User Guide
Page 10
C PIN-OUTS Console Cable 189 Null Modem Cable 190 PC-AT Serial Cable 190 Modem Cable 190 Ethernet Port RJ-45 Pin Assignments 191 D TROUBLESHOOTING Problem Management 192 Troubleshooting Solutions 192 E 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface 195 CLI Commands 196 F GLOSSARY ...206 G OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS Register Your Product to Gain Service Benefits 212 Solve Problems Online 212 Purchase Extended Warranty and Professional Services 212 Access Software Downloads 213 Contact Us 213 REGULATORY NOTICES
C PIN-OUTS Console Cable 189 Null Modem Cable 190 PC-AT Serial Cable 190 Modem Cable 190 Ethernet Port RJ-45 Pin Assignments 191 D TROUBLESHOOTING Problem Management 192 Troubleshooting Solutions 192 E 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface 195 CLI Commands 196 F GLOSSARY ...206 G OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS Register Your Product to Gain Service Benefits 212 Solve Problems Online 212 Purchase Extended Warranty and Professional Services 212 Access Software Downloads 213 Contact Us 213 REGULATORY NOTICES
User Guide
Page 15
... on the front panel AC Input voltage Power consumption (full load) Operating temperature Relative humidity Switch 2916-SFP Plus 16-Port 3CBLSG16 Switch 2924-SFP Plus 24-Port 3CBLSG24 44×440×173 mm (1.73 17.3 6.81 in.) 2.0 kg (4.4 lb) One Console port 16 × 10/100/100 Mbps Ethernet ports 24 × 10/100/100...
... on the front panel AC Input voltage Power consumption (full load) Operating temperature Relative humidity Switch 2916-SFP Plus 16-Port 3CBLSG16 Switch 2924-SFP Plus 24-Port 3CBLSG24 44×440×173 mm (1.73 17.3 6.81 in.) 2.0 kg (4.4 lb) One Console port 16 × 10/100/100 Mbps Ethernet ports 24 × 10/100/100...
User Guide
Page 17
...3Com CLI Reference Guide" on the switch. Web Interface Each switch has an internal set of web pages that allow you have to access the management software that resides on page 195. Setting Up for Management 17 Setting Up for basic operations of accessing the management software to manage a switch.... It covers the following methods: ■ Web Interface Management ■ SNMP Management In addition, you to manage Management the switch using the Console Port ■ Setting Up Web Interface Management ■...
...3Com CLI Reference Guide" on the switch. Web Interface Each switch has an internal set of web pages that allow you have to access the management software that resides on page 195. Setting Up for Management 17 Setting Up for basic operations of accessing the management software to manage a switch.... It covers the following methods: ■ Web Interface Management ■ SNMP Management In addition, you to manage Management the switch using the Console Port ■ Setting Up Web Interface Management ■...
User Guide
Page 19
... IP Information Setup Do you do you want to connect to actively manage your switch from unauthorized access, you must change the default password as soon as possible, even if you want to the console port and use the Command Line Interface. Plug and Play Setup Is a DHCP... server present? See page 26 CAUTION: To protect your switch. Switch Setup Overview 19 Figure 5 Initial Switch Setup and Management Flow Diagram Power Up the Switch. Yes No IP Information is ...
... IP Information Setup Do you do you want to connect to actively manage your switch from unauthorized access, you must change the default password as soon as possible, even if you want to the console port and use the Command Line Interface. Plug and Play Setup Is a DHCP... server present? See page 26 CAUTION: To protect your switch. Switch Setup Overview 19 Figure 5 Initial Switch Setup and Management Flow Diagram Power Up the Switch. Yes No IP Information is ...
User Guide
Page 20
... Work through the "Viewing IP Information using DHCP By default the switch tries to be difficult to the switch. Most DHCP servers allow static IP addresses to configure its MAC address. Automatic IP Configuration using the Console Port" on the network. The default IP address is 169.254....x.y, where x and y are the last two bytes of the switch. It tries to allocate IP information, or ■ flexibility is needed....
... Work through the "Viewing IP Information using DHCP By default the switch tries to be difficult to the switch. Most DHCP servers allow static IP addresses to configure its MAC address. Automatic IP Configuration using the Console Port" on the network. The default IP address is 169.254....x.y, where x and y are the last two bytes of the switch. It tries to allocate IP information, or ■ flexibility is needed....
User Guide
Page 21
...about the CLI, refer to "3Com CLI Reference Guide" on page 22. Connecting to the This section describes how to connect to your switch through the "Manually set the IP address, or to manually set the IP Address using the console port directly. ■ Documentation ... as it is always allocated the same IP information.) For most installations, 3Com recommends that was assigned automatically (for example, by a DHCP server). Prerequisites ■ A workstation with your switch, work through the Console Port Console port. Using the Command Line Interface (CLI) You can find pin-out...
...about the CLI, refer to "3Com CLI Reference Guide" on page 22. Connecting to the This section describes how to connect to your switch through the "Manually set the IP address, or to manually set the IP Address using the console port directly. ■ Documentation ... as it is always allocated the same IP information.) For most installations, 3Com recommends that was assigned automatically (for example, by a DHCP server). Prerequisites ■ A workstation with your switch, work through the Console Port Console port. Using the Command Line Interface (CLI) You can find pin-out...
User Guide
Page 22
...; no hardware flow control Refer to match the default settings for more information. 3 Power up the switch. The Switch 2916 and 2924 takes approximately one minute to the Switch using the Console Port Workstation (with IP information using the console cable as shown in Figure 6. The Power on Self Test (POST) will be set up the...
...; no hardware flow control Refer to match the default settings for more information. 3 Power up the switch. The Switch 2916 and 2924 takes approximately one minute to the Switch using the Console Port Workstation (with IP information using the console cable as shown in Figure 6. The Power on Self Test (POST) will be set up the...
User Guide
Page 23
...within one minute. 2 The command line interface login sequence begins as soon as the switch detects a connection to its console port. Using the Command Line Interface (CLI) 23 1 Connect to the switch Console port as described in "Connecting to the Console Port" page 21. When the process completes, the Login prompt displays. 3 At... enter admin as your user name and press Return. 4 At the password prompt, press Return.If you to set up . 1 Connect to the switch Console port as follows: ipSetup xxx.xxx.xxx.xxx mmm.mmm.mmm.mmm and then press Enter. (Note: xxx.xxx.xxx.xxx is the IP address...
...within one minute. 2 The command line interface login sequence begins as soon as the switch detects a connection to its console port. Using the Command Line Interface (CLI) 23 1 Connect to the switch Console port as described in "Connecting to the Console Port" page 21. When the process completes, the Login prompt displays. 3 At... enter admin as your user name and press Return. 4 At the password prompt, press Return.If you to set up . 1 Connect to the switch Console port as follows: ipSetup xxx.xxx.xxx.xxx mmm.mmm.mmm.mmm and then press Enter. (Note: xxx.xxx.xxx.xxx is the IP address...
User Guide
Page 24
For more information about the CLI, refer to set up your switch is now complete and the switch is an example of Managing a Switch" on page 195. See "Methods of the display from the Summary command. Select menu option# summary IP Method: default IP address: 169.254.... intend to use the command line interface using the console port to view a summary of your chosen management method. The following is ready for you to "3Com CLI Reference Guide" on page 17. 24 CHAPTER 1: GETTING STARTED 5 Enter Summary to manage the switch, you can logout, disconnect the serial cable and...
For more information about the CLI, refer to set up your switch is now complete and the switch is an example of Managing a Switch" on page 195. See "Methods of the display from the Summary command. Select menu option# summary IP Method: default IP address: 169.254.... intend to use the command line interface using the console port to view a summary of your chosen management method. The following is ready for you to "3Com CLI Reference Guide" on page 17. 24 CHAPTER 1: GETTING STARTED 5 Enter Summary to manage the switch, you can logout, disconnect the serial cable and...
User Guide
Page 26
... ping command at the password prompt (or the password of all ports on the switch are in VLAN 1 (the Default VLAN). To display and configure SNMP management parameters, refer to the switch using the Console Port" on page 23. 2 Check that your management workstation is on page 20..., and "Viewing IP Information using a port in VLAN 1. See "3Com Network Management" on page 135. By default, all sizes and ...
... ping command at the password prompt (or the password of all ports on the switch are in VLAN 1 (the Default VLAN). To display and configure SNMP management parameters, refer to the switch using the Console Port" on page 23. 2 Check that your management workstation is on page 20..., and "Viewing IP Information using a port in VLAN 1. See "3Com Network Management" on page 135. By default, all sizes and ...
User Guide
Page 169
The monitor users have no access to this page. Console logs are : ■ Checked - The possible field values are enabled by default. To define Log Parameters: 1 Click Administration > Logging > Setup. Disables device logs. Enables device ...
The monitor users have no access to this page. Console logs are : ■ Checked - The possible field values are enabled by default. To define Log Parameters: 1 Click Administration > Logging > Setup. Disables device logs. Enables device ...
User Guide
Page 182
...by allowing the administrator to easily control network access directly from connecting to the network. 3Com Network Access Manager leverages the advanced desktop security capabilities of 3Com switches and wireless access points (using 3ND you manage your network is a standalone application that... to : www.3com.com/NAM To find out more about how 3Com Network Director can help you can be blocked from the "Users and Computers" console in Microsoft Active Directory. 182 APPENDIX A: 3COM NETWORK MANAGEMENT 3Com Network Director 3Com Network Access Manager 3Com Network Director (3ND...
...by allowing the administrator to easily control network access directly from connecting to the network. 3Com Network Access Manager leverages the advanced desktop security capabilities of 3Com switches and wireless access points (using 3ND you manage your network is a standalone application that... to : www.3com.com/NAM To find out more about how 3Com Network Director can help you can be blocked from the "Users and Computers" console in Microsoft Active Directory. 182 APPENDIX A: 3COM NETWORK MANAGEMENT 3Com Network Director 3Com Network Access Manager 3Com Network Director (3ND...
User Guide
Page 189
Figure 102 Console cable Table 12 Console cable pinouts RJ-45 1 2 3 4 5 6 7 8 Signal RTS DTR TXD CD GND RXD DSR CTS Direction DB9 (modem) 7 4 3 1 5 2 6 8 DB9 (console) 8 6 2 5 5 3 4 7 C PIN-OUTS Console Cable A Console cable is an 8-conductor RJ45-to the serial port on the terminal, as shown in Figure 102. One end of the cable has an RJ-45 plug for connecting to the switch's Console port, and the other end has a DB-9 socket connector for connecting to -DB9 cable.
Figure 102 Console cable Table 12 Console cable pinouts RJ-45 1 2 3 4 5 6 7 8 Signal RTS DTR TXD CD GND RXD DSR CTS Direction DB9 (modem) 7 4 3 1 5 2 6 8 DB9 (console) 8 6 2 5 5 3 4 7 C PIN-OUTS Console Cable A Console cable is an 8-conductor RJ45-to the serial port on the terminal, as shown in Figure 102. One end of the cable has an RJ-45 plug for connecting to the switch's Console port, and the other end has a DB-9 socket connector for connecting to -DB9 cable.
User Guide
Page 192
... Device is in a reboot loop ■ No connection and the port LED is off . ■ Cannot connect to management using Console connection ■ Cannot connect to resolve these issue. This includes how the problem is found either in this chapter, or through customer ...contact Customer Support. D TROUBLESHOOTING Problem Management Troubleshooting Solutions This section describes problems that may arise when installing the and how to switch management using the device. If no solution is detected, and what are some possible troubleshooting problems and solutions. power LED is...
... Device is in a reboot loop ■ No connection and the port LED is off . ■ Cannot connect to management using Console connection ■ Cannot connect to resolve these issue. This includes how the problem is found either in this chapter, or through customer ...contact Customer Support. D TROUBLESHOOTING Problem Management Troubleshooting Solutions This section describes problems that may arise when installing the and how to switch management using the device. If no solution is detected, and what are some possible troubleshooting problems and solutions. power LED is...
User Guide
Page 193
... for a pin-to manage the device If you cannot connect using HTTP, SNMP, etc. Cannot connect to management using Console connection Be sure the terminal emulator program is plugged into the appropriate VLAN to -pin straight/flat cable Reconfigure the emulation software...time. Remove and reinstall the device. power Power is off. Troubleshooting Solutions 193 Table 12 Troubleshooting Solutions Problems Possible Cause Solution Switch does not run; LED is disconnected. No response from the terminal Faulty serial cable emulations software is properly connected with a valid...
... for a pin-to manage the device If you cannot connect using HTTP, SNMP, etc. Cannot connect to management using Console connection Be sure the terminal emulator program is plugged into the appropriate VLAN to -pin straight/flat cable Reconfigure the emulation software...time. Remove and reinstall the device. power Power is off. Troubleshooting Solutions 193 Table 12 Troubleshooting Solutions Problems Possible Cause Solution Switch does not run; LED is disconnected. No response from the terminal Faulty serial cable emulations software is properly connected with a valid...
User Guide
Page 194
... e.g., crossed rather than straight cable, or vice versa, split pair (incorrect twisting of pairs) Solution Download and install a working or previous software version from the console Check pinout and replace if necessary Fiber optical cable connection is in the NMS application, and change setting if necessary Contact...
... e.g., crossed rather than straight cable, or vice versa, split pair (incorrect twisting of pairs) Solution Download and install a working or previous software version from the console Check pinout and replace if necessary Fiber optical cable connection is in the NMS application, and change setting if necessary Contact...
User Guide
Page 195
... User Name and Password. User names and passwords are case sensitive. E 3COM CLI REFERENCE GUIDE This section describes using the CLI via a console port: 1 Connect the RJ-45 cable to the Console port of the switch to the serial port of the terminal or computer running the terminal emulation .... 5 Under Properties, select VT100 for Emulation mode. 6 Select Terminal keys for Function, Arrow, and Ctrl keys. The device is required. Console Port To start using the Command Line Interface (CLI) to manage the device. Ensure that the setting is for first time configuration is very ...
... User Name and Password. User names and passwords are case sensitive. E 3COM CLI REFERENCE GUIDE This section describes using the CLI via a console port: 1 Connect the RJ-45 cable to the Console port of the switch to the serial port of the terminal or computer running the terminal emulation .... 5 Under Properties, select VT100 for Emulation mode. 6 Select Terminal keys for Function, Arrow, and Ctrl keys. The device is required. Console Port To start using the Command Line Interface (CLI) to manage the device. Ensure that the setting is for first time configuration is very ...