The Catalyst 3508G XL eight-port stackable Gigabit Ethernet switch is a member of the Cisco Systems Catalyst 3500 Series XL, a scalable line of stackable 10/100 and Gigabit Ethernet switches that delivers excellent performance, manageability, and flexibility. The Catalyst 3508G XL switch features eight Gigabit Interface Converter (GBIC)-based 1000Base-X ports and a 10-Gbps switching fabric. These features make this switch ideal for either high-speed wiring closet stack aggregation or a distribution layer Gigabit Ethernet aggregation switch. The Catalyst 3508G XL aggregates a group of 10/100 and Gigabit Ethernet switches and Gigabit Ethernet servers through Cisco GigaStack

The Catalyst 3512 switches are members of the Cisco Systems Catalyst 3500 series XL, a scalable line of stackable 10/100 and Gigabit Ethernet switches that delivers premium performance, manageability, and flexibility with unparalleled investment protection. With a 10-Gbps switching fabric and a maximum 6.5-million-packet-per second, wire-speed forwarding rate, these switches are ideal for creating high-performance local-area networks.The Catalyst 3512 XL switch has 12 10/100 switched ports and two Gigabit Interface Converter (GBIC)-based Gigabit Ethernet ports. The built-in Gigabit Ethernet ports accommodate a range of GBIC transceivers, including the Cisco GigaStack GBIC, and 1000BaseSX and 1000BaseLX/LH GBICs. The Catalyst 3512 XL is ideal for desktop connectivity and aggregating a group of Catalyst 2900 series XL or Catalyst 1900 switches. The 12-port Catalyst 3512 XL offers low port density at a low entry price. This model uses the standard software.

The Catalyst 3512 switches are members of the Cisco Systems Catalyst 3500 series XL, a scalable line of stackable 10/100 and Gigabit Ethernet switches that delivers premium performance, manageability, and flexibility with unparalleled investment protection. With a 10-Gbps switching fabric and a maximum 6.5-million-packet-per second, wire-speed forwarding rate, these switches are ideal for creating high-performance local-area networks. The Catalyst 3512 XL switch has 12 10/100 switched ports and two Gigabit Interface Converter (GBIC)-based Gigabit Ethernet ports. The built-in Gigabit Ethernet ports accommodate a range of GBIC transceivers, including the Cisco GigaStack GBIC, and 1000BaseSX and 1000BaseLX/LH GBICs. The Catalyst 3512 XL is ideal for desktop connectivity and aggregating a group of Catalyst 2900 series XL or Catalyst 1900 switches. This model includes the enterprise edition software

The Catalyst

The Catalyst 3524 XL switch is the member of the Cisco Systems Catalyst 3500 series XL, a scalable line of stackable 10/100 and Gigabit Ethernet switches that delivers premium performance, manageability, and flexibility with unparalleled investment protection. With a 10-Gbps switching fabric and a maximum 6.5-million-packet-per second, wire-speed forwarding rate, these switches are ideal for creating high-performance local-area networks. Cisco Catalyst 3500 series XL Standard Edition switches include several exceptional features to increase network performance, manageability and security. The command switch feature delivers single-IP managed Cisco Switch Clustering technology to up to 16 interconnected Catalyst 3500 XL, 2900 XL, and Catalyst 1900 switches. Cisco Group Management Protocol (CGMP) enhances performance of multimedia applications and reduces network traffic by allowing a switch to selectively and dynamically forward IP multicast traffic to targeted end stations. This model uses the standard software.

The Catalyst 3524 XL switch is the member of the Cisco Systems Catalyst 3500 series XL, a scalable line of stackable 10/100 and Gigabit Ethernet switches that delivers premium performance, manageability, and flexibility with unparalleled investment protection. With a 10-Gbps switching fabric and a maximum 6.5-million-packet-per second, wire-speed forwarding rate, these switches are ideal for creating high-performance local-area networks. Cisco Catalyst 3500 series XL Standard Edition switches include several exceptional features to increase network performance, manageability and security. The command switch feature delivers single-IP managed Cisco Switch Clustering technology to up to 16 interconnected Catalyst 3500 XL, 2900 XL, and Catalyst 1900 switches. Cisco Group Management Protocol (CGMP) enhances performance of multimedia applications and reduces network traffic by allowing a switch to selectively and dynamically forward IP multicast traffic to targeted end stations. This model uses the enterprise edition software.

The Catalyst 3548 XL switch is a member of the Cisco Systems Catalyst 3500 series XL, a scalable line of stackable 10/100 and Gigabit Ethernet switches that delivers premium performance, manageability, and flexibility with unparalleled investment protection. The 3548 XL offers customers tremendous benefits through Gigabit Ethernet-based configuration options, the new Cisco Switch Clustering multidevice management architecture, and integrated IP voice and telephony support. The Catalyst 3548 XL has 48 10/100 ports and two GBIC-based Gigabit Ethernet ports. The built-in Gigabit Ethernet ports accommodate a range of GBIC transceivers, including the Cisco GigaStack GBIC, and 1000BaseSX, 1000BaseLX/LH and 1000BaseZX GBICs. The dual GBIC-based Gigabit Ethernet implementation provides customers tremendous deployment flexibility - allowing customers to implement one type of stacking and uplink configuration today, while preserving the option to migrate that configuration in the future. This model uses the standard software

The Catalyst 3548 XL switch is a member of the Cisco Systems Catalyst 3500 series XL, a scalable line of stackable 10/100 and Gigabit Ethernet switches that delivers premium performance, manageability, and flexibility with unparalleled investment protection. The 3548 XL offers customers tremendous benefits through Gigabit Ethernet-based configuration options, the new Cisco Switch Clustering multidevice management architecture, and integrated IP voice and telephony support. The Catalyst 3548 XL has 48 10/100 ports and two GBIC-based Gigabit Ethernet ports. The built-in Gigabit Ethernet ports accommodate a range of GBIC transceivers, including the Cisco GigaStack GBIC, and 1000BaseSX, 1000BaseLX/LH and 1000BaseZX GBICs. The dual GBIC-based Gigabit Ethernet implementation provides customers tremendous deployment flexibility - allowing customers to implement one type of stacking and uplink configuration today, while preserving the option to migrate that configuration in the future. This model uses the enterprise edition software.

The Cisco Catalyst 3550 12G is a member of the Catalyst 3550 Series Intelligent Ethernet Switches, a line of enterprise-class, stackable, multilayer switches that provide high availability, security and quality of service (QoS) to enhance the operation of the network. With a range of Fast Ethernet and Gigabit Ethernet configurations, the Catalyst 3550 Series can serve as both a powerful access layer switch for medium enterprise wiring closets and as a backbone switch for mid-sized networks. For the first time, customers can deploy network-wide intelligent services, such as advanced quality of service (QoS), rate-limiting, Cisco security access control lists, multicast management, and high-performance IP routing-while maintaining the simplicity of traditional LAN switching. Available for the Catalyst 3550 Series, the Cisco Network Assistant is a free centralized management application that simplifies the administration task of Cisco switches, routers, and wireless access point. Cisco Network Assistant offers user-friendly GUI interface to easily configure, troubleshoot, and enable and monitor the network. The Catalyst 3550 12G switch provides: 10 GBIC-based Gigabit Ethernet ports and 2 10/100/1000 ports 1.5 rack unit (RU) stackable, multilayer Gigabit Ethernet switch Delivers full dynamic IP routing and intelligent services to the network edge Enhanced Multilayer Software Image (EMI) installed Ideal for stack aggregation, server aggregation, mini-POP aggregation, or small network cores and backbones

The Cisco Catalyst 3550 12T is a member of the Catalyst 3550 Series Intelligent Ethernet Switches, a line of enterprise-class, stackable, multilayer switches that provide high availability, security and quality of service (QoS) to enhance the operation of the network. With a range of Fast Ethernet and Gigabit Ethernet configurations, the Catalyst 3550 Series can serve as both a powerful access layer switch for medium enterprise wiring closets and as a backbone switch for mid-sized networks. For the first time, customers can deploy network-wide intelligent services, such as advanced quality of service (QoS), rate-limiting, Cisco security access control lists, multicast management, and high-performance IP routing-while maintaining the simplicity of traditional LAN switching. Available for the Catalyst 3550 Series, the Cisco Network Assistant is a free centralized management application that simplifies the administration task of Cisco switches, routers, and wireless access point. Cisco Network Assistant offers user-friendly GUI interface to easily configure, troubleshoot, and enable and monitor the network. The Catalyst 3550 12T switch provides: 10 10/100/1000 ports and 2 GBIC-based Gigabit Ethernet ports 1.5 rack unit (RU) stackable, multilayer Gigabit Ethernet switch Delivers full dynamic IP routing and intelligent services to the network edge Enhanced Multilayer Software Image (EMI) installed Ideal for stack aggregation, server aggregation, mini-POP aggregation, or small network cores and backbones

The Cisco Catalyst 3550 24 DC is a member of the Catalyst 3550 Series Intelligent Ethernet Switches, a line of enterprise-class, stackable, multilayer switches that provide high availability, security and quality of service (QoS) to enhance the operation of the network. With a range of Fast Ethernet and Gigabit Ethernet configurations, the Catalyst 3550 Series can serve as both a powerful access layer switch for medium enterprise wiring closets and as a backbone switch for mid-sized networks. For the first time, customers can deploy network-wide intelligent services, such as advanced quality of service (QoS), rate-limiting, Cisco security access control lists, multicast management, and high-performance IP routing

The Cisco Catalyst 3550 24 EMI is a member of the Catalyst 3550 Series Intelligent Ethernet Switches, a line of enterprise-class, stackable, multilayer switches that provide high availability, security and quality of service (QoS) to enhance the operation of the network. With a range of Fast Ethernet and Gigabit Ethernet configurations, the Catalyst 3550 Series can serve as both a powerful access layer switch for medium enterprise wiring closets and as a backbone switch for mid-sized networks. For the first time, customers can deploy network-wide intelligent services, such as advanced quality of service (QoS), rate-limiting, Cisco security access control lists, multicast management, and high-performance IP routing-while maintaining the simplicity of traditional LAN switching. Available for the Catalyst 3550 Series, the Cisco Network Assistant is a free centralized management application that simplifies the administration task of Cisco switches, routers, and wireless access point. Cisco Network Assistant offers user-friendly GUI interface to easily configure, troubleshoot, and enable and monitor the network. The Catalyst 3550 24 EMI provides: 24 10/100 ports and 2 GBIC-based Gigabit Ethernet ports 1 rack unit (RU) stackable multilayer switch with full dynamic IP routing Delivers intelligent services Enhanced Multilayer Software Image (EMI) installed

The Cisco Catalyst 3550 24 FX is a member of the Catalyst 3550 Series Intelligent Ethernet Switches, a line of enterprise-class, stackable, multilayer switches that provide high availability, security and quality of service (QoS) to enhance the operation of the network. With a range of Fast Ethernet and Gigabit Ethernet configurations, the Catalyst 3550 Series can serve as both a powerful access layer switch for medium enterprise wiring closets, as a backbone switch for mid-sized networks, and also for the edge of metro access networks. For the first time, customers can deploy network-wide intelligent services, such as advanced quality of service (QoS), rate-limiting, Cisco security access control lists, multicast management, and high-performance IP routing--while maintaining the simplicity of traditional LAN switching. Available for the Catalyst 3550 Series, the Cisco Network Assistant is a free centralized management application that simplifies the administration task of Cisco switches, routers, and wireless access point. Cisco Network Assistant offers user-friendly GUI interface to easily configure, troubleshoot, and enable and monitor the network. The Catalyst 3550 24 FX SMI provides: 24 100BASE-FX multimode fiber ports and 2 GBIC-based Gigabit Ethernet ports 1 rack unit (RU) stackable, multilayer switch upgradeable to full dynamic IP routing Standard Multilayer Software Image (SMI) installed, upgradeable to Enhanced Standard Multilayer Software Image (EMI) Ideal for access and distribution layer connectivity

The Cisco Catalyst 3550 24 SMI is a member of the Catalyst 3550 Series Intelligent Ethernet Switches, a line of enterprise-class, stackable, multilayer switches that provide high availability, security and quality of service (QoS) to enhance the operation of the network. With a range of Fast Ethernet and Gigabit Ethernet configurations, the Catalyst 3550 Series can serve as both a powerful access layer switch for medium enterprise wiring closets, as a backbone switch for mid-sized networks, and also for the edge of metro access networks. For the first time, customers can deploy network-wide intelligent services, such as advanced quality of service (QoS), rate-limiting, Cisco security access control lists, multicast management, and high-performance IP routing-while maintaining the simplicity of traditional LAN switching. Available for the Catalyst 3550 Series, the Cisco Network Assistant is a free centralized management application that simplifies the administration task of Cisco switches, routers, and wireless access point. Cisco Network Assistant offers user-friendly GUI interface to easily configure, troubleshoot, and enable and monitor the network. The Catalyst 3550 24 SMI provides: 24 10/100 ports and 2 GBIC-based Gigabit Ethernet ports 1 rack unit (RU) stackable, multilayer switch upgradeable to full dynamic IP routing Delivers intelligent services Standard Multilayer Software Image (SMI) installed, upgradeable to Enhanced Standard Multilayer Software Image (EMI) Ideal for access and distribution layer connectivity

The Cisco Catalyst 3550-24 PWR inline power switch is a stackable, multilayer, 24-port 10/100 switch with 2 Gigabit Interface Converter (GBIC)-based Gigabit Ethernet ports ideal for integrated voice, video, and data applications. With integrated inline power, customers can power Cisco IP phones and Cisco Aironet wireless LAN access points directly from the switch and lower the total cost of ownership (TCO) by: Centralizing power provisioning Easing deployment by eliminating the need for wall power to each device Eliminating the need for additional, separate wiring to power devices The Catalyst 3550-24 PWR switch possesses all of the advanced Layer 2-4 intelligent services available in the Catalyst 3550 Series. Customers can deploy high-performance IP routing, advanced quality of service (QoS), granular rate-limiting, enhanced network security, and multicast management network-wide-while maintaining the simplicity of traditional LAN switching. With a range of Fast Ethernet and Gigabit Ethernet configurations, the Catalyst 3550 Series can serve as both a powerful access layer switch for medium enterprise wiring closets, as a backbone switch for mid-sized networks, and also for the edge of metro access networks. The Catalyst 3550-24 PWR is installed with either the Standard Multilayer Software Image (SMI) or the Enhanced Multilayer Software Image (EMI). The SMI feature set includes advanced QoS, rate-limiting, access control lists (ACLs), and basic static and RIP routing functionality. The EMI provides a richer set of enterprise-class services including advanced hardware-based IP unicast and multicast routing and the Web Cache Communication Protocol (WCCP). Switches installed with SMI have the flexibility to upgrade to EMI with the Enhanced Multilayer Software Image upgrade kit (CD-3550-EMI=). The Catalyst 3550-24 PWR provides: 24 10/100 ports and 2 1000BASE-X Gigabit Ethernet ports 1 RU stackable, multilayer switch; integrated inline power Delivers enterprise-class intelligent services to the network edge SMI installed, upgradeable to EMI with full, dynamic IP routing Ideal for access and distribution layer connectivity Part numbers: WS-C3550-24PWR-SMI, WS-C3550-24PWR-EMI