User Manual
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... 26 Removing an SFP Transceiver 27 3 SETTING UP FOR MANAGEMENT Setting Up Overview 30 IP Configuration 31 Preparing for Management 32 Manually Configuring IP Information 33 Connecting to the Console Port 33 Viewing Automatically Configured IP Information 36 Using 3Com Network Supervisor 36 Connecting to the Console Port 36 Methods of Managing a Switch 39...
... 26 Removing an SFP Transceiver 27 3 SETTING UP FOR MANAGEMENT Setting Up Overview 30 IP Configuration 31 Preparing for Management 32 Manually Configuring IP Information 33 Connecting to the Console Port 33 Viewing Automatically Configured IP Information 36 Using 3Com Network Supervisor 36 Connecting to the Console Port 36 Methods of Managing a Switch 39...
User Manual
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... Test 1 2 3 4 5 6 7 8 9 10 11 12 9 10 11 12 Module Active Self Test LED Console Port Port Status LEDs Power LED 1 13 67 18 19 3C17400 Switch 3824 Port Status 12 1 2 3 4 5 6 7 8 9 10 11 12 Link/Activity: Green = 1000M, Yellow = 10/100M, Flash = Activity 21 22 23 24...to these data sockets. 10BASE-T/ 100BASE-TX/ 1000BASE-T Ports The Switch has 12 or 24 auto-negotiating 10BASE-T/100BASE-TX/ 1000BASE-T ports configured as standard traditional telephone sockets, or to connect the unit to 10BASE-T half duplex, 10BASE-T full duplex, 100BASE-TX half duplex, ...
... Test 1 2 3 4 5 6 7 8 9 10 11 12 9 10 11 12 Module Active Self Test LED Console Port Port Status LEDs Power LED 1 13 67 18 19 3C17400 Switch 3824 Port Status 12 1 2 3 4 5 6 7 8 9 10 11 12 Link/Activity: Green = 1000M, Yellow = 10/100M, Flash = Activity 21 22 23 24...to these data sockets. 10BASE-T/ 100BASE-TX/ 1000BASE-T Ports The Switch has 12 or 24 auto-negotiating 10BASE-T/100BASE-TX/ 1000BASE-T ports configured as standard traditional telephone sockets, or to connect the unit to 10BASE-T half duplex, 10BASE-T full duplex, 100BASE-TX half duplex, ...
User Manual
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...Switch, and how to read their status according to color. Alternatively, auto-negotiation can be disabled and the flow control setting can be manually configured. The corresponding 10/100/1000 port is disabled when an SFP port is active it has priority over the 10/100/1000 port of the... and flow control modes are combination ports. Alternatively, auto-negotiation can be disabled and the speed, duplex and flow control setting can be manually configured. The corresponding 10/100/1000 port is disabled when an SFP port is 10/100 Mbps activity on page 46. The last four 10/100...
...Switch, and how to read their status according to color. Alternatively, auto-negotiation can be disabled and the flow control setting can be manually configured. The corresponding 10/100/1000 port is disabled when an SFP port is active it has priority over the 10/100/1000 port of the... and flow control modes are combination ports. Alternatively, auto-negotiation can be disabled and the speed, duplex and flow control setting can be manually configured. The corresponding 10/100/1000 port is disabled when an SFP port is 10/100 Mbps activity on page 46. The last four 10/100...
User Manual
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... CHAPTER 1: INTRODUCING THE SWITCH 3812 AND SWITCH 3824 Default Settings Table 5 shows the default settings for the Switch: Table 5 Default Settings Feature Switch Automatic IP Configuration Enabled Port Status Enabled Port Speed 10/100/1000 Mbps ports are auto-negotiated Duplex Mode 10/100/1000 Mbps ports are retained to allow...
... CHAPTER 1: INTRODUCING THE SWITCH 3812 AND SWITCH 3824 Default Settings Table 5 shows the default settings for the Switch: Table 5 Default Settings Feature Switch Automatic IP Configuration Enabled Port Status Enabled Port Speed 10/100/1000 Mbps ports are auto-negotiated Duplex Mode 10/100/1000 Mbps ports are retained to allow...
User Manual
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...on page 46. the only method of the 10/100/1000 Mbps ports on workstations and servers are configured as MDIX (cross-over cable (MDIX). Choosing the Correct Cables All of connecting or disconnecting mains ...power is booting-up and operating normally. Many ports on the Switch are configured as MDI (straight-through). CAUTION The Switch has no ON/OFF switch; The Auto-MDIX feature only operates...in progress. If auto-negotiation is a test in MDI or MDIX mode. See Table 8. 3Com recommends that is they have a cross-over cable.
...on page 46. the only method of the 10/100/1000 Mbps ports on workstations and servers are configured as MDIX (cross-over cable (MDIX). Choosing the Correct Cables All of connecting or disconnecting mains ...power is booting-up and operating normally. Many ports on the Switch are configured as MDI (straight-through). CAUTION The Switch has no ON/OFF switch; The Auto-MDIX feature only operates...in progress. If auto-negotiation is a test in MDI or MDIX mode. See Table 8. 3Com recommends that is they have a cross-over cable.
User Manual
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This is , you have to manage a Switch. It covers the following topics: ■ Setting Up Overview ■ Manually Configuring IP Information ■ Viewing Automatically Configured IP Information ■ Methods of accessing the management software to access the management software that is known as managing the Switch. This chapter explains the ...
This is , you have to manage a Switch. It covers the following topics: ■ Setting Up Overview ■ Manually Configuring IP Information ■ Viewing Automatically Configured IP Information ■ Methods of accessing the management software to access the management software that is known as managing the Switch. This chapter explains the ...
User Manual
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... Connect over the network. The whole setup process is automatically configured. See page 31 Do you want to manage your chosen method of what you want to get your Switch set up and ready for your Switch? See page 33 Use 3Com Network Supervisor (3NS). In brief, you want to the... console port and use the Web Interface or Command Line Interface. See page 36 Connect to manually Yes configure the IP information? No How do you want to connect to...
... Connect over the network. The whole setup process is automatically configured. See page 31 Do you want to manage your chosen method of what you want to get your Switch set up and ready for your Switch? See page 33 Use 3Com Network Supervisor (3NS). In brief, you want to the... console port and use the Web Interface or Command Line Interface. See page 36 Connect to manually Yes configure the IP information? No How do you want to connect to...
User Manual
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... DHCP server on the network. Refer to the documentation that accompanies your Switch. IP Configuration You can choose to ensure that the Switch is always allocated the same IP information.) For most installations, 3Com recommends that you enter until you change all default passwords as soon as it is not... dependent on a DHCP server, and eliminates the risk of the IP address ever changing, or ■ your DHCP server does not allow static IP addresses to be configured so that ...
... DHCP server on the network. Refer to the documentation that accompanies your Switch. IP Configuration You can choose to ensure that the Switch is always allocated the same IP information.) For most installations, 3Com recommends that you enter until you change all default passwords as soon as it is not... dependent on a DHCP server, and eliminates the risk of the IP address ever changing, or ■ your DHCP server does not allow static IP addresses to be configured so that ...
User Manual
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If you use the automatic IP configuration method if: ■ your Switch or on the 3Com Web site. Work through the "Viewing Automatically Configured IP Information" section on page 36. You should use the automatic IP configuration method, you need to discover the automatically allocated IP information before you can begin management. If the Switch...
If you use the automatic IP configuration method if: ■ your Switch or on the 3Com Web site. Work through the "Viewing Automatically Configured IP Information" section on page 36. You should use the automatic IP configuration method, you need to discover the automatically allocated IP information before you can begin management. If the Switch...
User Manual
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... Information 33 Manually Configuring IP Information You can manually configure the Switch IP information in Appendix B on page 57. ■ You need to communicate with the Switch via a modem). Connecting to the Console Port To ...
... Information 33 Manually Configuring IP Information You can manually configure the Switch IP information in Appendix B on page 57. ■ You need to communicate with the Switch via a modem). Connecting to the Console Port To ...
User Manual
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... the male connector on the console port of the serial ports (also known as a COM port) on your workstation. 2 Open your terminal emulation software and configure the COM port settings to which are now ready to manually set to the documentation that accompanies the terminal emulation software for the Switch, which...
... the male connector on the console port of the serial ports (also known as a COM port) on your workstation. 2 Open your terminal emulation software and configure the COM port settings to which are now ready to manually set to the documentation that accompanies the terminal emulation software for the Switch, which...
User Manual
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.... or ■ enter the gettingStarted command. The screen prompts you can disconnect the serial cable and close the terminal emulator software. Manually Configuring IP Information 35 2 At the login and password prompts, enter admin as your Switch is now complete and the Switch is displayed as ...shown in the example in Figure 8. At the Enter configuration method prompt enter manual. Figure 8 Example top-level command line interface menu 3 At the Select menu option prompt you to enter IP information....
.... or ■ enter the gettingStarted command. The screen prompts you can disconnect the serial cable and close the terminal emulator software. Manually Configuring IP Information 35 2 At the login and password prompts, enter admin as your Switch is now complete and the Switch is displayed as ...shown in the example in Figure 8. At the Enter configuration method prompt enter manual. Figure 8 Example top-level command line interface menu 3 At the Select menu option prompt you to enter IP information....
User Manual
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...Information If you allow static IP addresses to be configured so that accompanies your Switch to the network. 2 Power-up the Switch and wait for two minutes. 3 Launch 3Com Network Supervisor and run the Auto-discovery wizard. 3Com Network Supervisor will auto-discover the new Switch ...and display the IP information that has been automatically allocated to the Switch. Using 3Com Network You can view the automatically configured IP information via the command line interface (CLI) through a connection to the console port. (This example describes a...
...Information If you allow static IP addresses to be configured so that accompanies your Switch to the network. 2 Power-up the Switch and wait for two minutes. 3 Launch 3Com Network Supervisor and run the Auto-discovery wizard. 3Com Network Supervisor will auto-discover the new Switch ...and display the IP information that has been automatically allocated to the Switch. Using 3Com Network You can view the automatically configured IP information via the command line interface (CLI) through a connection to the console port. (This example describes a...
User Manual
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... for more information. Figure 9 Connecting a workstation to the Switch via the console port Workstation (with RJ-45 connectors to connect your terminal emulation software and configure the COM port settings to the console port using a standard null modem cable as shown in Appendix B on page 57. ■ A Category 5 twisted pair ...the terminal emulation software for the Switch, which you have connected the cable. b Tighten the retaining screws on the cable to the network. Viewing Automatically Configured IP Information 37 You can find pin-out diagrams for the cable in Figure 9.
... for more information. Figure 9 Connecting a workstation to the Switch via the console port Workstation (with RJ-45 connectors to connect your terminal emulation software and configure the COM port settings to the console port using a standard null modem cable as shown in Appendix B on page 57. ■ A Category 5 twisted pair ...the terminal emulation software for the Switch, which you have connected the cable. b Tighten the retaining screws on the cable to the network. Viewing Automatically Configured IP Information 37 You can find pin-out diagrams for the cable in Figure 9.
User Manual
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.... If you have logged on page 39. See "Methods of the automatically allocated IP information is made the Switch begins the automatic IP configuration process. The automatic IP configuration process usually completes within one minute. 2 The command line interface login sequence begins as soon as your user name and press Return at...
.... If you have logged on page 39. See "Methods of the automatically allocated IP information is made the Switch begins the automatic IP configuration process. The automatic IP configuration process usually completes within one minute. 2 The command line interface login sequence begins as soon as your user name and press Return at...
User Manual
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For example, you can use the 3Com Network Supervisor software that accompanies your workstation to the console port correctly as shown in "Connecting to continue being managed and/or configured through the CLI via the local the Console Port console port connection: 1 Ensure you can manage a Switch using a local console port connection or...
For example, you can use the 3Com Network Supervisor software that accompanies your workstation to the console port correctly as shown in "Connecting to continue being managed and/or configured through the CLI via the local the Console Port console port connection: 1 Ensure you can manage a Switch using a local console port connection or...
User Manual
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... your Switch unit experiencing a hardware failure, refer to the list of the Switch. Fan failure could potentially reduce the lifetime of suggested solutions below. If configured, an RMON trap is disabled and incorrect cables are broken. ■ Auto-negotiation differs at either end (a link appears at the 'fixed' end and not...
... your Switch unit experiencing a hardware failure, refer to the list of the Switch. Fan failure could potentially reduce the lifetime of suggested solutions below. If configured, an RMON trap is disabled and incorrect cables are broken. ■ Auto-negotiation differs at either end (a link appears at the 'fixed' end and not...
User Manual
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... a unique IP address. Solving Communication Problems If you experience communication problems with the Switch, ensure that: ■ The Switch IP address has been configured as described in Chapter 3. ■ If the Switch is separated from your management application by a router, ensure that the air vents are not .... 3 Power cycle the unit. 48 CHAPTER 4: PROBLEM SOLVING If more than one fan has failed in your network management application (such as 3Com Network Supervisor). The IP address is split into two parts: ■ The first part ('192.168.100' in the example) identifies the ...
... a unique IP address. Solving Communication Problems If you experience communication problems with the Switch, ensure that: ■ The Switch IP address has been configured as described in Chapter 3. ■ If the Switch is separated from your management application by a router, ensure that the air vents are not .... 3 Power cycle the unit. 48 CHAPTER 4: PROBLEM SOLVING If more than one fan has failed in your network management application (such as 3Com Network Supervisor). The IP address is split into two parts: ■ The first part ('192.168.100' in the example) identifies the ...
User Manual
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... of at least 10A. ■ The attachment plug must be an earth-grounding type with a NEMA 5-15P (15A, 125V) or NEMA 6-15P (15A, 250V) configuration. ■ The supply plug must comply with BS1363 (3-pin 13 amp) and be fitted with a 5A fuse which complies with BS1362. ■ The mains cord...the unit must be approved for the country where it is : No. 18 AWG Type SV or SJ 3-conductor ■ The cord set must have a configuration for mating with an EN60320/IEC320 appliance inlet. WARNING: Connect the unit to an earthed power supply to ensure compliance with safety standards. WARNING: Power...
... of at least 10A. ■ The attachment plug must be an earth-grounding type with a NEMA 5-15P (15A, 125V) or NEMA 6-15P (15A, 250V) configuration. ■ The supply plug must comply with BS1363 (3-pin 13 amp) and be fitted with a 5A fuse which complies with BS1362. ■ The mains cord...the unit must be approved for the country where it is : No. 18 AWG Type SV or SJ 3-conductor ■ The cord set must have a configuration for mating with an EN60320/IEC320 appliance inlet. WARNING: Connect the unit to an earthed power supply to ensure compliance with safety standards. WARNING: Power...
User Manual
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Table 11 Pin assignments Pin Number 10/BASE-T/100BASE-TX Ports configured as MDI 1 Transmit Data + 2 Transmit Data + 3 Receive Data + 4 Not assigned 5 Not assigned 6 Receive Data - 7 Not assigned 8 Not assigned 1000BASE-T Bidirectional Data A+ Bidirectional Data ABidirectional Data B+ ...
Table 11 Pin assignments Pin Number 10/BASE-T/100BASE-TX Ports configured as MDI 1 Transmit Data + 2 Transmit Data + 3 Receive Data + 4 Not assigned 5 Not assigned 6 Receive Data - 7 Not assigned 8 Not assigned 1000BASE-T Bidirectional Data A+ Bidirectional Data ABidirectional Data B+ ...