3Com C17304, 3C17300, C17302 manual Stacking Units, Unit line up with the recesses of the lower unit

Page 23

Placing Units On Top of Each Other 23

Placing Units On If the Switch units are free-standing, up to eight units can be placed one

Top of Each Other on top of the other. If you are mixing a variety of SuperStack® 3 Switch and Hub units, the smaller units must be positioned at the top.

 

If you are placing Switch units one on top of the other, you must use the

 

self-adhesive rubber pads supplied. Apply the pads to the underside of

 

each Switch, sticking one in the marked area at each corner. Place the

 

Switch units on top of each other, ensuring that the pads of the upper

 

unit line up with the recesses of the lower unit.

 

 

Stacking Units

Up to four Switch 4200 Series units can be stacked together and then

 

treated as a single manageable unit with one IP address. Any

 

combination of Switch 4200 Series units is allowed in a single stack. The

 

units are connected together via the 10/100/1000BASE-T ports on the

 

front of the unit as shown in Figure 6. Starting from the base of the stack,

 

the port marked with ‘up’ is connected to the port marked with ‘down’

 

on the unit above. Cable lengths of between 14 cm (5.5 in) and

 

100 m (328 ft) can be used for stacking.

Figure 6 Stacking example

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3C17302 Superstack 3 Switch 4250T

 

 

 

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3C17304 Superstack 3 Switch 4228G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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3C17304 Superstack 3 Switch 4228G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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3C17300 Superstack 3 Switch 4226T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Unit

 

The unit LEDs will display the unit number in the stack, from 1 at the bottom to 4 at the top.

3Com recommends that when you add a new unit to a stack, you should first initialize it to factory default settings

Stack renumbering occurs when another Switch 4200 Series unit is added to the bottom of an established stack except when the stack is already 4 units high. In this instance the ‘down’ port on the bottom unit of the existing stack will be disabled and its LED will flash green. You will then not be able to use that port again until the link is lost on that port.

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Contents SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Setting UP for Management PIN-OUTS Index Regulatory Notices About this Guide Convention Description ConventionsIcon Description Documentation RelatedProduct Introducing Series About the SwitchFront View Detail Switch 4200 SeriesIntroducing the Superstack 3 Switch 4200 Series Port Status LEDs Gbic ports Fiber GBICs1000BaseT GBICs Color Indicates Port Status LEDs 10BASE-T/100BASE-TX portsAlert LED Power/Self Test LEDColor Indicates Unit LEDsRear View Detail System RPS. See Connecting a Redundant Power System onQuality of Service QoS Feature Switch 4200 Series Automatic IP ConfigurationDuplex Mode Rmon AlarmInstalling the Switch Site Package ContentsChoosing a Suitable Rack-mounting Fitting a bracket for rack-mounting Repeat steps 2 and 3 for the other side of the Switch100 m 328 ft can be used for stacking Stacking UnitsUnit line up with the recesses of the lower unit On the unit above. Cable lengths of between 14 cm 5.5Sequence Power-upPowering-up Switch 4200 SeriesColor State Power/Self Test LED colorsCross-over Cable Straight-through Cable Fiber cablesTransceivers Gbic OperationApproved Gbic The 3Com approved Gbic transceivers are Installing the Switch Gbic Installing the Switch Setting UP for Management Overview Setting UpConfigure IP information manually for your Switch or view Automatically configured IP informationAutomatic IP Configuration Manual IP ConfigurationSetting UP for Management Pre-requisites Manually Configuring IP InformationSetting Up the Switch with IP Information Connecting the Workstation to the SwitchConfiguring the Workstation with IP Information Using Command Line Interface via Telnet Example top-level command line interface menu Connecting a workstation to the Switch via the console port Setting Up the Switch with IP Information Example top-level command line interface menu Automatically Configured IPViewing Viewing Automatically Configured IP Information Viewing IP Information via the Console Port Methods of Managing a Switch Refer to Setting Up Command Line Interface Management on CLI Management via Command LineNetwork Using Telnet Interface ManagementChoosing a Browser Setting Up WebInterface Management workstation Setting Up SnmpManagement Protocol Snmp can manage a Switch if Over the NetworkUser Default Name Password Access Level Default UsersSecurity Device User Modify operation on the web interface Setting UP for Management For Technical Support information, see Appendix D Problem SolvingOn powering-up, the Power/Self Test LED lights yellow Solving ProblemsSolutions below Power LED does not lightIP Addressing ProblemsSolving Communication Problems Solving Hardware Snmp fan fail trap hardware failureHow do you obtain a registered IP Address? Solving StackFormation Solving Software Upgrade Problems Problem Solving Safety Information This must be approved for the country where it is used Important Safety InformationImportant Safety Information ’information de Sécurité Importante ’information de Sécurité Importante Wichtige Sicherheitsinformationen Vorsicht Europe Appendix a Safety Information Pin to 9-pin Null Modem CablePC-AT Serial Cable Pin to RS-232 25-pinRJ-45 Pin ConnectorsPin Number Signal Function Modem CablePin Assignments RJ-45 connectors1000BASE-T RJ-45 Pin assignments Switch 4226T 3C17300 Terminal Emulation Protocols Used for AdministrationStandards Supported Snmp Switch 4250T 3C17302Switch 4228G 3C17304 Online Technical ServicesUsername anonymous From this region, enter the URL Asia, Pacific RimFrom this region, e-mail Europe, Middle East and AfricaEurope, Middle East, and Africa Asia, Pacific RimCountry Telephone Number Asia, Pacific Rim Country Telephone Number Latin America Index Snmp Regulatory Notices
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Manual 79 pages 26.18 Kb

C17304, C17302, 3C17300 specifications

The 3Com C17304, 3C17300, and C17302 are notable models in the 3Com networking product line, renowned for their performance and technological advancements. These models cater to various networking environments, providing robust solutions for both small and medium-sized businesses as well as larger enterprises seeking reliable connectivity.

The 3Com C17304 is recognized for its formidable capacity and flexibility. It offers a high port density, which allows for multiple devices to connect without compromising performance. This model features built-in support for Power over Ethernet (PoE), enabling the powering of devices such as IP cameras and phones directly through the network cable. The 3Com C17304 is designed with advanced security features, including integrated VLAN support for traffic segmentation and enhanced security protocols to protect sensitive data.

The 3C17300 is another essential player in this lineup, embodying versatility and ease of use. This model is equipped with a user-friendly interface that simplifies network management, making it accessible for IT professionals at all levels. The 3C17300 includes capabilities for Layer 2 switching, providing efficient data forwarding with minimal latency. Its intelligent features, such as link aggregation and QoS (Quality of Service), ensure optimized bandwidth utilization while prioritizing critical applications.

Meanwhile, the C17302 is specifically engineered for performance-driven environments. It excels in delivering high-speed connectivity with its support for Gigabit Ethernet, significantly enhancing data transfer rates. The C17302 also incorporates advanced routing capabilities, allowing for dynamic network management and improved performance in complex network topologies. Furthermore, this model boasts reliability with redundancy features designed to minimize downtime, ensuring consistent access to network resources.

All three models leverage innovative technologies to deliver superior performance. They support various standards such as IEEE 802.1Q for VLAN tagging and IEEE 802.3ad for link aggregation. User-centric features like SNMP for network monitoring and troubleshooting enhance the overall management experience. These switches are built to provide scalability, enabling businesses to expand their networks seamlessly as demands grow.

In summary, the 3Com C17304, 3C17300, and C17302 showcase advanced features, reliability, and effective performance, making them integral components of modern networking solutions. Ideal for a range of applications, they help businesses optimize their network infrastructure while maintaining robust security and efficient data handling.
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