 management port – Remote in-band management through SNMP ...

The Cisco Catalyst 4948E Ethernet Switch is built from the start to deliver class-leading, full-featured server-access switching. The switch offers forty-eight 10/100/1000 Gbps RJ45 downlink ports & four 1/10 Gigabit Ethernet uplink ports & is designed to simplify data center architecture & operations by offering service provider-grade hardware & software in a one Rack Unit (1RU) form factor optimized for full-featured Top-of-Rack (To R) data center deployments. The Cisco Catalyst 4948E, with its advanced multicast support, is optimized for multimedia applications. It supports Protocol Independent Multicast (PIM), Source-Specific Multicast (SSM), & Pragmatic General Multicast (PGM), providing end users with additional scalability to support multimedia applications. Also supported are Internet Group Management Protocol (IGMP) snooping & Multicast Listener Discovery (MLD) snooping in hardware, enhancing performance & reducing network traffic by allowing a switch to dynamically add & remove hosts from a multicast group. The Cisco Catalyst 4948E offers superior per-port Qo S features to help ensure that network traffic is classified, prioritized, & scheduled optimally to efficiently manage bandwidth-intensive multimedia & time-sensitive & mission-critical applications. The Cisco Catalyst 4948E can classify, monitor, & mark incoming packets, allowing the administrator to differentiate traffic flows & enforce policies. Sharing, shaping, & strict-priority configurations determine scheduling of egress traffic. ...