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        3com Switch 5500G-EI 48-Port
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1.     Prioritizes converged network traffic with advanced CoS QoS and other  features to ensure high levels of service for latency sensitive applications       Supports advanced enterprise switching technology including Border  Gateway Protocol  BGP   VLAN VPN  Q in Q  and others       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 an SFP based model with 24 SFP Gigabit ports  four of which are  dual purpose       Backed by top flight service  support and training from 3Com and 3Com  authorized partners         Two of the four SFP ports are capable of supporting Fast Ethernet fiber  via 1000BASE X compatible  SFP transceivers 3CSFP9 81 and 3CSFP9 82     t 168 bit encryption not available in all countries  Refer to www 3com com for details     3Com   Switch 5500G 10 100 1000 Family          SWITCH 5500G FAMILY IN ENTERPRISE CAMPUS NETWORK          Ethernet Fast Ethernet  Gigabit Ethernet  10 Gigabit Ethernet                 Power over Ethernet  PoE     gT Link Aggregation  LAG              3Com   Switch 5500G 10 100 1000 Family          PRODUCT WARRANTY AND OTHER SERVICES       Warranty    3Com Limited Lifetime Warranty  For as long as the original end user owns the product  or for five years  after 3Com discontinues the of sale of the pro
2.   192 0 Gbps switching capacity  max    with 2 port 10 Gigabit module   136 9 Mpps forwarding rate  max    with 2 port 10 Gigabit module   107 1 Mpps forwarding rate  max    with no optional modules     All models   Wirespeed performance across all  ports within stack or fabric  Store and forward switching   latency  lt 10 us    96 Gbps full duplex resilient stacking  bandwidth    LAYER 2 SWITCHING   16K MAC addresses in address table  1K 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 for automatic  vendor independent segregation   and prioritization of VoIP traffic   IBEE 802 3ad Link Aggregation  Control Protocol  LACP   automated  and manual aggregation    Link aggregation trunk groups    per switch    e 32 groups   e 8 10 100 1000 ports or 4 10 Gigabit  ports per group   e 32 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 
3.   Marlborough  MA 01752 3064  3Com is publicly traded on NASDAQ under the symbol COMS     3CR17254 91  3CR17255 91   e 5500 G El 24 port SFP unit  irrespective of PSU 3CR17259 91  Power supplies are identified using the SKUs under    Spare Components     above     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 or one of its subsidiaries  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  400908 026 04 08    specifications are subject to change without notice     
4.  40   to 158  F    Humidity  operating and storage    10  to 95  non condensing  Standard  EN 60068  IEC 68   Sound pressure level  dBA     e 48 port  54 5 decibels   e 48 port PWR  53 0 decibels   e 24 port  52 6 decibels   e 24 port PWR  54 1 decibels   e 24 port SFP  57 4 decibels    Heat dissipation  max   24 port non PWR  515 BTU hour    48 port non PWR  720 BTU hour    24 port PWR  515 BTU hour  excludes  heat from PoE    48 port PWR  720 BTU hour  excludes  heat from PoE    24 port SFP  515 BTU hour    RELIABILITY   MTBF   25  C     48 port  25 years  219 000 hours   48 port PWR  23 years  201 000 hours   24 port  34 years  298 000 hours   24 port PWR  31 years  272 000 hours   24 port SFP  29 years  256 000 hours     INDUSTRY STANDARDS  SUPPORTED    Ethernet Protocols  IEEE 802 1D  STP     IEEE 802 1p  CoS    IEEE 802 1Q  VLANs    IEEE 802 1s  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 3ae  10G Ethernet    IEEE 802 3af  Power over Ethernet   IFEE 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   REC 791  IP   REC 792  ICMP   REC 793  TCP   REC 826  ARP     REC 1058  Routing Information  Protocol     REC 1112  IP Multicasting   REC 1157  SNMP   RFC 1213  MIB II   RFC 1253  OSPF v2   RFC 1583  OSPF v2    RFC 1
5.  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  8K dynamic  1K static   64 IP interfaces   Routing Information Protocol  RIP     vl and v2  2K routes   Open Shortest Path First  OSPF     e 8 areas with 8 virtual interfaces  per area   e 40 neighbors per virtual interface      Eight virtual links   Protocol Independent Multicast Dense   Mode  PIM DM    Protocol Independent Multicast Sparse   Mode  PIM SM    IGMP vl and v2   Border Gateway Protocol  BGPv4    Equal Cost Multipath Protocol    ECMP   up to three ECMP instances   Multicast VLAN Registration  MVR    Dynamic Host Configuration Protocol   Relay  DHCP Relay   8 K max    3Com XRN  Technology    e High bandwidth 96 Gbps resilient   stacking links   Distributed Link Aggregation  hot    swappable switch units  high speed   fully resilient trunks up to 40 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    e Type of Service  ToS    IEEE 802 1p CoS   
6.  PWR 48 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 5500G 10 100 1000 Family       Qs    3C0              ORDERING  INFORMATION    Visit www 3com com for more information about 3Com secure converged network solutions     PRODUCT DESCRIPTION  3Com Switch 5500G El 24 Port    3COM SKU    3CR17250 91       3Com Switch 5500G El 48 Port    3CR17251 91       3Com Switch 5500G El PWR 24 Port    3CR17252 91       3Com Switch 5500G El PWR 48 Port    3CR17253 91       3Com Switch 5500G El 24 Port SFP    3CR17258 91       Modules                                                                                              3Com Switch 5500G EI 8 Port 1000BASE X  SFP  3017260  3Com Switch 5500G EI 1 Port 10G  XENPAK   3017261  3Com Switch 5500G EI 2 Port 10G  XFP    3017268  Gigabit SFP Transceivers   3Com 1000BASE SX SFP 3CSFP91  3Com 1000BASE LX SFP 3CSFP92  3Com 1000BASE T SFP 3CSFP93  3Com 1000BASE LH70  70 km  SFP 3CSFP97  Fast Ethernet SFP Transceivers   3Com 100BASE FX SFP  Dual Mode    3CSFP9 81  3Com 100BASE LX SFP  Dual Mode    3CSFP9 82  10 Gigabit XENPAK Transceivers   3Com 10GBASE LX4 XENPAK 3CXENPAK91  3Com 10GBASE LR XENPAK 3CXENPAK92  3Com 10GBASE SR XENPAK 3CXENPAK94  3Com 10GBASE CX4 XENPAK 3CXENPAK95  3Com 10GBASE ER XENPAK 3CXENPAK96  10 Gigabit XFP
7.  Transceivers   3Com 10GBASE LR XFP 3CXFP92  3Com 10GBASE SR XFP 3CXFP94  3Com 10GBASE CX4 XFP   3CXFP95  3Com 10GBASE ER XFP 3CXFP96  Spare Components   3Com Switch 5500G El PoE PSU 24 3017264  3Com Switch 5500G El PoE PSU 48 3017265  3Com Switch 5500G El PSU 24 3017266  3Com Switch 5500G El PSU 48 3017267  Cables   3Com Switch 5500G El Stacking Cable 3017262  3Com Switch 5500G El 1 2m Stacking Cable 3017263  3Com Switch 5500G El 5m Extended Stacking Cable 3C17269  3Com CX4 Local Connection Cable   50 cm 3017775  3Com CX4 Local Connection Cable   100 cm 3017776  3Com CX4 Local Connection Cable   300 cm 3C17777       3Com Global Services  3Com Network Health Check  Installation Services   and Express Maintenance    www 3com com services_quote       3Com University Courses    www 3com com 3comu       5 Due to space constraints  the Switch 5500G 2 Port 10G  XFP  Module can accomodate only one    10GBASE CX4 XFP         Dual mode 100BASE X SFPs provide 100 Mbps fiber connectivity in the last two 1000BASE X SFP  ports of Switch 5500G models  and in all ports of the 8 Port 1000BASE X SFP Module     Note  Switch 5500G power supply units  PSUs  are changeable and upgradeable  Because of this  flexibility  for unit identification purposes during registration and Service and Support  these non     orderable SKU references are used   e 5500 G El 24 port unit  irrespective of PSU  e 5500 G El 48 port unit  irrespective of PSU    3Com Corporation  Corporate Headquarters  350 Campus Drive
8. 00G 10 100 1000 devices provide switching capacity  of up to 240 Gbps for 48 port models and 192 Gbps for 24 port models   Wirespeed 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     BUILT FOR FLEXIBILITY AND GROWTH    The 3Com Switch 5500G family consists of five models  choose 24 or 48  Gigabit ports  with or without PoE  a fifth SFP model offers 24 SFP  Gigabit ports  Four ports on each of these models are dual purpose or     dual personality     functioning as either 10 100 1000 or with fiber  Gigabit SFPs  two of these four SFP ports also support Fast Ethernet fiber     All models come with an applications module slot for adding ports   or capabilities  Install an 8 Port SFP Gigabit module  or a 1  or 2 port  10 Gigabit module  Use this in the future to add a 3Com Open Services  Networking  OSN  module        from top  3Com Switch 5500G EI 24 Port  Switch 5500G El PWR 24 Port   Switch 5500G El 48 Port  Switch 5500G EI PWR 48 Port  Switch 5500G EI 24 Port SFP    3Com   Switch 5500G 10 100 1000 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 availabil
9. 587  OSPF NSSA Option   RFC 1724  RIP v2 MIB Extension   REC 1757  RMON     REC 1812  Requirements for IPv4  Routers     RFC 1850  RFC 1901  RFC 1902  RFC 1903    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  RFC 1907  RFC 1908  RFC 2021  RFC 2154  RFC 2233  RFC 2236  RFC 2328  RFC 2338  RFC 2362  PIM SM    REC 2570  SNMP v3 Framework   REC 2571  FrameWork    REC 2571 2575  SNMP     pe ee    SNMP v2c    SNMP v1 2 Coexistence   RMON II Probe Config   OSPF Digital Signatures   Interfaces    IGMP v2    OSPF v2    VRRP     asa ao aa a a a a a ee SS    RFC 2576  RFC 2578    SNMP v1 2 3 Coexistence   SMI v2 Structure    REC 2579  SMI v2 Text Conventions   REC 2580  SMI v2 Conformance    REC 2613  Remote Network  Monitoring MIB Extensions    REC 2618  RADIUS Authentication  Client    REC 2620  RADIUS Accounting Client   REC 2644  Restricted Directed  Broadcast           pra gee a    REC 2665  Pause Control   REC 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  
10. 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  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 5500G 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 5500G 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 5500G PWR models     With this RPS  all 384 10 100 1000 ports on a stack of eight Switch  5500G
11. EAN  3COM    DATA SHEET    Premium stackable  Gigabit switches deliver  maximum security   convergence features  and intelligence  required by the most  demanding advanced  enterprise networks    3Com   Switch 5500G 10 100 1000 Family    OVERVIEW    The 3Com   Switch 5500G 10 100 1000 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 Gigabit  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 5500G models come  with 24 or 48 Gigabit ports  and offer optional modules for 10 Gigabit  and SFP Gigabit uplink connections     The switches can be stacked up to eight units high using patented  3Com XRN    eXpandable Resilient Networking  technology  One XRN  stack can provide up to 448 Gigabit Ethernet ports  with 96 Gbps  resilient stacking bandwidth  all centrally managed  with high end  enterprise chassis class availability     Further expansion is possible via clustered stacking technology  allowing  single IP management for up to 32 devices from different 3Com switch  families  including the Switch 5500G  5500  4500G  4210 and 4200G     KEY BENEFITS    ENTERPRISE LEVEL PERFORMANCE   3Com Switch 55
12. IP precedence   Physical port   Source destination MAC address  VLAN information   Ethertype   Source destination IP address  Source destination TCP port   e 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  SP    DiffServ Code Point Expedited  Forwarding  DSCP EF  remarking for  prioritization of VoIP traffic  Application rate limiting and blocking  on ingress   Port based traffic shaping on egress  TEEE 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 Devi
13. SFTP    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  IEEE 802 1X and RADA integration  with IAS Active Directory   3Com Switch Manager for virtual  clustering support across 3Com  switch families    DIMENSIONS   Height  43 6 mm  1 7 in or 1U   Width  440 mm  17 3 in   Depth  450 mm  17 7 in     Weight  varies  depending on PSU  installed    POWER SUPPLY   Mode support  AC only  AC and DC   DC only operation   Built in DC power stage for direct  connection to  48 V supply  Field replaceable power supply   AC Line Frequency  50 60 Hz   Input Voltage  90 240 VAC   AC current rating  3 0A max     PWR models  8 0A max     DC current rating  5 5A max     PWR 24 port  12 0A    PWR 48 port  19 5A  max     Non PWR models are field upgradeable  to PoE support with installation of PoE   enabled power supply    Power consumption  max   24 port non PWR  150 W    48 port non PWR  210 W    24 port PWR  150 W  plus up to  300 W for PoE    48 port PWR  210 W  plus up to  300 W for PoE    24 port SFP  150 W    ENVIRONMENTAL   Operating temperature  0   to 40  C   32   to 104  F    Operating altitude  0 to 4 572 meters   0 to 15 000 feet    Storage temperature   40   to 70  C   
14. ce 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      2 of these 4 SFP ports are capable of supporting Fast Ethernet fiber  via dual mode SFP transceivers 3CSFP9 81 and 3CSFP9 82     6    ACLs filter at Layers 2  3 and 4      Source destination MAC address  Ethernet type   Source destination IP address  Source destination TCP port  Source destination UDP port  User defined ACL filters  VLAN based ACLs   Port based MAC address Disconnect  Unknown Device  DUD    ARP inspection and IP source guard  IEEE 802 1X or TACACS  user    authentication of switch management  on Telnet and console sessions    MD5 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 448 Gigabit ports  of which 384  are 10 100 1000   Single IP address and management  interfaces for stack wide control  Hot swappable  resilient stacking  High bandwidth 96 Gbps resilient  stacking links   Distributed Resilient Routing with  router tables in all units  no master   slave arrangement   Combine any Swit
15. ch 5500G 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 EI   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 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    1 to 1 port mirroring  Many to 1 port mirroring  VLAN to 1 port mirroring  Remote port mirroring    Ability to apply ACL to mirror port  and forward only certain traffic types    Detailed alarm and debug information  Front panel indicators for port and  unit status information   Supports ping  remote ping and  traceroute    3Com   Switch 5500G 10 100 1000 Family          SPECIFICATIONS   CONTINUED     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  
16. chnical 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 5500G 10 100 1000 Family          SPECIFICATIONS    All information in this section is  relevant to all members of the 3Com  Switch 5500G 10 100 1000 family   unless otherwise stated   CONNECTORS   48 port models   48 auto negotiating 1OBASE T   100BASE TX 1000BASE T ports    4 of which are dual personality  10 100 1000 or SFP Gigabit ports   IEEE 802 3af in line power on all  10 100 1000 ports for PWR models    24 port SFP model   24 Gigabit SFP ports  4 of which are  dual personality 1OBASE T 100BASE   TX 1000BASE T or SFP Gigabit ports     24 port  other models   24 auto negotiating 1OBASE T   100BASE TX 1000BASE T    4 of which are dual personality  10 100 1000 or SFP Gigabit ports   IEEE 802 3af in line power on all  10 100 1000 ports for PWR models  All models   Application module slot    2 XRN Stacking ports  each 48Gbps  full duplex     Redundant power supply   48 VDC   connector    RJ 45 console port    PERFORMANCE  48 port  240 0 Gbps switching capacity  max      with 2 port 10 Gigabit module   172 6 Mpps forwarding rate  max    with 2 port 10 Gigabit module   142 3 Mpps forwarding rate  max    with no optional modules   24 port 
17. duct  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 5500G  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    3Com Global Services offers the resources and talents of a major corporation plus more than two decades of  experience in re
18. ity without adding to network  complexity  After configuration  all switches actively share 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 5500G 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     PRIORITY FOR CONVERGED BUSINESS TRAFFIC    Next generation traffic 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 5500G products are the first stackable switches 
19. ng and classification  prepares your network for this next  generation IPv  6 version while maintaining full compatibility with  today s more common IPv4     WORLD CLASS SERVICE  SUPPORT AND TRAINING    The 3Com Switch 5500G 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 56 Gigabit Layer 2 3 4 switched ports per switch and up to  448 Gigabit ports per stack       Equipped with four dual purpose ports on each switch providing either  10 100 1000 or SFP Fast  Gigabit Ethernet connectivity       Offers optional 1  and 2 port 10 Gigabit and 8 port SFP Gigabit modules  for links to the network core       Can be stacked eight units high and managed as a single IP entity       Delivers wirespeed and line rate performance on all ports       Offers OSPF and multicast routing  3Com XRN 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   
20. solving 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    Maintenance Service This service provides comprehensive on site support and includes  advance hardware replacement  telephone te
21. to support  multiple power schemes right out of the box  with a choice of AC  AC  and DC  or DC operation  Select 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  The  customer swappable power supply unit enables non PoE models to be  easily upgraded to PoE capability  An available Redundant Power System  can provide supplemental N 1 power across all PoE ports in the system     POWERFUL  UNIFIED MANAGEMENT    The 3Com Operating System employed in the Switch 5500G 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  administration 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     t 168 bit encryption not available in all countries  Refer to www 3com com for details     3Com   Switch 5500G 10 100 1000 Family          KEY BENEFITS   CONTINUED     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 filteri
    
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