3COM Super stack 3 5500-EI , 48Ports 10/100TX , 4 Ports ComboGiga Copper or SFP

Features & Benefits

Premium Stackable Fast Ethernet Switching for Advanced Edge Applications
The 3Com Switch 5500-EI 52-Port is a premium stackable 10/100 switch with Enhanced Image (EI) software for businesses running the most demanding network applications requiring the highest "five 9s" network uptime.

48-ports operate at 10/100 while four additional SFP-based ports operate at Gigabit speeds.

The Switch 5500-EI supports distributed, resilient 3Com XRN® Stacking Technology and advanced Layer 3 (RIP / OSPF) routing, Layer 2-4 QoS, and rate limiting features.

This switch provides extensive security features—SNMP v3, SSH, network login—and resilient hot-swap stacking for simplified management and monitoring.

All 3Com Switch 5500 products share the same operating system as our premium modular switches and routers, including the 3Com Switch 8800 and 7700. This permits you to manage an entire distributed switching and routing infrastructure from a single CLI or SNMP management platform such as 3Com Enterprise Management Suite or 3Com Network Director.

3COM Super stack 3 5500-EI , 24Ports 10/100TX , 4 Ports ComboGiga Copper or SFP

Features & Benefits

Premium Stackable Fast Ethernet Switching for Advanced Edge Applications
The 3Com Switch 5500-EI 28-Port is a premium stackable 10/100 switch with Enhanced Image (EI) software for businesses running the most demanding network applications requiring the highest "five 9s": network uptime.

24-ports operate at 10/100 while four additional SFP-based ports operate at Gigabit speeds.

The Switch 5500-EI supports distributed, resilient 3Com XRN® Stacking Technology and advanced Layer 3 (RIP / OSPF) routing, Layer 2-4 QoS, and rate limiting features.

This switch provides extensive security features—SNMP v3, SSH, network login—and resilient hot-swap stacking for simplified management and monitoring.

All 3Com Switch 5500 products share the same operating system as our premium modular switches and routers, including the 3Com Switch 8800 and 7700. This permits you to manage an entire distributed switching and routing infrastructure from a single CLI or SNMP management platform such as 3Com Enterprise Management Suite or 3Com Network Director.

3COM Super stack 3 4500 , 48Ports 10/100TX , 2 Ports 1GB Copper fixed,2 SFP

Features & Benefits

Intelligent and Secure Voice-Ready Edge Connectivity
The 3Com® Switch 4500 family of managed, stackable/clusterable 10/100 Ethernet switches provides secure, flexible LAN connectivity and advanced voice-optimized features such as Power over Ethernet (PoE) and auto-voice VLAN and QoS.

The Switch 4500 family offers Layer 2 switching and dynamic Layer 3 routing, as well as robust security, Quality of Service (QoS) and management features to deliver intelligent edge connectivity for essential business applications. This makes the Switch 4500 ideal for medium businesses and small enterprises seeking to build a secure converged network.

This switch comes with a limited lifetime warranty. Also provided is Advance Hardware Replacement, with next business day shipment available in most regions.

Flexible and Scalable
The 3Com Switch 4500 50-Port has 48 10/100 ports and two dual-personality Gigabit ports. Each Gigabit port offers a choice of copper or fiber media: 1000BASE-T (via RJ45) or 1000BASE-X (via optional "SFP" Small Form-Factor Pluggable transceivers).

Stack this switch eight-high with other Switch 4500 devices and manage as a single IP addresss, or cluster as many as 32 mixed devices including Switch 5500G, 5500, 4500G, 4500, 4200G and 4210.

Dynamic Voice over IP
Unique auto-voice VLAN feature detects the presence of IP phones and dynamically assigns switch ports to the voice VLAN, enabling automated configuration and prioritization of VoIP traffic. This powerful feature helps ensure voice traffic quality, and minimizes the cost and complexity associated with adding or moving IP phones.

Advanced Security
Enterprise-class security features include IEEE 802.1X network login, SSH/SSL encrypted device login, Access Control Lists and RADIUS Authenticated Device Access (RADA), protecting mission-critical business applications.

3COM Super stack 3 4500 , 24Ports 10/100TX , 2 Ports 1GB Copper fixed,2 SFP

Features & Benefits

Intelligent and Secure Voice-Ready Edge Connectivity
The 3Com® Switch 4500 family of managed, stackable/clusterable 10/100 Ethernet switches provides secure, flexible LAN connectivity and advanced voice-optimized features such as Power over Ethernet (PoE) and auto-voice VLAN and QoS.

The Switch 4500 family offers Layer 2 switching and dynamic Layer 3 routing, as well as robust security, Quality of Service (QoS) and management features to deliver intelligent edge connectivity for essential business applications. This makes the Switch 4500 ideal for medium businesses and small enterprises seeking to build a secure converged network.

This switch comes with a limited lifetime warranty. Also provided is Advance Hardware Replacement, with next business day shipment available in most regions.

Flexible and Scalable
The 3Com Switch 4500 26-Port has 24 10/100 ports and two dual-personality Gigabit ports. Each Gigabit port offers a choice of copper or fiber media: 1000BASE-T (via RJ45) or 1000BASE-X (via optional "SFP" Small Form-Factor Pluggable transceivers).

Stack this switch eight-high with other Switch 4500 devices and manage as a single IP addresss, or cluster as many as 32 mixed devices including Switch 5500G, 5500, 4500G, 4500, 4200G and 4210.

Dynamic Voice over IP
Unique auto-voice VLAN feature detects the presence of IP phones and dynamically assigns switch ports to the voice VLAN, enabling automated configuration and prioritization of VoIP traffic. This powerful feature helps ensure voice traffic quality, and minimizes the cost and complexity associated with adding or moving IP phones.

Advanced Security
Enterprise-class security features include IEEE 802.1X network login, SSH/SSL encrypted device login, Access Control Lists and RADIUS Authenticated Device Access (RADA), protecting mission-critical business applications.

3COM Super Stack 3 4210 ,48Ports 10/100TX , 2 Ports 1GB Copper fixed,2 SFP

Features & Benefits

Fully-Managed Layer 2, 10/100 Switching with Enterprise-Class Features
The 3Com® Switch 4210 is a Layer 2 entry-level 10/100 LAN switch with enterprise-class QoS, security and management features, delivering high value for network administrators looking for an economical edge device that provides simple port expansion.

Setting them apart from lower-end "smart managed" devices, the Switch 4210 supports an industry-standard Command Line Interface (CLI), Web-based administration, and SNMP management.

Cluster together up to 32 devices for easy administration, with single IP management across 3Com switching lines— with mixed clusters of Switch 4210, 4200G, 4500G, 5500 and 5500G devices.

This switch has four total Gigabit uplinks; two 10/100/1000 Mbps copper ports and two 100 or 1000 Mbps ports over fiber cabling using SFP mini-GBIC technology.

The Switch 4210 comes with 3Com's limited lifetime warranty covering the unit, power supply and fan; Advanced Hardware Replacement with next business day shipment is available in most regions.

3COM Super Stack 3 4210 ,24Ports 10/100TX , 2 Ports 1GB Copper fixed,2 SFP

	Features & Benefits Fully-Managed Layer 2, 10/100 Switching with Enterprise-Class Features The 3Com® Switch 4210 is a Layer 2 entry-level 10/100 LAN switch with enterprise-class QoS, security and management features, delivering high value for network administrators looking for an economical edge device that provides simple port expansion. Setting them apart from lower-end "smart managed" devices, the Switch 4210 supports an industry-standard Command Line Interface (CLI), Web-based administration, and SNMP management. Cluster together up to 32 devices for easy administration, with single IP management across 3Com switching lines— with mixed clusters of Switch 4210, 4200G, 4500G, 5500 and 5500G devices. This switch has Gigabit uplinks; its combination ports can run in one of two modes: 10/100/1000 Mbps connections over copper Ethernet cabling, or 100 or 1000 Mbps over fiber cabling using SFP mini-GBIC technology. The Switch 4210 comes with 3Com's limited lifetime warranty covering the unit, power supply and fan; Advanced Hardware Replacement with next business day shipment is available in most regions.

3COM Super stack 3 4250T , 48Ports 10/100TX , 2 Ports 1GB Copper

Features & Benefits

Affordable, Fixed-Configuration 10/100 Switching
For copper-wired Ethernet networks that need premium switching performance without the complexity and high price, the 3Com® Switch 4200 50-Port is an innovative, yet eminently practical solution.

This 50-port Ethernet switch combines wirespeed Layer 2 switching with easy installation and exceptional reliability. Forty-eight autosensing 10/100 copper ports provide flexible desktop and workgroup attachments, while two autosensing 10/100/1000 copper uplink ports enable Gigabit Ethernet backbone and server connections.

Resiliency features such as Rapid Spanning Tree Protocol and link aggregation (for the 10/100/1000 ports) help ensure uptime. Built-in Gigabit ports can be used as uplinks or for stacking with a mix of other Switch 4200 28-, 26-, or 50-port units.

3COM Super stack 3 4228G, 24Ports 10/100TX, 2 Ports 1GB Copper Fixed & 2 SFP

Features & Benefits

Affordable, Flexible 10/100 Switching
For copper-wired Ethernet networks that need premium switching performance and the flexibility of Fiber or Copper Gigabit uplinks (via fixed 10/100/1000 or SFP ports) without the complexity and high price, the 3Com® Switch 4200 28 Port is an innovative, yet very practical solution.

This 28-port Ethernet switch combines wirespeed Layer 2 switching with easy installation and exceptional reliability. Twenty-four autosensing 10/100 copper ports provide flexible desktop and workgroup attachments, while two autosensing 10/100/1000 copper uplink ports support stacking or Gigabit connections, and two flexible SFP expansion slots enable an additional choice of fiber or copper Gigabit Ethernet backbone and server connections.

Resiliency features such as Rapid Spanning Tree Protocol and link aggregation (for the 10/100/1000 ports) help ensure uptime. Built-in Gigabit ports can be used as uplinks or for stacking with a mix of other Switch 28-, 26- or 50-Port units. Up to four units can be stacked for maximum scalability.

3COM Super Stack 3 4226T ,24Ports 10/100TX , 2 Ports 1GB Copper

Features & Benefits

Affordable, Fixed-Configuration 10/100 Switching
For copper-wired Ethernet networks that need premium switching performance without the complexity and high price, the 3Com® Switch 4200 26-Port is an innovative, yet eminently practical solution.

This 26-port Ethernet switch combines wirespeed Layer 2 switching with easy installation and exceptional reliability. Twenty-four autosensing 10/100 copper ports provide flexible desktop and workgroup attachments, while two autosensing 10/100/1000 copper uplink ports enable Gigabit Ethernet backbone and server connections.

Resiliency features such as Rapid Spanning Tree Protocol and link aggregation (for the 10/100/1000 ports) help ensure uptime. Built-in Gigabit ports can be used as uplinks or for stacking with a mix of other Switch 4200 26-, 28-, and 50-Port units.

48-Port L3 10/100Mbps Managed Switch with 2-port Copper Gigabit & 2 Combo Copper/SFP Gigabit Ports

For the SMB requiring a cost effective core switching solution, as well as for larger Enterprise and Metropolitan Service Providers (MSP) environments needing a managed, feature rich switch capable of uplinking to backbone switches, the xStack DES-3852 is designed to meet the needs of the most demanding departmental and enterprise connectivity applications. The D-Link xStack DES-3852 Switch is a fully managed Layer 3 switch that provides (48) 10/100Mbps Fast Ethernet ports and (2) Combo SFP/1000BASE-T Gigabit Ethernet uplinks. In addition, (2) fixed 1000BASE-T ports in the back-panel can provide a dedicated trunk connection between devices or core switches. The xStack DES-3852 also provides virtual stacking functionality via D-Link SIM technology allowing up to 32 units to be managed via a single IP address. With support for Q-in-Q Double VLAN tagging, IPv6 aware*, Dynamic Layer 3 Routing, IEEE802.1s, and bandwidth control, the xStack DES-3852 incorporates advanced features suitable for the MSP as well as the SMB and Enterprise size network.