User Guide
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...user interface for configuring port settings. It covers summaries of hardware and software features. Provides information for the 3Com® Baseline Switch 2948-SFP Plus. User Guide Overview This section provides an overview to -navigate. Provides information for setting up and ...and deleting device configuration information. The User Guide provides the following sections: Getting Started - General System Information - Using the 3Com Web Interface - Provides information for configuring both system and network security, including traffic control, ACLs, and device access methods...
...user interface for configuring port settings. It covers summaries of hardware and software features. Provides information for the 3Com® Baseline Switch 2948-SFP Plus. User Guide Overview This section provides an overview to -navigate. Provides information for setting up and ...and deleting device configuration information. The User Guide provides the following sections: Getting Started - General System Information - Using the 3Com Web Interface - Provides information for configuring both system and network security, including traffic control, ACLs, and device access methods...
User Guide
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Intended Audience This guide is intended for the 3Com Baseline Switch 2948 includes: Safety and Support Information: Provides installation, set-up, and regulatory compliance information. Table 1 Notice Icons Icon Notice Type Description Information Information that ... differs from the information in this guide, follow the instructions in Adobe Acrobat Reader Portable Document Format (PDF) or HTML on the 3Com Web site: http://www.3Com.com Conventions Table 1 lists conventions that alerts you to potential loss of data or potential damage to this guide. Related Documentation In...
Intended Audience This guide is intended for the 3Com Baseline Switch 2948 includes: Safety and Support Information: Provides installation, set-up, and regulatory compliance information. Table 1 Notice Icons Icon Notice Type Description Information Information that ... differs from the information in this guide, follow the instructions in Adobe Acrobat Reader Portable Document Format (PDF) or HTML on the 3Com Web site: http://www.3Com.com Conventions Table 1 lists conventions that alerts you to potential loss of data or potential damage to this guide. Related Documentation In...
User Guide
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... and software features, and the following topics: About the Switch 2948 Front Panel Detail LED Status Indicators System Specifications Installing the Switch Setting Up for Management Methods of Managing a Switch Switch Setup Overview Using the Command Line Interface (CLI) Setting Up... Web Interface Management Setting Up SNMP Management V1 or V2 Default Users and Passwords Upgrading Software using the CLI 1 GETTING STARTED This chapter contains introductory information about the 3Com® Baseline Switch 2948-SFP...
... and software features, and the following topics: About the Switch 2948 Front Panel Detail LED Status Indicators System Specifications Installing the Switch Setting Up for Management Methods of Managing a Switch Switch Setup Overview Using the Command Line Interface (CLI) Setting Up... Web Interface Management Setting Up SNMP Management V1 or V2 Default Users and Passwords Upgrading Software using the CLI 1 GETTING STARTED This chapter contains introductory information about the 3Com® Baseline Switch 2948-SFP...
User Guide
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... and Forward Duplex Modes Half and full duplex on all front panel ports Auto MDI/MDIX Supported on all ports. The Switch 2948 includes the following model: Baseline Switch 2948-SFP Plus 48-Port The Switch 2948 features the following advantages: Full Gigabit speed access ports Jumbo frames Port security Link aggregation control protocol (LACP) Up to 256...
... and Forward Duplex Modes Half and full duplex on all front panel ports Auto MDI/MDIX Supported on all ports. The Switch 2948 includes the following model: Baseline Switch 2948-SFP Plus 48-Port The Switch 2948 features the following advantages: Full Gigabit speed access ports Jumbo frames Port security Link aggregation control protocol (LACP) Up to 256...
User Guide
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B DEVICE SPECIFICATIONS AND FEATURES Related Standard The 3Com® Baseline Switch 2948-SFP Plus has been designed to +158 °F) 0-95% (non-condensing) EN 60068 (IEC 68) Physical Width Depth Height Weight Mounting 440 mm (17.3 in.) 265 ...
B DEVICE SPECIFICATIONS AND FEATURES Related Standard The 3Com® Baseline Switch 2948-SFP Plus has been designed to +158 °F) 0-95% (non-condensing) EN 60068 (IEC 68) Physical Width Depth Height Weight Mounting 440 mm (17.3 in.) 265 ...
User Guide
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... two devices that both ports can support The system supports the following features: Table 11 Features of the Baseline Switch 2948-SFP Plus Feature Description Auto-Negotiation The purpose of auto-negotiation is performed totally within the physical layers during link...protocol layers. 188 appendix B: DEVICE SPECIFICATION AND FEATURES Electrical Line Frequency Input Voltage Current Rating Switch 2948-SFP Plus Maximum Power Consumption Switch 2948-SFP Plus Max Heat Dissipation Switch 2948-SFP Plus 50/60 Hz 100-240 Vac (auto range) 1.5 Amp (Max) 70 Watts 238.9...
... two devices that both ports can support The system supports the following features: Table 11 Features of the Baseline Switch 2948-SFP Plus Feature Description Auto-Negotiation The purpose of auto-negotiation is performed totally within the physical layers during link...protocol layers. 188 appendix B: DEVICE SPECIFICATION AND FEATURES Electrical Line Frequency Input Voltage Current Rating Switch 2948-SFP Plus Maximum Power Consumption Switch 2948-SFP Plus Max Heat Dissipation Switch 2948-SFP Plus 50/60 Hz 100-240 Vac (auto range) 1.5 Amp (Max) 70 Watts 238.9...
User Guide
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... to respond. 30-60 seconds is received for a given period are stored and manipulated as the main interface for the switch. The Configuration file includes both system wide and port specific device configuration. DHCP service is not intended as text files. ...Link STP can display configuration files in a configuration file. appendix b: DEVICE SPECIFICATION AND FEATURES 189 Table 11 Features of the Baseline Switch 2948-SFP Plus Feature Automatic MAC Addresses Aging Back Pressure Description MAC addresses from which are aged out. During this standard is stored in...
... to respond. 30-60 seconds is received for a given period are stored and manipulated as the main interface for the switch. The Configuration file includes both system wide and port specific device configuration. DHCP service is not intended as text files. ...Link STP can display configuration files in a configuration file. appendix b: DEVICE SPECIFICATION AND FEATURES 189 Table 11 Features of the Baseline Switch 2948-SFP Plus Feature Automatic MAC Addresses Aging Back Pressure Description MAC addresses from which are aged out. During this standard is stored in...
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... connected to an RJ-45 port is crossed or straight through, when auto-negotiation is addressed to a specific Multicast address, from where copies of the Baseline Switch 2948-SFP Plus Feature IGMP Snooping Description IGMP Snooping examines IGMP frame contents, when they are forwarded by the device from physical link disruption Higher bandwidth connections...
... connected to an RJ-45 port is crossed or straight through, when auto-negotiation is addressed to a specific Multicast address, from where copies of the Baseline Switch 2948-SFP Plus Feature IGMP Snooping Description IGMP Snooping examines IGMP frame contents, when they are forwarded by the device from physical link disruption Higher bandwidth connections...
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...Table, as SNMP traps to automatically prevent and resolve L2 forwarding loops. Rapid Spanning Tree (RSTP) detects uses of the Baseline Switch 2948-SFP Plus Feature Port-based Virtual LANs Description Port-based VLANs classify incoming packets to VLANs based on ports. SNMP Alarms and...server-based protocol. Static MAC Entries MAC entries can take 30-60 seconds for each host to the system. Switches exchange configuration messages using specifically formatted frames and selectively enable and disable forwarding on their ingress port. RADIUS Clients RADIUS is ...
...Table, as SNMP traps to automatically prevent and resolve L2 forwarding loops. Rapid Spanning Tree (RSTP) detects uses of the Baseline Switch 2948-SFP Plus Feature Port-based Virtual LANs Description Port-based VLANs classify incoming packets to VLANs based on ports. SNMP Alarms and...server-based protocol. Static MAC Entries MAC entries can take 30-60 seconds for each host to the system. Switches exchange configuration messages using specifically formatted frames and selectively enable and disable forwarding on their ingress port. RADIUS Clients RADIUS is ...
User Guide
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... be grouped in the same VLAN. The system internally converts web-based input into TCP packets, each carrying a sequence number. Packets are collections of the Baseline Switch 2948-SFP Plus Feature TCP Description Transport Control Protocol (TCP). 192 appendix B: DEVICE SPECIFICATION AND FEATURES Table 11 Features of...
... be grouped in the same VLAN. The system internally converts web-based input into TCP packets, each carrying a sequence number. Packets are collections of the Baseline Switch 2948-SFP Plus Feature TCP Description Transport Control Protocol (TCP). 192 appendix B: DEVICE SPECIFICATION AND FEATURES Table 11 Features of...
User Guide
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...in a commercial environment. Cet appareil numérique de la Classe A est conforme à la norme NMB-003 du Canada. 3Com Europe Limited Peoplebuilding 2, Peoplebuilding Estate Maylands Avenue Hemel Hempstead, Hertfordshire HP2 4NW United Kingdom This product complies with Canadian ICES-003. A... 802.3. This equipment generates, uses and can be required to correct the interference at http://support.3com/doc/BL_WEITCH_2948_EU_DOC.pdf If necessary, the user should consult the dealer or an experienced radio/television technician for the Baseline Switch 2948-SFP Plus at http://www...
...in a commercial environment. Cet appareil numérique de la Classe A est conforme à la norme NMB-003 du Canada. 3Com Europe Limited Peoplebuilding 2, Peoplebuilding Estate Maylands Avenue Hemel Hempstead, Hertfordshire HP2 4NW United Kingdom This product complies with Canadian ICES-003. A... 802.3. This equipment generates, uses and can be required to correct the interference at http://support.3com/doc/BL_WEITCH_2948_EU_DOC.pdf If necessary, the user should consult the dealer or an experienced radio/television technician for the Baseline Switch 2948-SFP Plus at http://www...