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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... 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 14 Rack-Mounting or Free-Standing 14 Using the Mounting 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 Transceivers 18 Inserting an SFP Transceiver...
... 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 14 Rack-Mounting or Free-Standing 14 Using the Mounting 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 Transceivers 18 Inserting an SFP Transceiver...
User Guide
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...für die Installation und das einstellen von Netzwerkkomponenten verantwortlich sind; sie setzt Erfahrung bei. Consequently, it appears on the 3Com World Wide Web site: http://www.3com.com Conventions Table 1 and Table 2 list conventions that alerts you see the word "enter" in Adobe Acrobat Reader Portable... this guide, you to potential loss of LANs (local area networks). Most user guides and release notes are shipped with your Switch and perform initial management configurations. Do not press Return or Enter when an instruction simply says "type." If release notes are ...
...für die Installation und das einstellen von Netzwerkkomponenten verantwortlich sind; sie setzt Erfahrung bei. Consequently, it appears on the 3Com World Wide Web site: http://www.3com.com Conventions Table 1 and Table 2 list conventions that alerts you see the word "enter" in Adobe Acrobat Reader Portable... this guide, you to potential loss of LANs (local area networks). Most user guides and release notes are shipped with your Switch and perform initial management configurations. Do not press Return or Enter when an instruction simply says "type." If release notes are ...
User Guide
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... to you perform tasks using the Web interface. ■ Release Notes - Please e-mail comments about this document to 3Com at this guide, each 3Com Baseline Switch 2250 Plus documentation set includes the following information when contacting us: ■ 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...
... to you perform tasks using the Web interface. ■ Release Notes - Please e-mail comments about this document to 3Com at this guide, each 3Com Baseline Switch 2250 Plus documentation set includes the following information when contacting us: ■ 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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...100 Mbps port automatically determines the speed and duplex mode of the Baseline Switch 2250 Plus The 3Com® Baseline Switch 2250 Plus is ideal for users who want the high-speed performance of 10/100 switching with two Small Form Factor Pluggable (SFP) transceiver slots on the front... a 'crossover' TP cable. The 10/100 Mbps connections on these SFP transceiver slots for use unmanaged switch. Autosensing of the 3Com® Baseline Switch 2250 Plus. Features and Capabilities The Switch has 48 shielded RJ-45, 10/100 Mbps auto-negotiating ports and two 10/100/1000BASE-T ports that...
...100 Mbps port automatically determines the speed and duplex mode of the Baseline Switch 2250 Plus The 3Com® Baseline Switch 2250 Plus is ideal for users who want the high-speed performance of 10/100 switching with two Small Form Factor Pluggable (SFP) transceiver slots on the front... a 'crossover' TP cable. The 10/100 Mbps connections on these SFP transceiver slots for use unmanaged switch. Autosensing of the 3Com® Baseline Switch 2250 Plus. Features and Capabilities The Switch has 48 shielded RJ-45, 10/100 Mbps auto-negotiating ports and two 10/100/1000BASE-T ports that...
User Guide
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...It differentiates traffic into classes and prioritizes those classes automatically. Traffic prioritization uses the multiple traffic queues that traffic. Traffic Prioritization The Switch offers priority queuing, which relates to a particular type of using SFP transceivers to comply with 802.1p, VLAN tagged frames.... to ensure that high priority data is forwarded through the normal or high priority channel. This offers you can configure 3Com Baseline Switch 2250 Plus to forward or to block and discard bridge protocol data unit (BPDU) packets to detect Traffic prioritization ensures...
...It differentiates traffic into classes and prioritizes those classes automatically. Traffic prioritization uses the multiple traffic queues that traffic. Traffic Prioritization The Switch offers priority queuing, which relates to a particular type of using SFP transceivers to comply with 802.1p, VLAN tagged frames.... to ensure that high priority data is forwarded through the normal or high priority channel. This offers you can configure 3Com Baseline Switch 2250 Plus to forward or to block and discard bridge protocol data unit (BPDU) packets to detect Traffic prioritization ensures...
User Guide
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...de données. WARNHINWEIS: RJ-45-Porte. Nur RJ-45-Datenanscluße, Telefonnetzsysteme or Netztelefone an diese Steckdosen anschließen. The Switch has 48 10/100 Mbps autonegotiating ports (ports 1 to these data sockets. Physical Features Figure 1 shows the front and rear panels of ...geschützte Datensteckdosen. 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. Their speed and duplex mode They cannot be connected to "Spanning Tree" on configuring BPDU forwarding ...
...de données. WARNHINWEIS: RJ-45-Porte. Nur RJ-45-Datenanscluße, Telefonnetzsysteme or Netztelefone an diese Steckdosen anschließen. The Switch has 48 10/100 Mbps autonegotiating ports (ports 1 to these data sockets. Physical Features Figure 1 shows the front and rear panels of ...geschützte Datensteckdosen. 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. Their speed and duplex mode They cannot be connected to "Spanning Tree" on configuring BPDU forwarding ...
User Guide
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... Ports Status Meaning Green Link established, operating at 100 Mbps Yellow Link established, operating at 100 Mbps 10 CHAPTER 1: INTRODUCING THE BASELINE SWITCH (half-duplex or full-duplex) are automatically determined by the capabilities of the same number. The 1000BASE-T RJ-45 ports support automatic ...when an SFP transceiver is plugged in full-duplex mode). In such a configuration, you may notice some degradation of network performance. 3Com recommends that autonegotiation is enabled, if it has priority over the 10/100/1000 port of the connected device. If an SFP ...
... Ports Status Meaning Green Link established, operating at 100 Mbps Yellow Link established, operating at 100 Mbps 10 CHAPTER 1: INTRODUCING THE BASELINE SWITCH (half-duplex or full-duplex) are automatically determined by the capabilities of the same number. The 1000BASE-T RJ-45 ports support automatic ...when an SFP transceiver is plugged in full-duplex mode). In such a configuration, you may notice some degradation of network performance. 3Com recommends that autonegotiation is enabled, if it has priority over the 10/100/1000 port of the connected device. If an SFP ...
User Guide
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...intend to the supply voltage. For more information, refer to "Resetting to factory defaults. 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 Factory Defaults" on top of the lower unit, ensuring that your 3Com network supplier immediately. Place the unit on page 59. If this User Guide and the...
...intend to the supply voltage. For more information, refer to "Resetting to factory defaults. 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 Factory Defaults" on top of the lower unit, ensuring that your 3Com network supplier immediately. Place the unit on page 59. If this User Guide and the...
User Guide
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... Air flow around the unit and through the vents in the side of the case is not restricted (3Com Positioning the Switch The Switch is away from the Switch or carrying out any components from sources of this guide. Avant d'installer ou d'enlever tout composant du...: Safety Information. Before installing or removing any maintenance procedures, read the safety information provided in Appendix B of electrical noise. Alternatively, the Switch can be free-standing or mounted in a standard 19-inch equipment rack. iten verrichten, lesen Sie die Sicherheitsanweisungen, die in Appendix B ...
... Air flow around the unit and through the vents in the side of the case is not restricted (3Com Positioning the Switch The Switch is away from the Switch or carrying out any components from sources of this guide. Avant d'installer ou d'enlever tout composant du...: Safety Information. Before installing or removing any maintenance procedures, read the safety information provided in Appendix B of electrical noise. Alternatively, the Switch can be free-standing or mounted in a standard 19-inch equipment rack. iten verrichten, lesen Sie die Sicherheitsanweisungen, die in Appendix B ...
User Guide
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...9632; 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 ist. ■ Es unwahrscheinlich ist das die Betriebstemperatur überschritten wird. 3Com empfiehlt das Sie den Switch in a free-standing stack of unit, if already fitted. CAUTION: Before continuing, disconnect all cables from the underside of different ...
...9632; 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 ist. ■ Es unwahrscheinlich ist das die Betriebstemperatur überschritten wird. 3Com empfiehlt das Sie den Switch in a free-standing stack of unit, if already fitted. CAUTION: Before continuing, disconnect all cables from the underside of different ...
User Guide
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... no ON/OFF switch; If the Power LED turns yellow after POST. Table 8 summarizes the possible colors for more information. 2 Plug the other . Installing proper grounding helps to avoid damage from sags and surges to avoid unforeseen network outages. 3Com recommends that you must be positioned ...at each other , you install power conditioning, especially in your system is clean and free from lightning and power surges. When the Switch is powered on page 12 for use During POST...
... no ON/OFF switch; If the Power LED turns yellow after POST. Table 8 summarizes the possible colors for more information. 2 Plug the other . Installing proper grounding helps to avoid damage from sags and surges to avoid unforeseen network outages. 3Com recommends that you must be positioned ...at each other , you install power conditioning, especially in your system is clean and free from lightning and power surges. When the Switch is powered on page 12 for use During POST...
User Guide
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... your settings. For 1000BASE-T operation, 3Com recommends using Category 5e or 6 cables. You will need to the appropriate RJ-45 port on page 59. 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...
... your settings. For 1000BASE-T operation, 3Com recommends using Category 5e or 6 cables. You will need to the appropriate RJ-45 port on page 59. 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...
User Guide
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...can remove them from an SFP slot. 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-optic cable. ■ 1000BASE-LX SFP transceiver...visible, as valid, the SFP transceiver must be one of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this URL into your Internet browser: http://www.3com.com 3Com recommends using a conditioned launch cable. If you and the product label is closed (...
...can remove them from an SFP slot. 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-optic cable. ■ 1000BASE-LX SFP transceiver...visible, as valid, the SFP transceiver must be one of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this URL into your Internet browser: http://www.3com.com 3Com recommends using a conditioned launch cable. If you and the product label is closed (...
User Guide
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... to the unit. Regular checks can be least effect on users. 3Com recommends periodically checking the items listed in Table 9. Removing an SFP Transceiver Removing an SFP transceiver does not require powering off the Switch. To remove an SFP transceiver: 1 Disconnect the cable from the front...). The fan is pointing toward you. 3 Pull the wire release lever toward you an early warning of the Switch to ensure that the cooling fan is operating correctly. Performing Spot Checks At frequent intervals, you experience any problems can then be attended ...
... to the unit. Regular checks can be least effect on users. 3Com recommends periodically checking the items listed in Table 9. Removing an SFP Transceiver Removing an SFP transceiver does not require powering off the Switch. To remove an SFP transceiver: 1 Disconnect the cable from the front...). The fan is pointing toward you. 3 Pull the wire release lever toward you an early warning of the Switch to ensure that the cooling fan is operating correctly. Performing Spot Checks At frequent intervals, you experience any problems can then be attended ...
User Guide
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20 CHAPTER 2: INSTALLING THE SWITCH
20 CHAPTER 2: INSTALLING THE SWITCH
User Guide
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...does not start automatically. The following topics are available on 3Com Baseline Switch 2250 Plus CD-ROM that is supplied with options to the Switch on the network. If you only want the Switch to function as a basic layer 2 switch, you do the following : ■ The Discovery ...application, which is connected 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 you can...
...does not start automatically. The following topics are available on 3Com Baseline Switch 2250 Plus CD-ROM that is supplied with options to the Switch on the network. If you only want the Switch to function as a basic layer 2 switch, you do the following : ■ The Discovery ...application, which is connected 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 you can...
User Guide
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.... 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. If the computer has only one adapter, click Next. Figure 5 Welcome Screen of ... of Discovery Figure 6 Discovered Devices Screen 2 If the computer has multiple network adapters, select the adapter that connects the computer to the Switch, and then click Next. Discovery searches the network for the 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. If the computer has only one adapter, click Next. Figure 5 Welcome Screen of ... of Discovery Figure 6 Discovered Devices Screen 2 If the computer has multiple network adapters, select the adapter that connects the computer to the Switch, and then click Next. Discovery searches the network for the Web interface appears.
User Guide
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...the Web interface loads in the main part of the Web interface. Menu System Information On this screen, you to the Web interface. Figure 8 Switch Screen Layout Sub-Menu Tabs To log on to choose from. Figure 7 Logon Dialog Box Navigating the Web Interface The Web interface has been designed...enable you need to enter the administration user name and password to gain access to easily perform advanced configuration tasks and view information about the Switch. Some menu items will give you click an item on the left side of the interface. Menu The menu is located on the menu,...
...the Web interface loads in the main part of the Web interface. Menu System Information On this screen, you to the Web interface. Figure 8 Switch Screen Layout Sub-Menu Tabs To log on to choose from. Figure 7 Logon Dialog Box Navigating the Web Interface The Web interface has been designed...enable you need to enter the administration user name and password to gain access to easily perform advanced configuration tasks and view information about the Switch. Some menu items will give you click an item on the left side of the interface. Menu The menu is located on the menu,...
User Guide
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... items on the menu. Administration Manages the device. IP Setup Allows you to : ■ Display selected port information for the entire Switch. ■ Display individual port information. ■ Modify the port settings. Backup Configuration Allows you to restore a saved configuration. Allows... IGMP Query Broadcast Storm Port Administration Description Contains tabs that allow you to configure a Spanning Tree Protocol. Allows you to reset the Switch to : ■ Display SNMP summary information. ■ Enable or disable SNMP. ■ Add community strings. ■ Remove ...
... items on the menu. Administration Manages the device. IP Setup Allows you to : ■ Display selected port information for the entire Switch. ■ Display individual port information. ■ Modify the port settings. Backup Configuration Allows you to restore a saved configuration. Allows... IGMP Query Broadcast Storm Port Administration Description Contains tabs that allow you to configure a Spanning Tree Protocol. Allows you to reset the Switch to : ■ Display SNMP summary information. ■ Enable or disable SNMP. ■ Add community strings. ■ Remove ...