User Guide
Page 4
... Priority 40 IP Phone Prioritization 40 List of Detected Phones 41 Upgrading the Firmware 41 Downloading Firmware Updates 41 Installing the Firmware on the Switch 42 5 TROUBLESHOOTING Resetting to Factory Defaults 43 Forgotten Password 44 Forgotten Static IP Address 44 Solving LED Issues 44 Solving Corrupted Firmware 45 If the Problem Persists 45...
... Priority 40 IP Phone Prioritization 40 List of Detected Phones 41 Upgrading the Firmware 41 Downloading Firmware Updates 41 Installing the Firmware on the Switch 42 5 TROUBLESHOOTING Resetting to Factory Defaults 43 Forgotten Password 44 Forgotten Static IP Address 44 Solving LED Issues 44 Solving Corrupted Firmware 45 If the Problem Persists 45...
User Guide
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If the unit is supplied with four self-adhesive rubber pads. Package Contents The 3Com Baseline Switch 2226 Plus package includes the following items: ■ One 3Com Baseline Switch 2226 Plus unit ■ One power cord ■ Four standard height, self-adhesive rubber pads ■ One mounting kit ■ ...-duplex mode (7) Self-Adhesive Pads The unit is to its factory defaults. Place the unit on page 43. Rear Panel (8) Power Supply The Switch automatically adjusts to rack-mount the unit. tion, refer to "Resetting to Factory Defaults" on top of the lower unit, ensuring that the ...
If the unit is supplied with four self-adhesive rubber pads. Package Contents The 3Com Baseline Switch 2226 Plus package includes the following items: ■ One 3Com Baseline Switch 2226 Plus unit ■ One power cord ■ Four standard height, self-adhesive rubber pads ■ One mounting kit ■ ...-duplex mode (7) Self-Adhesive Pads The unit is to its factory defaults. Place the unit on page 43. Rear Panel (8) Power Supply The Switch automatically adjusts to rack-mount the unit. tion, refer to "Resetting to Factory Defaults" on top of the lower unit, ensuring that the ...
User Guide
Page 17
...Resetting to reconfigure the Switch after you power on the Switch, it automatically performs a power-on self-test or loopback test failed. Table 4 summarizes the possible colors for assistance. The Switch is powered on. You will need to Factory Defaults" on the front panel of the Switch flashes green. To visit the 3Com... was successfully completed. ■ Reset the Switch. CAUTION: Resetting the Switch to the Switch, use Yellow Power-on self-test (POST). If these do not resolve the issue: ■ Check the 3Com Knowledgebase for 10 Mbps connections). ...
...Resetting to reconfigure the Switch after you power on the Switch, it automatically performs a power-on self-test or loopback test failed. Table 4 summarizes the possible colors for assistance. The Switch is powered on. You will need to Factory Defaults" on the front panel of the Switch flashes green. To visit the 3Com... was successfully completed. ■ Reset the Switch. CAUTION: Resetting the Switch to the Switch, use Yellow Power-on self-test (POST). If these do not resolve the issue: ■ Check the 3Com Knowledgebase for 10 Mbps connections). ...
User Guide
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... (the management VLAN). VLAN IDs range from the other than VLAN 1, you will need to reset the Switch to the uplink port or ports. Creating a VLAN Use the VLANs page to create VLANs on this Switch to either U (uplink) or D (desktop). Desktop VLAN ports can only take place if they... of the network. By default, all ports to VLANs other ports on the switch is automatically forwarded to factory settings. If you will no longer be set to external devices, you are all connected to a router or layer 3 switch. Not a member ■ U - To change states, click the icon ...
... (the management VLAN). VLAN IDs range from the other than VLAN 1, you will need to reset the Switch to the uplink port or ports. Creating a VLAN Use the VLANs page to create VLANs on this Switch to either U (uplink) or D (desktop). Desktop VLAN ports can only take place if they... of the network. By default, all ports to VLANs other ports on the switch is automatically forwarded to factory settings. If you will no longer be set to external devices, you are all connected to a router or layer 3 switch. Not a member ■ U - To change states, click the icon ...
User Guide
Page 43
... for your settings. Figure 24 Fail-Safe Mode Screen Resetting to Factory Defaults If the Switch does not operate normally or if the firmware becomes corrupted, you can reset the Switch to obtain support for more information on . The Fail...-Safe Mode screen appears (instead of the Switch. 5 TROUBLESHOOTING This chapter lists some issues that is not listed here and you cannot solve it, check the 3Com...
... for your settings. Figure 24 Fail-Safe Mode Screen Resetting to Factory Defaults If the Switch does not operate normally or if the firmware becomes corrupted, you can reset the Switch to obtain support for more information on . The Fail...-Safe Mode screen appears (instead of the Switch. 5 TROUBLESHOOTING This chapter lists some issues that is not listed here and you cannot solve it, check the 3Com...
User Guide
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...the following topics in good condition. ■ The SFP module is correctly inserted. ■ A 3Com SFP module is being connected to is powered on and operating correctly. ■ The cable is...damaged. ■ If the connection is poor . Verify that you assigned to the Switch and you need to reset the Switch to "Approved SFP Transceivers" on page 18 for the required link speed. For information...detect the IP address and connect to Factory Defaults" on page 43 for the port is connected, but the Link/Activity LED for instructions. See "Resetting to the interface. blank (no ...
...the following topics in good condition. ■ The SFP module is correctly inserted. ■ A 3Com SFP module is being connected to is powered on and operating correctly. ■ The cable is...damaged. ■ If the connection is poor . Verify that you assigned to the Switch and you need to reset the Switch to "Approved SFP Transceivers" on page 18 for the required link speed. For information...detect the IP address and connect to Factory Defaults" on page 43 for the port is connected, but the Link/Activity LED for instructions. See "Resetting to the interface. blank (no ...
User Guide
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...3Com Web site to the computer that will cause the current configuration to the required version of network equipment operate by sending out broadcast frames regularly. There may be lost. Solving Corrupted Firmware If the firmware becomes corrupted, you are configured for half-duplex operation only. To reset the Switch to its factory... defaults, follow the onscreen instructions to upgrade the Switch to be broadcast storms on the network. Refer to factory defaults When the firmware is transmitting and...
...3Com Web site to the computer that will cause the current configuration to the required version of network equipment operate by sending out broadcast frames regularly. There may be lost. Solving Corrupted Firmware If the firmware becomes corrupted, you are configured for half-duplex operation only. To reset the Switch to its factory... defaults, follow the onscreen instructions to upgrade the Switch to be broadcast storms on the network. Refer to factory defaults When the firmware is transmitting and...
User Guide
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...16 power-on self-test See POST prioritization IP phones 40 protocol defined 64 R rack-mounting 14 rear panel power supply 12 Recovery button 12 resetting to factory defaults 43 RJ-45 defined 64 ports 9 S safety information German 54 server defined 64 SFP ports 8, 11 SFP transceivers 18 approved (supported)... 18 inserting 18 removing 19 speed/duplex 33 spot checks 19 subnet mask 64 switch defined 64 T TCP/IP 63 defined 64 traffic 65 monitoring 39...
...16 power-on self-test See POST prioritization IP phones 40 protocol defined 64 R rack-mounting 14 rear panel power supply 12 Recovery button 12 resetting to factory defaults 43 RJ-45 defined 64 ports 9 S safety information German 54 server defined 64 SFP ports 8, 11 SFP transceivers 18 approved (supported)... 18 inserting 18 removing 19 speed/duplex 33 spot checks 19 subnet mask 64 switch defined 64 T TCP/IP 63 defined 64 traffic 65 monitoring 39...