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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
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... 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
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... can use the Command Line Interface through the Console port for Management To make full use of accessing the management software to "3Com CLI Reference Guide" on the switch. This is known as managing the switch. Web Interface Each switch has an internal set up of the switch and the different methods of the features offered...
... can use the Command Line Interface through the Console port for Management To make full use of accessing the management software to "3Com CLI Reference Guide" on the switch. This is known as managing the switch. Web Interface Each switch has an internal set up of the switch and the different methods of the features offered...
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... See page 26 CAUTION: To protect your switch from unauthorized access, you must change the default password as soon as possible, even if you want to actively manage your Switch? No How do you do you want to the Switch? Connect to the console port and use the Command Line Interface. ...Connect to the console port and use the Command Line Interface. See page 21 Connect to the...
... See page 26 CAUTION: To protect your switch from unauthorized access, you must change the default password as soon as possible, even if you want to actively manage your Switch? No How do you do you want to the Switch? Connect to the console port and use the Command Line Interface. ...Connect to the console port and use the Command Line Interface. See page 21 Connect to the...
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...x and y are the last two bytes of the switch. If you change the switch's IP addresses and it is important that accompanies your network uses DHCP to manually reconfigure the switch. If you use its MAC address. Automatic IP Configuration using the Console Port" on your network, or ■ You want... to remove the risk of the IP address ever changing, or If the switch is listed on a label located on the...
...x and y are the last two bytes of the switch. If you change the switch's IP addresses and it is important that accompanies your network uses DHCP to manually reconfigure the switch. If you use its MAC address. Automatic IP Configuration using the Console Port" on your network, or ■ You want... to remove the risk of the IP address ever changing, or If the switch is listed on a label located on the...
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... allocated the same IP information.) For most installations, 3Com recommends that you configure the switch IP information manually. This software allows you to communicate with your switch through the Console Port Console port. You can access the switch through the "Manually set the IP address, or to your switch. Connecting to the This section describes how to...
... allocated the same IP information.) For most installations, 3Com recommends that you configure the switch IP information manually. This software allows you to communicate with your switch through the Console Port Console port. You can access the switch through the "Manually set the IP address, or to your switch. Connecting to the This section describes how to...
User Guide
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... the documentation that accompanies the terminal emulation software for the switch, which you have the following information: ■ IP address ■ subnet mask ■ default gateway The Switch 2916 and 2924 takes approximately one minute to boot. Manually set the IP Address using the console cable as shown in Figure 6. The settings must be...
... the documentation that accompanies the terminal emulation software for the switch, which you have the following information: ■ IP address ■ subnet mask ■ default gateway The Switch 2916 and 2924 takes approximately one minute to boot. Manually set the IP Address using the console cable as shown in Figure 6. The settings must be...
User Guide
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...within one minute. 2 The command line interface login sequence begins as soon as the switch detects a connection to its console port. The automatic IP configuration process usually completes within one minute after the switch is displayed. The Password prompt displays. 4 Press Return. Using the Command Line ...and press Return. 4 At the password prompt, press Return.If you to set up . 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 the login prompt, enter admin as...
...within one minute. 2 The command line interface login sequence begins as soon as the switch detects a connection to its console port. The automatic IP configuration process usually completes within one minute after the switch is displayed. The Password prompt displays. 4 Press Return. Using the Command Line ...and press Return. 4 At the password prompt, press Return.If you to set up . 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 the login prompt, enter admin as...
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... about the CLI, refer to "3Com CLI Reference Guide" on page 17. See "Methods of allocated IP addresses. If you do not intend to use the command line interface using the console port to manage the switch, you to set up your switch is now complete and the switch is an example of the display...:44:52) Select menu option# The initial set up of your chosen management method. 24 CHAPTER 1: GETTING STARTED 5 Enter Summary to view a summary of Managing a Switch" on page 195.
... about the CLI, refer to "3Com CLI Reference Guide" on page 17. See "Methods of allocated IP addresses. If you do not intend to use the command line interface using the console port to manage the switch, you to set up your switch is now complete and the switch is an example of the display...:44:52) Select menu option# The initial set up of your chosen management method. 24 CHAPTER 1: GETTING STARTED 5 Enter Summary to view a summary of Managing a Switch" on page 195.
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... you can use any network management application running the Simple Network Management Protocol (SNMP) to manage the switch. 3Com offers a range of all ports on page 23. 2 Check that you wish to the switch using the web interface over an IP network: Over the Network 1 Be sure that you have already modified the... default passwords). By default, all sizes and complexity. See "IP Configuration" on page 20, and "Viewing IP Information using the Console Port" on the switch are in VLAN 1 (the Default VLAN). The main Web interface page is on page 181.
... you can use any network management application running the Simple Network Management Protocol (SNMP) to manage the switch. 3Com offers a range of all ports on page 23. 2 Check that you wish to the switch using the web interface over an IP network: Over the Network 1 Be sure that you have already modified the... default passwords). By default, all sizes and complexity. See "IP Configuration" on page 20, and "Viewing IP Information using the Console Port" on the switch are in VLAN 1 (the Default VLAN). The main Web interface page is on page 181.
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... Setup Page The Logging Setup Page contains the following fields: ■ Enable Local Logging - Log messages are listed from the highest severity to this page. Console logs are : ■ Checked - Enables device logs. ■ Unchecked - To define Log Parameters: 1 Click Administration > Logging > Setup. The monitor users have no access to the...
... Setup Page The Logging Setup Page contains the following fields: ■ Enable Local Logging - Log messages are listed from the highest severity to this page. Console logs are : ■ Checked - Enables device logs. ■ Unchecked - To define Log Parameters: 1 Click Administration > Logging > Setup. The monitor users have no access to the...
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... from the "Users and Computers" console in Microsoft Active Directory. It simplifies tasks such as backup and restore for 3Com device configurations as well as firmware and agent upgrades. 3ND makes it easy to the network. 3Com Network Access Manager leverages the advanced desktop security capabilities of 3Com switches and wireless access points (using 3ND...
... from the "Users and Computers" console in Microsoft Active Directory. It simplifies tasks such as backup and restore for 3Com device configurations as well as firmware and agent upgrades. 3ND makes it easy to the network. 3Com Network Access Manager leverages the advanced desktop security capabilities of 3Com switches and wireless access points (using 3ND...
User Guide
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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 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. 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.
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 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. 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.
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.... Solutions are found in this chapter, contact Customer Support. If no solution is off. ■ Cannot connect to management using Console connection ■ Cannot connect to resolve these issue. power LED is found either in this chapter, or through customer support. This... section includes the following topics: ■ Problem Management - These error messages include: ■ Switch does not run; Once the problem is quantified, the solution is detected, and what are some possible troubleshooting problems and solutions. Problem...
.... Solutions are found in this chapter, contact Customer Support. If no solution is off. ■ Cannot connect to management using Console connection ■ Cannot connect to resolve these issue. power LED is found either in this chapter, or through customer support. This... section includes the following topics: ■ Problem Management - These error messages include: ■ Switch does not run; Once the problem is quantified, the solution is detected, and what are some possible troubleshooting problems and solutions. Problem...
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...your cable is properly connected with a standard null-modem cable Cannot connect to switch management using Console connection Be sure the terminal emulator program is properly connected to the switch, and to -pin straight/flat cable Reconfigure the emulation software connection settings. Please...port LED is not readable Software settings Replace the serial cable Reconfigure the emulation software connection settings. Be sure the switch has a valid IP address, subnet mask and default gateway configured Check that your technical support representative. No response...
...your cable is properly connected with a standard null-modem cable Cannot connect to switch management using Console connection Be sure the terminal emulator program is properly connected to the switch, and to -pin straight/flat cable Reconfigure the emulation software connection settings. Please...port LED is not readable Software settings Replace the serial cable Reconfigure the emulation software connection settings. Be sure the switch has a valid IP address, subnet mask and default gateway configured Check that your technical support representative. No response...
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... 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
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... network managers enter configuration commands and parameters to configure the device. 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...Set Flow Control to none. 5 Under Properties, select VT100 for Emulation mode. 6 Select Terminal keys for Function, Arrow, and Ctrl keys. Console Port To start using the Command Line Interface (CLI) to manage the device. Using the CLI is very similar to entering commands on to...
... network managers enter configuration commands and parameters to configure the device. 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...Set Flow Control to none. 5 Under Properties, select VT100 for Emulation mode. 6 Select Terminal keys for Function, Arrow, and Ctrl keys. Console Port To start using the Command Line Interface (CLI) to manage the device. Using the CLI is very similar to entering commands on to...