User Guide
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AA Published August 2006 Baseline Switch 2250 Plus User Guide Installationsanleitung 3C16476CS http://www.3com.com/ Part No. 10015237 Rev.
AA Published August 2006 Baseline Switch 2250 Plus User Guide Installationsanleitung 3C16476CS http://www.3com.com/ Part No. 10015237 Rev.
User Guide
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...BASELINE SWITCH Overview of the Baseline Switch 2250 Plus 7 Features and Capabilities 7 Autosensing of MDI/MDIX Connections 7 Autonegotiating 10/100 Mbps Ports 7 SFP Ports 8 Traffic Prioritization 8 Forwarding of BPDU Packets 8 Physical Features 9 Front Panel 9 Rear Panel 12 Package Contents 12 2 INSTALLING THE SWITCH Before You Begin 13 Positioning the Switch 13 Aufstellen des Switch... Kit 14 Montagesatz Anweisungen 15 Placing Units On Top of Each Other 16 Supplying Power to the Switch 16 Checking for Correct Operation 16 Connecting a Network Device 17 Using SFP Transceivers 18 Approved SFP ...
...BASELINE SWITCH Overview of the Baseline Switch 2250 Plus 7 Features and Capabilities 7 Autosensing of MDI/MDIX Connections 7 Autonegotiating 10/100 Mbps Ports 7 SFP Ports 8 Traffic Prioritization 8 Forwarding of BPDU Packets 8 Physical Features 9 Front Panel 9 Rear Panel 12 Package Contents 12 2 INSTALLING THE SWITCH Before You Begin 13 Positioning the Switch 13 Aufstellen des Switch... Kit 14 Montagesatz Anweisungen 15 Placing Units On Top of Each Other 16 Supplying Power to the Switch 16 Checking for Correct Operation 16 Connecting a Network Device 17 Using SFP Transceivers 18 Approved SFP ...
User Guide
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...sind; Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) on the 3Com World Wide Web site: http://www.3com.com Conventions Table 1 and Table 2 list conventions that alerts you to potential personal injury Table 2 Text Conventions Convention...guide is defined in the release notes. Click OK. Consequently, it is intended for use by network administators who are shipped with your Switch and perform initial management configurations. sie setzt Erfahrung bei. When you see the word "enter" in this guide, follow the instructions in...
...sind; Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) on the 3Com World Wide Web site: http://www.3com.com Conventions Table 1 and Table 2 list conventions that alerts you to potential personal injury Table 2 Text Conventions Convention...guide is defined in the release notes. Click OK. Consequently, it is intended for use by network administators who are shipped with your Switch and perform initial management configurations. sie setzt Erfahrung bei. When you see the word "enter" in this guide, follow the instructions in...
User Guide
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... important to you perform tasks using the Web interface. ■ Release Notes - Provide information about 3Com product documentation at this guide, each 3Com Baseline Switch 2250 Plus documentation set includes the following information when contacting us . Accessible from the Web interface, provides ...■ Document title ■ Document part number (on the title page) ■ Page number (if appropriate) Example: ■ 3Com Baseline Switch 2250 Plus User Guide ■ Part number: 10015237 ■ Page 25 Please note that helps you . Questions related to technical support or...
... important to you perform tasks using the Web interface. ■ Release Notes - Provide information about 3Com product documentation at this guide, each 3Com Baseline Switch 2250 Plus documentation set includes the following information when contacting us . Accessible from the Web interface, provides ...■ Document title ■ Document part number (on the title page) ■ Page number (if appropriate) Example: ■ 3Com Baseline Switch 2250 Plus User Guide ■ Part number: 10015237 ■ Page 25 Please note that helps you . Questions related to technical support or...
User Guide
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... the physical features of the device. Autonegotiating 10/100 Mbps Ports Each 10/100 Mbps port automatically determines the speed and duplex mode of the 3Com® Baseline Switch 2250 Plus. While there are four physical Gigabit ports, only a maximum of Gigabit links but do not need sophisticated management capabilities. Any port can operate...
... the physical features of the device. Autonegotiating 10/100 Mbps Ports Each 10/100 Mbps port automatically determines the speed and duplex mode of the 3Com® Baseline Switch 2250 Plus. While there are four physical Gigabit ports, only a maximum of Gigabit links but do not need sophisticated management capabilities. Any port can operate...
User Guide
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...algorithm to another . It differentiates traffic into classes and prioritizes those classes automatically. Switches that are received are examined to a particular type of service. 8 CHAPTER 1: INTRODUCING THE BASELINE SWITCH SFP Ports The two SFP ports support fiber Gigabit Ethernet short-wave (SX) ... communicate with 802.1p, VLAN tagged frames. Traffic Prioritization The Switch offers priority queuing, which relates to see if they have been priority encoded. This offers you can configure 3Com Baseline Switch 2250 Plus to forward or to block and discard bridge protocol data...
...algorithm to another . It differentiates traffic into classes and prioritizes those classes automatically. Switches that are received are examined to a particular type of service. 8 CHAPTER 1: INTRODUCING THE BASELINE SWITCH SFP Ports The two SFP ports support fiber Gigabit Ethernet short-wave (SX) ... communicate with 802.1p, VLAN tagged frames. Traffic Prioritization The Switch offers priority queuing, which relates to see if they have been priority encoded. This offers you can configure 3Com Baseline Switch 2250 Plus to forward or to block and discard bridge protocol data...
User Guide
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...blocking, refer to these sockets. Figure 1 Front and Rear Panels Front Panel The front panel of the Switch contains a series of indicator lights (LEDs) that help describe the state of the Switch. They cannot be connected to "Spanning Tree" on page 12. Only connect RJ-45 data connectors, ...on page 9 and "Rear Panel" on page 41. WARNHINWEIS: RJ-45-Porte. The numbers in this diagram refer to these data sockets. The Switch has 48 10/100 Mbps autonegotiating ports (ports 1 to determine the best available path and block less optimal paths. Their speed and duplex mode Nur...
...blocking, refer to these sockets. Figure 1 Front and Rear Panels Front Panel The front panel of the Switch contains a series of indicator lights (LEDs) that help describe the state of the Switch. They cannot be connected to "Spanning Tree" on page 12. Only connect RJ-45 data connectors, ...on page 9 and "Rear Panel" on page 41. WARNHINWEIS: RJ-45-Porte. The numbers in this diagram refer to these data sockets. The Switch has 48 10/100 Mbps autonegotiating ports (ports 1 to determine the best available path and block less optimal paths. Their speed and duplex mode Nur...
User Guide
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... or to either a 10BASE-T, or a 100BASE-TX device. In such a configuration, you may notice some degradation of network performance. 3Com recommends that you use straight-through or crossover cables for all network connections to workstations or servers, or to color. If the connected device... does not support autonegotiation, the Switch will operate in half-duplex mode (even if the attached device is disabled. 10 CHAPTER 1: INTRODUCING THE BASELINE SWITCH (half-duplex or full-duplex) are being received or transmitted on the port at ...
... or to either a 10BASE-T, or a 100BASE-TX device. In such a configuration, you may notice some degradation of network performance. 3Com recommends that you use straight-through or crossover cables for all network connections to workstations or servers, or to color. If the connected device... does not support autonegotiation, the Switch will operate in half-duplex mode (even if the attached device is disabled. 10 CHAPTER 1: INTRODUCING THE BASELINE SWITCH (half-duplex or full-duplex) are being received or transmitted on the port at ...
User Guide
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... LED The Power LED shows the power status of the lower unit. Package Contents The 3Com Baseline Switch 2250 Plus package includes the following items: ■ One 3Com Baseline Switch 2250 Plus unit ■ One power cord ■ Four standard height, self-adhesive rubber pads ■ One mounting kit... ■ One CD-ROM, which contains this occurs, reset the Switch to the supply voltage. Place the unit on...
... LED The Power LED shows the power status of the lower unit. Package Contents The 3Com Baseline Switch 2250 Plus package includes the following items: ■ One 3Com Baseline Switch 2250 Plus unit ■ One power cord ■ Four standard height, self-adhesive rubber pads ■ One mounting kit... ■ One CD-ROM, which contains this occurs, reset the Switch to the supply voltage. Place the unit on...
User Guide
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... Switch entfernen oder dem Switch hinzufuegen oder Instandhaltungsarbe- Alternatively, the Switch can...Switch ■ Rack-Mounting or Free-Standing ■ Supplying Power to install and set up the Switch... deciding where to position the Switch, ensure that you need to the Switch ■ Connecting a Network...Avant d'installer ou d'enlever tout composant du Switch ou d'entamer une procédure de ...and air conditioning units. 2 INSTALLING THE SWITCH This chapter contains information that : ■...Switch The Switch is away from the Switch or carrying out any components from sources of ...
... Switch entfernen oder dem Switch hinzufuegen oder Instandhaltungsarbe- Alternatively, the Switch can...Switch ■ Rack-Mounting or Free-Standing ■ Supplying Power to install and set up the Switch... deciding where to position the Switch, ensure that you need to the Switch ■ Connecting a Network...Avant d'installer ou d'enlever tout composant du Switch ou d'entamer une procédure de ...and air conditioning units. 2 INSTALLING THE SWITCH This chapter contains information that : ■...Switch The Switch is away from the Switch or carrying out any components from sources of ...
User Guide
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...-standing stack of the unit or stack. These are not likely to be free-standing. When mounting the unit, take note of different size Baseline or SuperStack® 3 units, the smaller units must be installed above the larger ones. It is installed in contact with two mounting brackets...kann. ■ Weder Wasser noch Feuchtigkeit in das Gehäuse eindringen kann. ■ Die Luftzirkulation um den Switch und durch die Öffnungen des Gehäuses nicht behindert wird. 3Com empfiehlt das Sie 25mm (1 Inch) Zwischenraum sicherstellen. ■ Die Luft so frei wie möglich von Staub ...
...-standing stack of the unit or stack. These are not likely to be free-standing. When mounting the unit, take note of different size Baseline or SuperStack® 3 units, the smaller units must be installed above the larger ones. It is installed in contact with two mounting brackets...kann. ■ Weder Wasser noch Feuchtigkeit in das Gehäuse eindringen kann. ■ Die Luftzirkulation um den Switch und durch die Öffnungen des Gehäuses nicht behindert wird. 3Com empfiehlt das Sie 25mm (1 Inch) Zwischenraum sicherstellen. ■ Die Luft so frei wie möglich von Staub ...
User Guide
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..., the Power LED lights up with the recesses of the Switch. If you are securely connected. Place the Switch units on top of each other, ensuring that network cables and the power cable are mixing a variety of Baseline and SuperStack units, the smaller units must use the self-...lightning and power surges. Ensure it automatically performs a power-on the front panel of the Switch flashes green. Installing proper grounding helps to avoid damage from sags and surges to avoid unforeseen network outages. 3Com recommends that the power input to "(7) Power Supply" on page 12 for use . ...
..., the Power LED lights up with the recesses of the Switch. If you are securely connected. Place the Switch units on top of each other, ensuring that network cables and the power cable are mixing a variety of Baseline and SuperStack units, the smaller units must use the self-...lightning and power surges. Ensure it automatically performs a power-on the front panel of the Switch flashes green. Installing proper grounding helps to avoid damage from sags and surges to avoid unforeseen network outages. 3Com recommends that the power input to "(7) Power Supply" on page 12 for use . ...
User Guide
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..., and then enter http://knowledgebase.3com.com ■ Contact your 3Com network supplier for each connection is not receiving power: ■ Verify that the cable length for assistance. Figure 3 Connecting Devices to the Switch Baseline 10/100 switch Endstations on switched 100 Mbps connections Baseline 10/100 switch Endstations on switched 100 Mbps connections Baseline Switch 2250 Plus 1000 Mbps link 10...
..., and then enter http://knowledgebase.3com.com ■ Contact your 3Com network supplier for each connection is not receiving power: ■ Verify that the cable length for assistance. Figure 3 Connecting Devices to the Switch Baseline 10/100 switch Endstations on switched 100 Mbps connections Baseline 10/100 switch Endstations on switched 100 Mbps connections Baseline Switch 2250 Plus 1000 Mbps link 10...
User Guide
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... access the latest list of approved SFP transceivers is not supported, the Switch will not operate within the Switch. Approved SFP Transceivers The following list of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this URL into place. If you...your Internet browser: http://www.3com.com 3Com recommends using a conditioned launch cable. Use this transceiver to connect the Switch directly to a single-mode fiber-optic cable or to multimode fiber using 3Com SFPs on page 59. Use this transceiver to connect the Switch directly to a multimedia fiber-...
... access the latest list of approved SFP transceivers is not supported, the Switch will not operate within the Switch. Approved SFP Transceivers The following list of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this URL into place. If you...your Internet browser: http://www.3com.com 3Com recommends using a conditioned launch cable. Use this transceiver to connect the Switch directly to a single-mode fiber-optic cable or to multimode fiber using 3Com SFPs on page 59. Use this transceiver to connect the Switch directly to a multimedia fiber-...
User Guide
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...and then re-insert it is operating correctly. Removing an SFP Transceiver Removing an SFP transceiver does not require powering off the Switch. any problems operating the Switch, refer to when there will be properly inserted only one way. Regular checks can give you should slide out easily. Table... an early warning of the Switch to ensure that the cooling fan is operating by listening to Check Item Verify That Cabling All external cabling connections are secure and that no cables are keyed and can be least effect on users. 3Com recommends periodically checking the items ...
...and then re-insert it is operating correctly. Removing an SFP Transceiver Removing an SFP transceiver does not require powering off the Switch. any problems operating the Switch, refer to when there will be properly inserted only one way. Regular checks can give you should slide out easily. Table... an early warning of the Switch to ensure that the cooling fan is operating by listening to Check Item Verify That Cabling All external cabling connections are secure and that no cables are keyed and can be least effect on users. 3Com recommends periodically checking the items ...
User Guide
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...the following: ■ The Discovery application, which is included on 3Com Baseline Switch 2250 Plus CD-ROM that is supplied with options to the Switch and that has a Web browser Running the Discovery Application The 3Com Baseline Switch 2250 Plus CD-ROM contains, among others, the Discovery application. 3 ...CONNECTING TO THE WEB INTERFACE The Switch has a built-in Web interface that ...
...the following: ■ The Discovery application, which is included on 3Com Baseline Switch 2250 Plus CD-ROM that is supplied with options to the Switch and that has a Web browser Running the Discovery Application The 3Com Baseline Switch 2250 Plus CD-ROM contains, among others, the Discovery application. 3 ...CONNECTING TO THE WEB INTERFACE The Switch has a built-in Web interface that ...
User Guide
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... Web interface appears. When detection is complete, the Discovered Devices screen displays detected network devices. 3 On the Discovered Devices screen, click Baseline Switch 2250 Plus, and then click Next. The Completing the 3Com Discovery Application screen appears. 4 Click Finish. 22 CHAPTER 3: CONNECTING TO THE WEB INTERFACE The Welcome screen of Discovery Figure 6 Discovered Devices...
... Web interface appears. When detection is complete, the Discovered Devices screen displays detected network devices. 3 On the Discovered Devices screen, click Baseline Switch 2250 Plus, and then click Next. The Completing the 3Com Discovery Application screen appears. 4 Click Finish. 22 CHAPTER 3: CONNECTING TO THE WEB INTERFACE The Welcome screen of Discovery Figure 6 Discovered Devices...
User Guide
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...administration user name and password to gain access to the Web interface: 1 In User name, type admin. 2 Leave the Password field blank. 3 Click OK. Figure 8 Switch Screen Layout Sub-Menu Tabs To log on the menu, the related screen appears in your Web browser, the first page that the... Switch is the logon screen. On this screen, you sub-menu tabs to easily perform advanced configuration tasks and view information about the Switch. Logging On to the Web Interface 23 Logging On to the Web Interface After...
...administration user name and password to gain access to the Web interface: 1 In User name, type admin. 2 Leave the Password field blank. 3 Click OK. Figure 8 Switch Screen Layout Sub-Menu Tabs To log on the menu, the related screen appears in your Web browser, the first page that the... Switch is the logon screen. On this screen, you sub-menu tabs to easily perform advanced configuration tasks and view information about the Switch. Logging On to the Web Interface 23 Logging On to the Web Interface After...
User Guide
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...■ Modify VLAN membership for a port. ■ Rename a VLAN. ■ Remove a VLAN. ■ Display VLAN membership for the entire Switch. ■ Display individual port information. ■ Modify the port settings. System Access Contains tabs that allow you to upgrade the current firmware via HTTP....summary information. ■ Create a new user. ■ Modify existing users. ■ Remove existing users. Save Configuration Saves the Switch's configuration. Configures the ports. 24 CHAPTER 3: CONNECTING TO THE WEB INTERFACE Table 10 lists the available items on the menu. ...
...■ Modify VLAN membership for a port. ■ Rename a VLAN. ■ Remove a VLAN. ■ Display VLAN membership for the entire Switch. ■ Display individual port information. ■ Modify the port settings. System Access Contains tabs that allow you to upgrade the current firmware via HTTP....summary information. ■ Create a new user. ■ Modify existing users. ■ Remove existing users. Save Configuration Saves the Switch's configuration. Configures the ports. 24 CHAPTER 3: CONNECTING TO THE WEB INTERFACE Table 10 lists the available items on the menu. ...