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3com Switch 5500-EI 52-Port

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2. 3Com Global Services offers the resources and talents of a major corporation plus more than two decades of experience in resolving network challenges and delivering business benefits to enterprises around the world Global support with a personalized focus in the local language helps drive productivity and minimize expenses Because 3Com understands both the technology and the business we re the partner you need to maintain your competitive edge and remain strong Suggested Service Support and Training Offerings Network Health Check An activity auditing service focused on improving network performance and productivity Includes traffic monitoring utilization analysis problem identification and asset deployment recommendations Extensive report provides blueprint for action Network Installation and Experts set up and configure equipment and integrate technologies to Implementation Services maximize functionality and minimize business disruption For large and complex sites implementation services include personalized configuration project management extended testing and coaching on network administration Project Management Provides extra focus and resources that special projects demand 3Com engineers manage entire process from initial specifications to post project review Using structured methodology requirements are identified projects planned and progress of implementation activities tracked 3Com Guardian Mai
3. 25 52 port 44 years 385 000 hours 52 port PWR 21 years 184 000 hours 28 port 53 years 464 000 hours 28 port PWR 30 years 263 000 hours 28 port FX 38 years 332 000 hours INDUSTRY STANDARDS SUPPORTED Ethernet Protocols 802 1D STP IEEE 802 1p CoS 802 1Q VLANs 802 15 MSTP IEEE 802 1v Protocol VLANs IEEE 802 1w RSTP IEEE 802 1X Security IEEE 802 3 Ethernet IEEE 802 3ab 1000BASE T IEEE 802 3ad Link Aggregation IEEE 802 3af Power over Ethernet IEEE 802 3ah Ethernet in First Mile over Point to Point Fiber EFMF IEEE 802 3i 10BASE T IEEE 802 3u 100BASE TX FX IEEE 802 3x Flow Control IEEE 802 3z 1000BASE X Management including MIBs Supported REC 768 UDP REC 783 TFTP RFC 791 IP RFC 792 ICMP RFC 793 TCP RFC 826 ARP RFC 1058 Routing Information Protocol RFC 1112 IP Multicasting RFC 1157 SNMP RFC 1213 MIB II RFC 1253 OSPF v2 RFC 1583 OSPF v2 REC 1587 OSPF NSSA Option RFC 1724 RIP v2 MIB Extension RFC 1757 RMON RFC 1812 Requirements for IPv4 Routers RFC 1850 RFC 1901 RFC 1902 RFC 1903 gt OSPF v2 Community Based SNMP v2 SMI for SNMP v2 SNMP v2 Text Conventions REC 1904 SNMP v2 Conformance RFC 1905 SNMP v2 Protocol Operations RFC 1906 SNMP v2 Transport Mappings 1907 1908 2021 2154 2233 2236 2328 2338 RF
4. 3Com Switch 5500 EI 52 Port 3CR17162 91 3Com Switch 5500 El PWR 28 Port 3CR17171 91 3Com Switch 5500 PWR 52 Port 3CR17172 91 3Com Switch 5500 El 28 Port FX 3CR17181 91 Gigabit SFP Transceivers 3Com 1000BASE SX SFP 3CSFP91 3Com 1000BASE LX SFP 3CSFP92 3Com 1000BASE T SFP 3CSFP93 3Com 1000BASE LH SFP 3CSFP97 Fast Ethernet SFP Transceivers 3Com 100BASE FX SFP 3CSFP81 3Com 100BASE LX10 SFP 3CSFP82 3Com 100BASE BX10 D SFP 3CSFP85 3Com 100BASE BX10 U SFP 3CSFP86 3Com Global Services 3Com Network Health Check Installation Services and Express Maintenance www 3com com services_quote 3Com University Courses www 3com com 3comu Only for use with Switch 5500 EI 28 Port FX 3CR17181 91 Visit www 3com com for more information about 3Com secure converged network solutions 3Com Corporation Corporate Headquarters 350 Campus Drive Marlborough MA 01752 3064 3Com is publicly traded on NASDAQ under the symbol COMS Copyright 2008 3Com Corporation All rights reserved 3Com the 3Com logo and XRN are registered trademarks TippingPoint and VCX are trademarks and Guardian and Express are service marks of 3Com Corporation All other company and product names may be trademarks of their respective companies While every effort is made to ensure the information given is accurate 3Com does not accept liability for any errors or mistakes which may arise All specifications are subject to change without notice 400907 021 04 08
5. management interface IP address configuration Remote Monitoring RMON groups statistics history alarm and events DHCP server including options 60 82 and 184 Supports multiple software images and bank swap stored in non volatile memory Configuration conversion tool for migration from Switch 3300 4200 and 4400 to Switch 5500 1 to 1 port mirroring Ability to apply ACL to mirror port and forward only certain traffic types Many to 1 port mirroring VLAN to 1 port mirroring Remote port mirroring Detailed alarm and debug information Front panel indicators for port and unit status information Supports ping remote ping and traceroute Configuration file for backup and restore stored in non volatile memory multiple configuration files available Backup and restore of software images Network Time Protocol NTP DHCP Relay and UDP Helper System file transfer mechanisms Xmodem FTP Trivial FTP TFTP Secure FTP SFTP 3COM SWITCH 5500 10 100 FAMILY SPECIFICATIONS CONTINUED 3Com management applications 3Com Enterprise Management Suite for flexible extensible management in advanced enterprise IT environ ments 3Com Network Director for comprehensive turn key network management for the enterprise 3Com Network Supervisor for basic turn key network management for mid market businesses 3Com Network Access Manager for 802 1X and RADA integration with IAS Active Directory 3Com Switch Ma
6. 90 days of telephone technical support Refer to www 3com com warranty for details REDUNDANT POWER SYSTEM 3Com has tested and qualified a Redundant Power System RPS solution designed for the Switch 5500 family by Eaton Powerware Corporation a leading global provider of power quality and management solutions The Powerware DC RPS systems come in either 3RU or 6RU form factors delivering up to 9 000W of DC power to a stack of Switch 5500 units The 3RU RPS unit houses up to three hot swappable rectifiers supplying up to 4 500W of power that supports up to eight separately fused DC outputs while the 6RU unit can house up to six hot swappable rectifiers provisioning a total of 9 000W The RPS supports SNMP management including MIB II which is easily accessible through the built in RJ 45 or serial port It is fully compatible with the IEEE 802 3af Power over Ethernet standard providing supple mental power for the 3Com Switch 5500 PWR models With this RPS all 384 10 100 ports on a stack of eight Switch 5500 PWR 52 port units can receive the industry standard 15 4W of power per port with N 1 power redundancy The RPS ships with the power input fully configured and can be connected to a UPS with battery backup For more details refer to www 3com com rps 3COM SWITCH 5500 10 100 FAMILY ORDERING PRODUCT DESCRIPTION 3COM SKU 3Com Switch 5500 EI 28 Port 3CR17161 91 INFORMATION
7. C 2362 PIM SM REC 2570 SNMP v3 Framework REC 2571 FrameWork REC 2571 2575 SNMP REC 2576 SNMP v1 2 3 Coexistence REC 2578 SMI v2 Structure 2579 SMI v2 Text Conventions REC 2580 SMI v2 Conformance Se SS SNMP v2c SNMP 1 2 Coexistence RMON II Probe Config OSPF Digital Signatures Interfaces IGMP v2 OSPF v2 VRRP RFC 2613 Remote Network Monitoring MIB Extensions RFC 2618 RADIUS Authentication Client RFC 2620 RADIUS Accounting Client RFC 2644 Restricted Directed Broadcast RFC 2665 Pause Control 2674 VLAN MIB Extension REC 2819 RMON groups Alarm Event History and Statistics only REC 2819 RMON REC 3410 Management Framework REC 3414 SNMP v3 USM REC 3415 SNMP v3 VACM REC 3416 SNMP Protocol Operations v2 REC 3417 SNMP Transport Mappings SNMP v3 and RMON REC support EMISSIONS AGENCY APPROVALS CISPR 22 Class A FCC Part 15 Class A EN 55022 1998 Class A EN 61000 3 2 2000 61000 3 3 ICES 003 Class A VCCI Class A IMMUNITY EN 55024 SAFETY AGENCY CERTIFICATIONS UL 60950 TEC 60950 1 EN 60950 1 CAN CSA C22 2 No 60950 1 03 WARRANTY AND OTHER SERVICES Limited Lifetime Hardware Warranty including fans and power supply Limited Software Warranty for 90 days Advance Hardware Replacement with Next Business Day shipment in most regions Limited Lifetime software updates
8. N stacking technology and IEEE 802 3af Power over Ethernet Provides high resiliency and continuous availability with active load sharing and support for ultra fast failover recovery Implements multilayer distributed security including ACLs DES 56 168 bitt encryption IEEE 802 1X network login and RADA authentication Prioritizes converged network traffic with advanced CoS QoS and other features to ensure high levels of service for latency sensitive applications Leverages existing power schemes in data centers and switching infrastructures with built in support for both AC and DC power Consolidates administrative control and enhances core to edge visibility with an operating system shared with 3Com modular switches and routers Offers a fiber model for increased security and infrastructure flexibility Backed by top flight service support and training from 3Com and 3Com authorized partners t 168 bit encryption not available in all countries Refer to www 3com com for details 3COM SWITCH 5500 10 100 FAMILY 3COM SWITCH 5500 FAMILY IN AN ENTERPRISE CAMPUS NETWORK NUS oe g Nire gt Ethernet Fast Ethernet Gigabit Ethernet 10 Gigabit Ethernet Power over Ethernet PoE a Link Aggregation LAG 3COM SWITCH 5500 10 100 FAMILY PRODUCT WARRANTY AND OTHER SERVICES Warranty 3Com Limited Lifetim
9. ation over the entire network as well as edge to core visibility and control when using 3Com management applications such as 3Com Enterprise Management Suite and 3Com Network Director FUTURE PROOF INVESTMENT Standards based switching and management features provide a net working solution that maximizes IT investment and supports emerging standards Comprehensive IPv6 management features as well as IPv6 traffic filtering and classification prepares your network for this next generation IPv6 version while maintaining full compatibility with today s more common IPv4 WORLD CLASS SERVICE SUPPORT AND TRAINING The 3Com Switch 5500 is backed by 3Com and its authorized partners Professional customer service organizations offer assessment installation management and maintenance support for network infrastructures Skilled personnel with experience in a variety of network environments can assist 3Com customers through all phases of network planning implementation troubleshooting and product training FEATURE HIGHLIGHTS Provides up to 48 10 100 Layer 2 3 4 switched ports per switch and up to 384 10 100 ports per stack Equipped with four additional Gigabit Ethernet ports for stacking or uplinks Can be stacked eight units high or implemented as a distributed stack at multiple locations and managed as a single IP entity Delivers wirespeed and line rate performance on all ports Offers OSPF and multicast routing 3Com XR
10. e Warranty For as long as the original end user owns the product or for five years after 3Com discontinues the sale of the product whichever occurs first Hardware coverage Covers the complete unit including power supply and fan In warranty hardware replacement Advanced Hardware Replacement of hardware for the duration of the warranty In the US 48 contiguous states this is same day ship with next business day delivery when call received before noon Pacific time For Canada Alaska and Hawaii this is same day ship when call received before noon Pacific time For the rest of the world it is next business day ship Actual delivery times may vary depending on customer location Reasonable commercial efforts apply Software coverage 90 days for media replacement Software updates Access to releases with incremental software features and bug fixes For the Switch 5500 updates are all releases within the licensed 3Com OS software level Online Knowledgebase support Access to online troubleshooting tool for the duration of the warranty These services are not included as part of the Warranty and 3Com reserves the right to modify or cancel this offering at any time without advance notice This offering is not available where prohibited by law Services are effective at warranty start date and are enabled with product registration Customers receive a user ID with eSupport registration SERVICE AND SUPPORT
11. ic prioritization features including advanced policy based Class of Service Quality of Service CoS QoS eight priority queues committed access rates bandwidth limiting and filtering and more identify and optimize delay sensitive traffic such as voice and video To help assure this optimization switches can be configured to automatically isolate voice traffic from 3Com and other IP telephony systems within a voice dedicated VLAN UNIQUE AC DC POWERED OPERATION 3Com Switch 5500 products are the first stackable switches to support multiple power schemes right out of the box with a choice of AC AC and DC or DC operation Select EI models also support IEEE 802 3af PoE enabling power to be injected out to the edge of the network without the need to install additional wires or upgrade existing power supplies An available Redundant Power System can provide supple mental N 1 power across all PoE ports in the system t 168 bit encryption not available in all countries Refer to www 3com com for details 3COM SWITCH 5500 10 100 FAMILY KEY BENEFITS CONTINUED POWERFUL UNIFIED MANAGEMENT The 3Com Operating System employed in the Switch 5500 is the same powerful software used in other 3Com enterprise stackable switches as well as in the 3Com Switch 8800 and Switch 7700 modular switch families and the Router 6000 5000 and 3000 families This makes for an easy mix and match of networking technologies with consolidated administr
12. king for prioritization of VoIP traffic Application rate limiting and blocking on ingress Port based traffic shaping on egress IEEE 802 3af Power over Ethernet standards compliant PWR models POE PWR MODELS ONLY IEEE 802 3af PoE injection into Cat5 or 5e LAN wiring 300 W total max Supports all standard and most common pre standard phones access points and other PoE devices from selected vendors Cisco Nortel Philips Siemens Avaya NEC Polycom Pingtel Proxim et al Available standards based supplemental power system enables full 15 4 W to all PoE ports in a switch or stack SECURITY IEEE 802 1X Network login user authentication Local RADIUS or TACACS server authentication PAP CHAP EAP over LAN EAPoL EAP TLS TTLS and PEAP Automatic port assignment of VLANs ACLs and QoS profile based on user Multiple users per port 1 024 users per fabric Guest VLAN option Multiple authentication server realm definitions RADIUS TACACS session accounting RADIUS Authenticated Device Access RADA authenticate devices based on MAC address against RADIUS server or local database assign VLAN ID and ACL through RADIUS Combined MAC and IEEE 802 1X authentication on same port DHCP Tracker DHCP snooping including DHCP Trust Wirespeed packet filtering in hardware ACLs filter at Layers 2 3 and 4 Source destination MAC address Ethernet type Source destination IP address Source destination TCP port So
13. mic 1K static 32 IP interfaces Routing Information Protocol RIP vl and v2 2K routes Open Shortest Path First OSPF 2 areas with 4 virtual interfaces per area 2 neighbors per virtual interface 2 virtual links Protocol Independent Multicast Dense Mode PIM DM Protocol Independent Multicast Sparse Mode PIM SM IGMP vl and v2 Equal Cost Multipath Protocol ECMP Multicast VLAN Registration MVR DHCP Relay 4 K max 3Com XRN Technology Resilient stacking and fabric links up to 70 km 43 5 mi Distributed Link Aggregation hot swappable switch units high speed fully resilient trunks up to 8 Gbps Distributed Resilient Routing optimized Layer 3 one routing table per switch Virtual Router Redundancy Protocol VRRP CONVERGENCE 8 hardware queues per port IEEE 802 1p Class of Service Quality of Service CoS QoS on ingress and egress Remarking of packets based on priority Type of Service ToS IEEE 802 1p CoS IP precedence Physical port Source destination MAC address VLAN information Ethertype Source destination IP address Source destination TCP port Source destination UDP port Traffic redirection Time based Access Control Lists ACLs Auto prioritization of voice traffic determined by vendor OUI Weighted Round Robin WRR including WRR SP Strict Priority Queuing SPQ Weighted Random Early Discard WRED DiffServ Code Point Expedited Forwarding DSCP EF remar
14. nager for virtual clustering support across 3Com switch families DIMENSIONS Height 43 6 mm 1 7 in or 1 RU Width 440 0 mm 17 3 in Depth 270 0 mm 10 6 in PWR models 427 0 mm 16 8 in Weight 3 3 kg 7 3 lb PWR models 6 3 kg 13 9 Ib POWER SUPPLY Mode support AC only AC and DC DC only operation Built in DC power stage for direct connection to 48 V supply AC line frequency 50 60 Hz Input voltage 90 240 VAC AC current rating 1 0A max PWR models 7 0A max DC current rating 2 0A max PWR 28 port 12 0A PWR 52 port 19 5A max Power consumption max 28 port non PWR 40 W 52 port non PWR 50 W 28 port PWR 70 W plus up to 300 W for PoE 52 port PWR 80 W plus up to 300 W for PoE 28 port 65 W ENVIRONMENTAL Operating temperature 0 to 40 32 to 104 Operating altitude 0 to 4 572 meters 0 to 15 000 feet Storage temperature 40 to 70 40 to 158 F Humidity operating and storage 10 to 95 non condensing Standard EN 60068 IEC 68 Sound pressure level dBA 52 port 46 5 decibels 52 port PWR 46 3 decibels 28 port 40 1 decibels 28 port PWR 47 3 decibels 28 port FX 51 3 decibels Heat dissipation 28 port non PWR 140 BTU hour 52 port non PWR 175 BTU hour 28 port PWR 245 BTU hour excludes heat from PoE 52 port PWR 275 BTU hour excludes heat from PoE 28 port FX 225 BTU hour RELIABILITY MTBF
15. ntenance Service This service provides comprehensive on site support and includes advance hardware replacement telephone technical support and software upgrades 3Com Express Maintenance Service This service provides speedy access to 3Com shipment of advance hardware replacements software upgrades and telephone support 3Com University Self paced and instructor led technology and product courses plus certification programs 3COM SWITCH 5500 10 100 FAMILY SPECIFICATIONS All information in this section is relevant to all members of the 3Com Switch 5500 10 100 family unless otherwise stated CONNECTORS 52 port models 48 auto negotiating 1OBASE T 100BASE TX ports configured as auto MDI MDIX IEEE 802 3af in line power for PWR models 4 Gigabit SFP ports 28 port non FX models 24 auto negotiating IOBASE T 100BASE TX ports configured as auto MDI MDIX IEEE 802 3af in line power for PWR models 4 Gigabit SFP ports 28 port FX 24 SFP ports to be populated with 100BASE X SFP multi or single mode transceivers 2 auto negotiating 1OBASE T 100BASE TX 1000BASE T ports configured as auto MDI MDIX 2 Gigabit SFP ports PERFORMANCE 52 port 17 6 Gbps switching capacity max 13 1 Mpps forwarding rate max 28 port 12 8 Gbps switching capacity max 9 5 Mpps forwarding rate max All models Switch fabric bandwidth 32 Gbps Wirespeed performance across all ports within stack or fabric Store and fo
16. or DATA SHEET Premium stackable 10 100 switches deliver maximum security convergence features and intelligence required by the most demanding advanced enterprise networks 3Com Switch 5500 10 100 Family OVERVIEW The 3Com Switch 5500 10 100 Family delivers premium levels of performance security and reliability for robust switching at the enterprise network edge The family consists of Layer 2 3 4 Fast Ethernet and Power over Ethernet switches with advanced features that can accommodate the most demanding applications offering resilient and secure connectivity and the latest traffic prioritization technologies to optimize applications on converged networks Designed for maximum flexibility and scalability 3Com Switch 5500 models come with 24 or 48 10 100 ports plus four active SFP based Gigabit Ethernet ports for stacking and uplinks The switches can be stacked up to eight units high in one location or they can be distributed over several sites up to 70 km 43 5 miles apart and connected via Gigabit links to form a virtual stack One stack can provide up to 384 Fast Ethernet ports and may be managed centrally as a single IP entity Each stack offers chassis like availability and resiliency over traditional aggregated trunk configurations with patented 3Com eXpandable Resilient Networking stacking technology Further expansion is possible via clustered stacking technology allowing single IP managemen
17. routing intelligence and network loads eliminating the wasted bandwidth and added expense of a passive standby unit Ultra fast failover recovery automatically redistributes traffic among the other active units in case a switch becomes disconnected or fails MULTILAYER SECURITY The Switch 5500 family provides integrated and distributed security enforcement that can be managed from a central location Access control lists ACLs help protect network resources from unauthorized access and data corruption User based authentication and DES 56 168 bit encryption help secure Layer 3 protocols and management controls such as SSH v2 and SNMP IEEE 802 1X RADIUS TACACS network login and RADIUS Authenticated Device Access RADA enforce access control at the network edge FLEXIBLE SECURE FIBER CONNECTIONS The Switch 5500 EI FX is ideally suited for applications where security is of paramount importance or where long cable runs are required This switch provides connections on fiber infrastructures that are almost impervious to electronic eavesdropping because they use optical transmission The switch uses 100BASE X SFP transceivers for its 24 100 MB connections providing the flexibility of running any mix of 100 multimode fiber up to 2 km 1 2 miles or 100BASE LX10 single mode fiber up to 10 km 6 2 miles The Switch 5500 EI FX supports all the advanced EI features PRIORITY FOR CONVERGED BUSINESS TRAFFIC Next generation traff
18. rward switching latency 10 us 2 Gbps full duplex stacking bandwidth LAYER 2 SWITCHING 16K MAC addresses in address table 256 Static MAC addresses in addition to default address Jumbo Frame support 4 094 port based IEEE 802 1Q VLANs IEEE 802 1 Q in Q double tagged VLANs IEEE 802 1v protocol based VLANs MAC based VLANs using RADA auto VLAN assignment Auto voice VLAN IEEE 802 3ad Link Aggregation Control Protocol LACP automated and manual aggregation Link aggregation trunk groups per switch 26 52 port 14 28 port 810 100 ports or 8 SFP ports per group 8 Distributed Link Aggregation DLA groups Auto negotiation and manual configuration of port speed and duplex IEEE 802 3x full duplex flow control Back pressure flow control for half duplex Unidirectional Link Detection UDLD Broadcast Multicast and Unicast traffic suppression Wake on LAN support IEEE 802 1D Spanning Tree Protocol STP IEEE 802 1w Rapid Spanning Tree Protocol RSTP IEEE 802 1s Multiple Spanning Tree Protocol MSTP Bridge Protocol Data Unit BPDU protection Spanning Tree root guard Internet Group Management Protocol IGMP v1 2 and 3 snooping IGMP querier Filtering for 256 multicast groups Dynamic Host Configuration Protocol Relay DHCP Option 82 LAYER 3 SWITCHING Hardware based routing 256 static routes in addition to default address Address Resolution Protocol ARP entries 4K dyna
19. t for up to 32 devices from different 3Com switch families including the Switch 5500G EI 5500 EI 4500G and 4200G KEY BENEFITS ENTERPRISE LEVEL PERFORMANCE 3Com Switch 5500 10 100 devices provide switching capacity of up to 17 6 Gbps for 52 port models and 12 8 Gbps for 28 port models Wirespeed and line rate performance is delivered on all ports within the stack Advanced Layer 3 routing including OSPF PIM SM PIM DM and RIP v1 v2 helps deliver optimal performance and system response These switches have Enhanced Image EI software which offers Enterprise class switching features including more MAC addresses static routes and IP interfaces greater number of virtual LANs VLANs extended port mirroring Layer 3 OSPF and multicast routing enhanced resiliency via 3Com XRN stacking technology and IEEE 802 3af Power over Ethernet PoE support from top 3Com Switch 5500 EI 28 Port FX Switch 5500 EI 52 Port Switch 5500 EI 28 Port Switch 5500 El PWR 52 Port Switch 5500 El PWR 28 Port 3COM SWITCH 5500 10 100 FAMILY KEY BENEFITS CONTINUED HIGH AVAILABILITY FOR CRITICAL APPLICATIONS XRN technology a 3Com innovation enables multiple interconnected and stackable Layer 3 switches to be managed as a single entity Stack and switching fabric setup is automated and provides a high level of resiliency and continuous availability without adding to network complexity After configuration all switches actively share
20. urce destination UDP port User defined ACL filters VLAN based ACLs Port based MAC address Disconnect Unknown Device DUD ARP inspection and IP source guard Proxy ARP IEEE 802 1X or user authentication of switch management on Telnet and console sessions 5 cipher text and clear text authentication for OSPF v2 and RIP v2 packets and SNMP v3 traffic Hierarchical management and password protection for management interface and encrypted traffic with SNMP v3 and SSH v2 4 local user access privilege levels Trusted management station IP and or MAC address STACKING Up to 400 user ports including up to 384 10 100 ports Single IP address and management interfaces for stack wide control Hot swappable resilient stacking Distributed stacking over standard media with links up to 70 km 43 5 mi Distributed Resilient Routing with router tables in all units no master slave arrangement Combine any Switch 5500 EI models into a single stack up to 8 high when using XRN technology Clustered stacking technology single IP management for up to 32 devices from different 3Com switch families including Switch 5500G EI 5500 4500G and 4200G MANAGEMENT CLI via console or Telnet Embedded web management interface System configuration with SNMP v1 2c and 3 Comprehensive statistics including ACL QoS and IP interface Syslog IPv6 management including pingv6 tracertv6 Telnetv6 TFTPv6 DNSv6 and ARPv6 IPv6

3com Switch 5500-EI 52-Port

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