User Guide
Page 4
... Priority 45 IP Phone Prioritization 46 List of Detected Phones 46 5 UPGRADING THE FIRMWARE Installing the 3Com TFTP Server 47 Setting Up the 3Com TFTP Server 48 Downloading Firmware Updates 48 Performing Firmware Upgrade 49 6 TROUBLESHOOTING Resetting to Factory Defaults 51 Forgotten Password 52 Forgotten Static IP Address 52 Solving LED Issues 52...
... Priority 45 IP Phone Prioritization 46 List of Detected Phones 46 5 UPGRADING THE FIRMWARE Installing the 3Com TFTP Server 47 Setting Up the 3Com TFTP Server 48 Downloading Firmware Updates 48 Performing Firmware Upgrade 49 6 TROUBLESHOOTING Resetting to Factory Defaults 51 Forgotten Password 52 Forgotten Static IP Address 52 Solving LED Issues 52...
User Guide
Page 12
... are numbered 25 and 26 on self-test is connected cor- rectly ■ If the unit still does not operate, contact your 3Com network supplier ■ Power-on the Switch. If the unit is supplied with four self-adhesive rubber pads. Only use The unit is not receiving power: ■ Verify that... to be part of a free-standing stack, apply the pads to each marked corner area on the rear panel to reset the Switch to its factory defaults. 12 CHAPTER 1: INTRODUCING THE BASELINE SWITCH Ports 25 and 26 are not configured to provide Power over the 10/100/1000 port of the same number. SFP...
... are numbered 25 and 26 on self-test is connected cor- rectly ■ If the unit still does not operate, contact your 3Com network supplier ■ Power-on the Switch. If the unit is supplied with four self-adhesive rubber pads. Only use The unit is not receiving power: ■ Verify that... to be part of a free-standing stack, apply the pads to each marked corner area on the rear panel to reset the Switch to its factory defaults. 12 CHAPTER 1: INTRODUCING THE BASELINE SWITCH Ports 25 and 26 are not configured to provide Power over the 10/100/1000 port of the same number. SFP...
User Guide
Page 13
... tion, refer to "Resetting to Factory Defaults" on page 51. Package Contents The 3Com Baseline Switch 2226-PWR Plus package includes the following items: ■ One 3Com Baseline Switch 2226-PWR Plus unit ■ One power cord ■ Four standard height, self-adhesive rubber pads ■ One mounting kit ■ One CD-ROM, which contains this User Guide, the 3Com Discovery application, and the...
... tion, refer to "Resetting to Factory Defaults" on page 51. Package Contents The 3Com Baseline Switch 2226-PWR Plus package includes the following items: ■ One 3Com Baseline Switch 2226-PWR Plus unit ■ One power cord ■ Four standard height, self-adhesive rubber pads ■ One mounting kit ■ One CD-ROM, which contains this User Guide, the 3Com Discovery application, and the...
User Guide
Page 18
... LED turns green. This can happen if a ports or ports fail when the Switch was successfully completed. ■ Reset the Switch. To visit the 3Com Knowledgebase Web site, start your Web browser, and then enter http://knowledgebase.3com.com. ■ Contact your 3Com network supplier If POST fails, try powering on page 12 for 10 Mbps...
... LED turns green. This can happen if a ports or ports fail when the Switch was successfully completed. ■ Reset the Switch. To visit the 3Com Knowledgebase Web site, start your Web browser, and then enter http://knowledgebase.3com.com. ■ Contact your 3Com network supplier If POST fails, try powering on page 12 for 10 Mbps...
User Guide
Page 36
.... To propagate information about VLAN groups used on the Switch to access the Web interface. CAUTION: At least one VLAN at any time. Not a member ■ U - If this Switch to external devices, you will need to reset the Switch to the backbone of each VLAN. Use the uplink... port function to connect the Switch to factory settings. 36 CHAPTER 4: CONFIGURING THE SWITCH Communication between different VLANs can only be members of one...
.... To propagate information about VLAN groups used on the Switch to access the Web interface. CAUTION: At least one VLAN at any time. Not a member ■ U - If this Switch to external devices, you will need to reset the Switch to the backbone of each VLAN. Use the uplink... port function to connect the Switch to factory settings. 36 CHAPTER 4: CONFIGURING THE SWITCH Communication between different VLANs can only be members of one...
User Guide
Page 44
... analyzer), and a monitor port (the port that appear onscreen indicate the number of packets transmitted (Tx) and received (Rx). ■ To reset all packet counts to monitor the traffic of a particular port. The statistics page for each port, click the port number. Monitoring Traffic The...zero, click Clear Counters. ■ To view detailed statistics for the port appears, as shown in Figure 23. 44 CHAPTER 4: CONFIGURING THE SWITCH Figure 22 Statistics Screen Figure 23 Port Statistics Screen Figures that is defined, and you need to set up traffic monitoring, you to monitor ...
... analyzer), and a monitor port (the port that appear onscreen indicate the number of packets transmitted (Tx) and received (Rx). ■ To reset all packet counts to monitor the traffic of a particular port. The statistics page for each port, click the port number. Monitoring Traffic The...zero, click Clear Counters. ■ To view detailed statistics for the port appears, as shown in Figure 23. 44 CHAPTER 4: CONFIGURING THE SWITCH Figure 22 Statistics Screen Figure 23 Port Statistics Screen Figures that is defined, and you need to set up traffic monitoring, you to monitor ...
User Guide
Page 51
...Recovery button on , while keeping the Recovery button pressed. 3 Release the Recovery button. 4 Reset the Switch either by: ■ Accessing the Web interface using , and managing the Switch, with suggested courses of corrective action to its factory defaults. For more information. The Fail-Safe... listed here and you cannot solve it, check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your local technical support representative. The Switch will need to reconfigure the Switch after you reset it . You will perform automatic IP configuration after you...
...Recovery button on , while keeping the Recovery button pressed. 3 Release the Recovery button. 4 Reset the Switch either by: ■ Accessing the Web interface using , and managing the Switch, with suggested courses of corrective action to its factory defaults. For more information. The Fail-Safe... listed here and you cannot solve it, check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your local technical support representative. The Switch will need to reconfigure the Switch after you reset it . You will perform automatic IP configuration after you...
User Guide
Page 52
... following topics in good condition. ■ The SFP module is correctly inserted. ■ A 3Com SFP module is installed and correctly configured. There is required for 100BASE-TX or 1000BASE-T. 3Com recommends Category 5e or 6 cables for the port is off . A fiber cable is connected,...CHAPTER 6: TROUBLESHOOTING Forgotten Password If you forget the password to the Web interface after you set it, you need to reset the Switch to regain access. After resetting the Switch, you can be used for instructions. Category 5 cable is a problem with this connection. For information on using ...
... following topics in good condition. ■ The SFP module is correctly inserted. ■ A 3Com SFP module is installed and correctly configured. There is required for 100BASE-TX or 1000BASE-T. 3Com recommends Category 5e or 6 cables for the port is off . A fiber cable is connected,...CHAPTER 6: TROUBLESHOOTING Forgotten Password If you forget the password to the Web interface after you set it, you need to reset the Switch to regain access. After resetting the Switch, you can be used for instructions. Category 5 cable is a problem with this connection. For information on using ...
User Guide
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...-Safe mode. CAUTION: Before recovering the Switch, save the Switch's current configuration. To reset the Switch to its power budget. To upgrade a corrupted firmware: 1 Download the latest firmware from the 3Com Web site to the computer that the port has not had a power limit imposed upon it to the Switch 2226-PWR Plus, check the following information before returning...
...-Safe mode. CAUTION: Before recovering the Switch, save the Switch's current configuration. To reset the Switch to its power budget. To upgrade a corrupted firmware: 1 Download the latest firmware from the 3Com Web site to the computer that the port has not had a power limit imposed upon it to the Switch 2226-PWR Plus, check the following information before returning...
User Guide
Page 76
... 17 power-on self-test See POST prioritization IP phones 46 protocol defined 72 R rack-mounting 16 rear panel power supply 12 Recovery button 12 resetting to factory defaults 51 RJ-45 defined 72 ports 9 S safety information German 62 server defined 72 SFP ports 8, 11 SFP transceivers 19 approved (...supported) 19 inserting 19 removing 20 speed/duplex 35 spot checks 20 subnet mask 72 switch defined 72 T TCP/IP 71 defined 72 TFTP server See 3CSom TFTP Server traffic 73 monitoring 44 setting the priority 45 traffic prioritization 8, 45 ...
... 17 power-on self-test See POST prioritization IP phones 46 protocol defined 72 R rack-mounting 16 rear panel power supply 12 Recovery button 12 resetting to factory defaults 51 RJ-45 defined 72 ports 9 S safety information German 62 server defined 72 SFP ports 8, 11 SFP transceivers 19 approved (...supported) 19 inserting 19 removing 20 speed/duplex 35 spot checks 20 subnet mask 72 switch defined 72 T TCP/IP 71 defined 72 TFTP server See 3CSom TFTP Server traffic 73 monitoring 44 setting the priority 45 traffic prioritization 8, 45 ...