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Compaq 2724, 2824 Table 2-2 Crossover Twisted-Pair Wiring, 100Base-FX, Cable Type

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Planning Installation

Writer: Chris Seiter Project: Planning Installation Comments: 299440-001

File Name:2824_2.DOC Last Saved On:6/27/97 3:51 PM

Table 2-2Crossover Twisted-Pair Wiring

Twisted Pair Number Pin Number Signal

Description

To Pin Number Signal

Description

TD+

TD-

➔

➔3

RD+

RD-

RD+

RD-

➔

➔1

TD+

TD-

100Base-FX

100Base-FX is the IEEE 802.3u specification for transmitting 100 Mb/s Fast

Ethernet over two strands (one pair) of fiber optic cable. The 2724/2824 hub

supports both SC type (low-cost fiber optic interface connector) and ST (optical

medium connector plug and socket) connections.

Cable Type

■ Fiber optic

■ Multi-mode 62.5/125 to 100/150 micron fiber

■ Both strands used

Contents

Main NOTICE Compaq Netelligent 2724/2824 Dual-Speed Hub User Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi Canadian Notice Avis Canadien European Union (EU) Notice Page Page Contents Chapter 1 Overview Chapter 2 Planning Installation Chapter 3 Installing the Hub Chapter 4 Configuring the Hub for Management Chapter 5 Appendix A Specifications Appendix B Using the VT100 Interface Index 1-1 Chapter 1 Overview Features Page 1-4 Overview Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hub Components RJ-45 Ports Smart Uplink Slot LED Indicators 1-7 Table 1-1 2724/2824 LEDs Serial COM Port Host/Target DIP Switch Managed/Unmanaged DIP Switch Internal 10/100 Switch Disable DIP Switch 10 ONLY - 10/100 Switch 10 MDI - 10/100 MDI-X Switch Segmentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Chapter 2 Planning Installation Installation Requirements Environmental Requirements Electrical Requirements Spatial Requirements Cable Requirements 10Base-T 100Base-TX Unshielded Twisted Pair (UTP) Table 2-1 Straight-Through Twisted-Pair Wiring Table 2-2 Crossover Twisted-Pair Wiring 100Base-FX Cable Type Page Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 3 Installing the Hub Mounting the Hub Attaching the Rubber Feet Rack-Mounting the Hub Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installing a Smart Uplink Module c d e Inserting the Smart Uplink Module into the Smart Uplink Slot Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting Cable Interconnecting Hubs 2724 Dip Switch Settings HOST/TARGET Invalid Connections UNM/MAN Page Page Connecting Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Disconnecting Power Connecting to the Serial Port Page Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 4 Configuring the Hub for Management Setting the IP Address Using VT100 Page Page Page Page Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Setting the IP Address Using a BOOTP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 5 Managing the Hub Management Features Management Interface 5-2 Managing the Hub Network Configuration Parameters and Modification Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SNMP Management Supported MIBs Supported Frame Types Supported Frame Types IP Frame Types Page IP Protocols IP Autodiscovery MIBs Implementing IP Autodiscovery IPX Frame Type Page 5-9 IPX Protocols The hub supports the following IPX protocols: IPX Autodiscovery SLIP Protocols Traps Generated Traps 5-12 Managing the Hub Traps Issued . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RMON Support Statistics Group History Group Alarm Group Event Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17 Firmware Updates You can update the firmware for the 2824 hub with several file transfer methods: Firmware Update Methods Download Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Parameters Stored in NVRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Compaq Specific Parameters Page Appendix A Specifications Physical Electrical Using the VT100 Interface Connecting the Hub for VT100 Setting Up the Communications Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Starting the VT100 Interface Page Basic Update Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VT100 Management Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-6 Using the VT100 Interface Displaying a Data Screen Navigating the VT100 Screens Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Viewing System Information Error and Warning Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Viewing the Management Agent Configuration Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Viewing Port Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Viewing the Stack Configuration Page Page Deleting a Backup Port Entry Updating the State of a Backup Port Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Changing the Password Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Downloading Firmware Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Setting Up the Serial Port Page Page Configuring IP User Access Example 1 Example 2 Access Options Adding an Entry Modifying an Entry Deleting an Entry Configuring IPX User Access Access Options Adding an Entry Modifying an Entry Deleting an Entry Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glossary Page Page Page Page Page Page Page Index 1 A B C E F G H I L M N O P R S T U V W X