User Manual
Page 4
... 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 A OBTAINING SUPPORT FOR YOUR PRODUCT Register Your...
... 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 A OBTAINING SUPPORT FOR YOUR PRODUCT Register Your...
User Manual
Page 24
...then using Discovery. Click to the Web interface. If you do not configure the Switch's IP address settings, it will perform auto IP configuration to assign an IP address to itself . To determine the IP address that you have made ■ Cancel - 24 CHAPTER 3: CONNECTING TO THE WEB...itself during auto IP configuration, check the sticker on the Switch. If you know the Switch's IP address, you can perform on the Switch. This sticker contains the MAC address and default IP address of packets received and transmitted from the 3Com Web site. DHCP Assigned IP Address If you...
...then using Discovery. Click to the Web interface. If you do not configure the Switch's IP address settings, it will perform auto IP configuration to assign an IP address to itself . To determine the IP address that you have made ■ Cancel - 24 CHAPTER 3: CONNECTING TO THE WEB...itself during auto IP configuration, check the sticker on the Switch. If you know the Switch's IP address, you can perform on the Switch. This sticker contains the MAC address and default IP address of packets received and transmitted from the 3Com Web site. DHCP Assigned IP Address If you...
User Manual
Page 28
...DHCP Client Shows Enable if the Switch obtained its MAC address table. tration Password screen appears. 2 In Old Password, type your network. By default, the Switch does not have any ) that you set the admin password: 1 On the menu, click Password. Otherwise, this screen or if..., 3Com recommends that is set to print out the information on this screen. Changing the Admin Password To prevent unauthorized users from a DHCP server or you manually set it Subnet Mask Displays the subnet mask that is password-protected. The Change Adminis- IP Address Displays the IP address...
...DHCP Client Shows Enable if the Switch obtained its MAC address table. tration Password screen appears. 2 In Old Password, type your network. By default, the Switch does not have any ) that you set the admin password: 1 On the menu, click Password. Otherwise, this screen or if..., 3Com recommends that is set to print out the information on this screen. Changing the Admin Password To prevent unauthorized users from a DHCP server or you manually set it Subnet Mask Displays the subnet mask that is password-protected. The Change Adminis- IP Address Displays the IP address...
User Manual
Page 29
...through the following sequence of steps: 1 The Switch tries to configure itself . This sticker contains the MAC address and default IP address of its IP address. To detect its MAC address. The IP address would be able to connect to be 169.254.1.2. This is found. For example, if the MAC address ...5 Click Apply. If you set a password, leave this field blank. 3 In New Password, type the password that the Switch assigns to itself . 2 If this default IP address is already in a standalone mode, or no other switches on the network have not previously set it - Modifying the...
...through the following sequence of steps: 1 The Switch tries to configure itself . This sticker contains the MAC address and default IP address of its IP address. To detect its MAC address. The IP address would be able to connect to be 169.254.1.2. This is found. For example, if the MAC address ...5 Click Apply. If you set a password, leave this field blank. 3 In New Password, type the password that the Switch assigns to itself . 2 If this default IP address is already in a standalone mode, or no other switches on the network have not previously set it - Modifying the...
User Manual
Page 30
... an IP address to the Switch IP Address Specify an IP address that displays the Switch's MAC or physical address 3 After you have a DHCP server on the menu. The default subnet mask is set the IP address for VLAN 1. 30 CHAPTER 4: CONFIGURING THE SWITCH 3Com recommends ...using DHCP or assigning a static IP address) to Static. Select this option if you configure the Switch's IP address settings, click Apply to the Switch...
... an IP address to the Switch IP Address Specify an IP address that displays the Switch's MAC or physical address 3 After you have a DHCP server on the menu. The default subnet mask is set the IP address for VLAN 1. 30 CHAPTER 4: CONFIGURING THE SWITCH 3Com recommends ...using DHCP or assigning a static IP address) to Static. Select this option if you configure the Switch's IP address settings, click Apply to the Switch...
User Manual
Page 41
By default, this option, and then type the OUI in the IP Phone Prioritization section to save your changes. To display a phone that you normally use to access the Switch's Web interface, start the Web browser, and then enter www.3com.com in the Address or Location bar. 2 Click Support... You can periodically check the 3Com Web site (www.3Com.com) for firmware updates to the Switch. Disable Phone Prioritiza- The Search for Downloads page appears. 3 In Enter a Product Number, enter 3C16475BS, and then click Quick Search. 3C16475BS is the first 24 bits of IP phones that are detected and...
By default, this option, and then type the OUI in the IP Phone Prioritization section to save your changes. To display a phone that you normally use to access the Switch's Web interface, start the Web browser, and then enter www.3com.com in the Address or Location bar. 2 Click Support... You can periodically check the 3Com Web site (www.3Com.com) for firmware updates to the Switch. Disable Phone Prioritiza- The Search for Downloads page appears. 3 In Enter a Product Number, enter 3C16475BS, and then click Quick Search. 3C16475BS is the first 24 bits of IP phones that are detected and...
User Manual
Page 43
See "Automatic IP Configuration" on page 29 for your Switch, refer to its factory defaults: 1 Using...screen) after you perform steps 1 to 3 of corrective action to its factory defaults. If you encounter an issue that you may encounter while installing, using, and ...more information. CAUTION: Resetting the Switch to take. Resetting to Factory Defaults If the Switch does not operate normally or if the firmware becomes ...will need to its factory defaults erases all your settings. Figure 24 Fail-Safe Mode Screen You will perform automatic IP configuration after you reset it...
See "Automatic IP Configuration" on page 29 for your Switch, refer to its factory defaults: 1 Using...screen) after you perform steps 1 to 3 of corrective action to its factory defaults. If you encounter an issue that you may encounter while installing, using, and ...more information. CAUTION: Resetting the Switch to take. Resetting to Factory Defaults If the Switch does not operate normally or if the firmware becomes ...will need to its factory defaults erases all your settings. Figure 24 Fail-Safe Mode Screen You will perform automatic IP configuration after you reset it...
User Manual
Page 44
For information on using the default admin account settings: ■ User name - Verify that: ■ The device being connected to is powered on basic LED checks, refer to the following topics in good condition. ■ The SFP module is correctly inserted. ■ A 3Com SFP module is being used for ...to the Web interface after you set it, you will need to access the Web interface, use the Discovery application to automatically detect the IP address and connect to the interface. After resetting the Switch, you need to reset the Switch to regain access. Category 5 cable is required...
For information on using the default admin account settings: ■ User name - Verify that: ■ The device being connected to is powered on basic LED checks, refer to the following topics in good condition. ■ The SFP module is correctly inserted. ■ A 3Com SFP module is being used for ...to the Web interface after you set it, you will need to access the Web interface, use the Discovery application to automatically detect the IP address and connect to the interface. After resetting the Switch, you need to reset the Switch to regain access. Category 5 cable is required...
User Manual
Page 67
INDEX Numbers 1000BASE-LX 61 1000BASE-SX 61 1000BASE-T 61 100BASE-TX 61 10BASE-T 61 A auto IP configuration 29 default IP address 29 default mask 29 autonegotiation 7, 32 autosensing 7 B bandwidth 61 C client 62 configuration overview 27 connecting network device 17 SFP transceivers 18 conventions notice icons, About...DHCP 62 Discovery 21 dynamic host control protocol See DHCP E Ethernet 62 F fail-safe mode 43, 45 Fast Ethernet 62 flow control 33 forgotten IP address 44 forgotten password 44 free-standing 14 front panel Duplex LEDs 12 Link/Activity LEDs 10 Module Active LEDs 10 Power LED 11 RJ...
INDEX Numbers 1000BASE-LX 61 1000BASE-SX 61 1000BASE-T 61 100BASE-TX 61 10BASE-T 61 A auto IP configuration 29 default IP address 29 default mask 29 autonegotiation 7, 32 autosensing 7 B bandwidth 61 C client 62 configuration overview 27 connecting network device 17 SFP transceivers 18 conventions notice icons, About...DHCP 62 Discovery 21 dynamic host control protocol See DHCP E Ethernet 62 F fail-safe mode 43, 45 Fast Ethernet 62 flow control 33 forgotten IP address 44 forgotten password 44 free-standing 14 front panel Duplex LEDs 12 Link/Activity LEDs 10 Module Active LEDs 10 Power LED 11 RJ...
User Manual
Page 68
... SFP 8, 11 positioning 13 POST 17 powering on 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... 44 forgotten password 44 LED-related issues 44 POST failed 17 trunking See link aggregation U user name default 28 V viewing detected IP phones 41 individual port statistics 38 port settings 31 statistics 38 status information 27 VLANs 33 creating 34, 36 desktop 34 maximum supported 33 not ...
... SFP 8, 11 positioning 13 POST 17 powering on 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... 44 forgotten password 44 LED-related issues 44 POST failed 17 trunking See link aggregation U user name default 28 V viewing detected IP phones 41 individual port statistics 38 port settings 31 statistics 38 status information 27 VLANs 33 creating 34, 36 desktop 34 maximum supported 33 not ...