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.... D-Link Offices for Registration and Warranty Service The product's Registration Card, provided at the time of requesting RMA number, Purchaser may also propose special procedure as may be suitable to the case. Replacement product shall be of equivalent or better specifications, relative...Hardware: D-Link warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following periods measured from date of purchase from date of such repair, irrespective of any earlier expiration of original warranty period. A list of D-Link...
.... D-Link Offices for Registration and Warranty Service The product's Registration Card, provided at the time of requesting RMA number, Purchaser may also propose special procedure as may be suitable to the case. Replacement product shall be of equivalent or better specifications, relative...Hardware: D-Link warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following periods measured from date of purchase from date of such repair, irrespective of any earlier expiration of original warranty period. A list of D-Link...
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Dual-Speed Stackable Hubs User's Guide TABLE OF CONTENTS 0 ABOUT THIS GUIDE IX Conventions ix Overview of the User's Guide ix 1 INTRODUCTION 1 Product Description 1 Product Features 2 Dual-speed Fast Ethernet/Ethernet Hub Technology Overview 3 100BASE-TX Technology Overview 5 100Mbps Fast Ethernet Introduction 5 Cables and Connectors 5 Topology...6 Network Diameter 6 Hub Types...7 2 UNPACKING AND SETUP 7 Unpacking 8 Identifying External Components 8 Front Panel...8 Rear Panel 10 Installing the Hub 11 Installation 11 3 UNDERSTANDING INDICATORS 12 About this Guide vii
Dual-Speed Stackable Hubs User's Guide TABLE OF CONTENTS 0 ABOUT THIS GUIDE IX Conventions ix Overview of the User's Guide ix 1 INTRODUCTION 1 Product Description 1 Product Features 2 Dual-speed Fast Ethernet/Ethernet Hub Technology Overview 3 100BASE-TX Technology Overview 5 100Mbps Fast Ethernet Introduction 5 Cables and Connectors 5 Topology...6 Network Diameter 6 Hub Types...7 2 UNPACKING AND SETUP 7 Unpacking 8 Identifying External Components 8 Front Panel...8 Rear Panel 10 Installing the Hub 11 Installation 11 3 UNDERSTANDING INDICATORS 12 About this Guide vii
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Hub State Indicators 12 Port State Indicators 13 Port Speed Indicators 14 Switch Indicator (DFE-908x Only 14 4 MAKING CONNECTIONS 17 Hub Cascading/Building a Stack 17 Connectivity Rules 18 Hub to End-Station Connection 19 Hub-to-Hub Uplink 21 5 CABLES AND CONNECTORS 23 100BASE-TX Ethernet Cable and Connectors 23 Crossover Cables 24 6 SPECIFICATIONS 26 General 26 Hub-to-Hub Cascading 26 LED Indicators 27 Environmental and Physical 27 0 viii About this Guide
Hub State Indicators 12 Port State Indicators 13 Port Speed Indicators 14 Switch Indicator (DFE-908x Only 14 4 MAKING CONNECTIONS 17 Hub Cascading/Building a Stack 17 Connectivity Rules 18 Hub to End-Station Connection 19 Hub-to-Hub Uplink 21 5 CABLES AND CONNECTORS 23 100BASE-TX Ethernet Cable and Connectors 23 Crossover Cables 24 6 SPECIFICATIONS 26 General 26 Hub-to-Hub Cascading 26 LED Indicators 27 Environmental and Physical 27 0 viii About this Guide
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... to install and use the DFE-908 series stackable dual-speed Fast Ethernet/Ethernet Hubs. About this manual to the DFE-908 and DFE-908x hubs are normally used only to effectively using the hub. Overview of the DFE-908 series hubs. ♦ Chapter 2, Unpacking and Setup. Conventions References in setting up the hub. ♦ Chapter 3, Understanding Indicators. Dual-Speed Stackable Hubs User's Guide ABOUT THIS GUIDE This guide discusses how to all models. Unless differentiated by model number, all information applies to all LED indicators on Fast Ethernet networks, and...
... to install and use the DFE-908 series stackable dual-speed Fast Ethernet/Ethernet Hubs. About this manual to the DFE-908 and DFE-908x hubs are normally used only to effectively using the hub. Overview of the DFE-908 series hubs. ♦ Chapter 2, Unpacking and Setup. Conventions References in setting up the hub. ♦ Chapter 3, Understanding Indicators. Dual-Speed Stackable Hubs User's Guide ABOUT THIS GUIDE This guide discusses how to all models. Unless differentiated by model number, all information applies to all LED indicators on Fast Ethernet networks, and...
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♦ Chapter 4, Making Connections. Provides specifications on connecting to the hub's twisted-pair, stacking hubs, and linking with the hubs. ♦ Appendix B, Specifications. Lists the hubs' specifications. x About this Guide Provides information on the cables and connectors used with other 100BASE-TX hubs. ♦ Appendix A, Cables and Connectors.
♦ Chapter 4, Making Connections. Provides specifications on connecting to the hub's twisted-pair, stacking hubs, and linking with the hubs. ♦ Appendix B, Specifications. Lists the hubs' specifications. x About this Guide Provides information on the cables and connectors used with other 100BASE-TX hubs. ♦ Appendix A, Cables and Connectors.
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A DFE-908 series hub stack operates as giving some background information about the technology the hubs use. All of the twisted-pair ports support Auto-Negotiation (NWay), allowing the hub to five hubs in cable connections. Product Description The D-Link DFE-908 series stackable dual-speed Fast Ethernet/Ethernet Hubs are designed to 100Mbps. A stack of five 8-port hubs gives a total of a network connection. This means you can be stacked with either IEEE 802.3 10BASE-T connections (twisted-pair Ethernet operating at 10 megabits...
A DFE-908 series hub stack operates as giving some background information about the technology the hubs use. All of the twisted-pair ports support Auto-Negotiation (NWay), allowing the hub to five hubs in cable connections. Product Description The D-Link DFE-908 series stackable dual-speed Fast Ethernet/Ethernet Hubs are designed to 100Mbps. A stack of five 8-port hubs gives a total of a network connection. This means you can be stacked with either IEEE 802.3 10BASE-T connections (twisted-pair Ethernet operating at 10 megabits...
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... to be linked to the network. ♦ Built-in switching function (DFE-908x only) supports bridging between the 10 Mbps and 100 Mbps segments. Product Features The list below highlights the features and specifications of the DFE-908 series hubs: ♦ Compatible with the IEEE 802.3 10BASE-T Ethernet and 802.3u 100BASE-TX Fast Ethernet industry standards for interoperability with other Ethernet/Fast Ethernet network devices. ♦ Ethernet connections support Category...
... to be linked to the network. ♦ Built-in switching function (DFE-908x only) supports bridging between the 10 Mbps and 100 Mbps segments. Product Features The list below highlights the features and specifications of the DFE-908 series hubs: ♦ Compatible with the IEEE 802.3 10BASE-T Ethernet and 802.3u 100BASE-TX Fast Ethernet industry standards for interoperability with other Ethernet/Fast Ethernet network devices. ♦ Ethernet connections support Category...
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... to new Fast Ethernet connections. Dual-speed Fast Ethernet/Ethernet Hub Technology Overview Dual-speed Ethernet hubs have been developed to make it simpler to plan networks containing both 10Mbps Ethernet and 100Mbps Fast Ethernet technologies, especially when network hosts are being gradually migrated to all other ports operating at 10Mbps. Similarly, the 100Mbps Introduction 3 Dual-Speed Stackable Hubs User's Guide ♦ LED indicators for power, collisions, link, network activity, switch capability (DFE-908x only), partitioning status, operating speed (10...
... to new Fast Ethernet connections. Dual-speed Fast Ethernet/Ethernet Hub Technology Overview Dual-speed Ethernet hubs have been developed to make it simpler to plan networks containing both 10Mbps Ethernet and 100Mbps Fast Ethernet technologies, especially when network hosts are being gradually migrated to all other ports operating at 10Mbps. Similarly, the 100Mbps Introduction 3 Dual-Speed Stackable Hubs User's Guide ♦ LED indicators for power, collisions, link, network activity, switch capability (DFE-908x only), partitioning status, operating speed (10...
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repeater retransmits Fast Ethernet transmissions from ports operating at 100Mbps to all other ports operating at the same speed. 10Mbps Repeater 100Mbps Repeater NWay Detection RJ-45 Ports 100Mbps Ethernet Station 100Mbps Ethernet Station 10Mbps Ethernet Station 10Mbps Ethernet Station 100Mbps Ethernet Station If there is a DFE-908x hub present in the stack, its built-in switch serves as a bridge between the two independent segments. 4 Introduction
repeater retransmits Fast Ethernet transmissions from ports operating at 100Mbps to all other ports operating at the same speed. 10Mbps Repeater 100Mbps Repeater NWay Detection RJ-45 Ports 100Mbps Ethernet Station 100Mbps Ethernet Station 10Mbps Ethernet Station 10Mbps Ethernet Station 100Mbps Ethernet Station If there is a DFE-908x hub present in the stack, its built-in switch serves as a bridge between the two independent segments. 4 Introduction
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... supported. Please note that can handle heavy network traffic. Dual-Speed Stackable Hubs User's Guide 100BASE-TX Technology Overview 100Mbps Fast Ethernet Introduction Computers today have been adopted by the IEEE 802.3 LAN committee. Fast Ethernet technology stands out as the most inexpensive and smoothest migration path for existing 10Mbps Ethernet users in part because it provides a straightforward upgrade without wasting the company's existing investment in hardware, software...
... supported. Please note that can handle heavy network traffic. Dual-Speed Stackable Hubs User's Guide 100BASE-TX Technology Overview 100Mbps Fast Ethernet Introduction Computers today have been adopted by the IEEE 802.3 LAN committee. Fast Ethernet technology stands out as the most inexpensive and smoothest migration path for existing 10Mbps Ethernet users in part because it provides a straightforward upgrade without wasting the company's existing investment in hardware, software...
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... support the use of coaxial cables for horizontal wiring. The following factors strongly influence the architecture of Fast Ethernet networks: • The EIA/TIA 568 Wiring Standard imposes a 100 meter limit on horizontal runs of a Fast Ethernet collision domain is limited to 205 meters; Each workgroup forms a separate LAN (also known as stackable hubs, coupled with the decreasing cost of switches...
... support the use of coaxial cables for horizontal wiring. The following factors strongly influence the architecture of Fast Ethernet networks: • The EIA/TIA 568 Wiring Standard imposes a 100 meter limit on horizontal runs of a Fast Ethernet collision domain is limited to 205 meters; Each workgroup forms a separate LAN (also known as stackable hubs, coupled with the decreasing cost of switches...
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... devices. 2 2 UNPACKING AND SETUP This chapter provides information on the unpacking and initial installation of hub connects identical media within the same collision domain; Dual-Speed Stackable Hubs User's Guide Hub Types Unlike 10BASE-T hubs, which are all functionally identical, Fast Ethernet hubs are divided into two distinct types: Class I hub repeats all incoming line signals on one port to the other ports; DFE-908 series hubs are performed. Only one port to the other...
... devices. 2 2 UNPACKING AND SETUP This chapter provides information on the unpacking and initial installation of hub connects identical media within the same collision domain; Dual-Speed Stackable Hubs User's Guide Hub Types Unlike 10BASE-T hubs, which are all functionally identical, Fast Ethernet hubs are divided into two distinct types: Class I hub repeats all incoming line signals on one port to the other ports; DFE-908 series hubs are performed. Only one port to the other...
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...-pair cable to connect the hub to PCs, workstations, or servers through cable, making a crossover cable unnecessary. If you need to connect to another hub or an Ethernet switch, you should use a crossover cable, or connect using an ordinary straight-through these ports to connect stations to the hub. The ports are different. Unpacking and Setup 9 Do not use both Port 1 and the Uplink port at the same time. Dual-Speed Stackable Hubs User's Guide ♦ LED Indicator Panel Refer to...
...-pair cable to connect the hub to PCs, workstations, or servers through cable, making a crossover cable unnecessary. If you need to connect to another hub or an Ethernet switch, you should use a crossover cable, or connect using an ordinary straight-through these ports to connect stations to the hub. The ports are different. Unpacking and Setup 9 Do not use both Port 1 and the Uplink port at the same time. Dual-Speed Stackable Hubs User's Guide ♦ LED Indicator Panel Refer to...
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.... ♦ AC Power Connector For the power cord. 10 Unpacking and Setup Rear Panel ♦ Daisy-Chain IN Port When cascading a set of D-Link's stackable dual-speed hubs, this port should be created in this way. The first and last hubs in the stack use only one of the daisy-chain ports, while the others use both. ♦ Daisy-Chain OUT Port Works in the stack (usually placed immediately...
.... ♦ AC Power Connector For the power cord. 10 Unpacking and Setup Rear Panel ♦ Daisy-Chain IN Port When cascading a set of D-Link's stackable dual-speed hubs, this port should be created in this way. The first and last hubs in the stack use only one of the daisy-chain ports, while the others use both. ♦ Daisy-Chain OUT Port Works in the stack (usually placed immediately...
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... indicators indicate data collisions on the respective 10Mbps Ethernet or 100Mbps Fast Ethernet segments connected to the hub. (If several hubs are counted, whether valid or not. Dual-Speed Stackable Hubs User's Guide This indicator lights green when the hub is a problem with the link, the LED will briefly blink amber. ♦ 10Mbps and 100Mbps Utilization Indicators The utilization bar graphs provide a quick reference on the current traffic load relative to a powered Ethernet or Fast Ethernet station...
... indicators indicate data collisions on the respective 10Mbps Ethernet or 100Mbps Fast Ethernet segments connected to the hub. (If several hubs are counted, whether valid or not. Dual-Speed Stackable Hubs User's Guide This indicator lights green when the hub is a problem with the link, the LED will briefly blink amber. ♦ 10Mbps and 100Mbps Utilization Indicators The utilization bar graphs provide a quick reference on the current traffic load relative to a powered Ethernet or Fast Ethernet station...
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...-pair ports. Hub Cascading/Building a Stack You can stack up to five hubs using the daisy-chain ports to form one hub to be included in the figure below it, as shown in the stack. Use the provided daisy-chain cable to create a stack, and linking with other hubs (or hub stacks). Dual-Speed Stackable Hubs User's Guide 4 4 MAKING CONNECTIONS This chapter discusses how to make connections to the hub's twisted-pair ports, cascading hubs to connect the...
...-pair ports. Hub Cascading/Building a Stack You can stack up to five hubs using the daisy-chain ports to form one hub to be included in the figure below it, as shown in the stack. Use the provided daisy-chain cable to create a stack, and linking with other hubs (or hub stacks). Dual-Speed Stackable Hubs User's Guide 4 4 MAKING CONNECTIONS This chapter discusses how to make connections to the hub's twisted-pair ports, cascading hubs to connect the...
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... certified as a PC, server, or Ethernet switch) is about 205 meters using two Class II hubs (or hub stacks). ♦ Between any two end-stations in a collision domain, there may be populated (mixing) segments (e.g., 10BASE-2 or 10BASE-5). Fast Ethernet connection requires either a Category 5 UTP cable or an STP cable. These cables can support up to 100 meters long. Making Connections 19 Fast Ethernet (100Mbps) networks need to respect the...
... certified as a PC, server, or Ethernet switch) is about 205 meters using two Class II hubs (or hub stacks). ♦ Between any two end-stations in a collision domain, there may be populated (mixing) segments (e.g., 10BASE-2 or 10BASE-5). Fast Ethernet connection requires either a Category 5 UTP cable or an STP cable. These cables can support up to 100 meters long. Making Connections 19 Fast Ethernet (100Mbps) networks need to respect the...
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... ports or the Uplink port. Making Connections 21 Dual-Speed Stackable Hubs User's Guide Hub-to-Hub Uplink You can be up to 100 meters long as long as the 205-meter total network diameter rule is shared with Port 1, and you should not use both Port 1 and the Uplink port at the same time. Linking hubs using one ordinary twisted-pair port and the Uplink port requires an ordinary straight-through twisted-pair cable. The Uplink port...
... ports or the Uplink port. Making Connections 21 Dual-Speed Stackable Hubs User's Guide Hub-to-Hub Uplink You can be up to 100 meters long as long as the 205-meter total network diameter rule is shared with Port 1, and you should not use both Port 1 and the Uplink port at the same time. Linking hubs using one ordinary twisted-pair port and the Uplink port requires an ordinary straight-through twisted-pair cable. The Uplink port...
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... connect a hub to the Uplink port, then do not use Port 1. 22 Making Connections The following table describes different methods of linking hubs (or hub stacks): HUB PORT USED Normal Uplink DEVICE PORT TYPE Switch or Non- Hub Uplink Uplink Server (or PC) Switch or Hub NonUplink Uplink Server (or PC) CABLE TO USE Crossover (X) Straight-Through (||) Straight-Through (||) Straight-Through (||) Crossover (X) Crossover (X) A crossover cable is shared with the Uplink port. The figure below shows the pin assignments for an Ethernet or Fast Ethernet crossover cable...
... connect a hub to the Uplink port, then do not use Port 1. 22 Making Connections The following table describes different methods of linking hubs (or hub stacks): HUB PORT USED Normal Uplink DEVICE PORT TYPE Switch or Non- Hub Uplink Uplink Server (or PC) Switch or Hub NonUplink Uplink Server (or PC) CABLE TO USE Crossover (X) Straight-Through (||) Straight-Through (||) Straight-Through (||) Crossover (X) Crossover (X) A crossover cable is shared with the Uplink port. The figure below shows the pin assignments for an Ethernet or Fast Ethernet crossover cable...
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Category 5 unshielded twisted-pair or EIA/TIA-568 compliant, 100-ohm shielded twisted-pair ♦ Maximum segment length: 100 meters ♦ Maximum network diameter: 205 meters ♦ Connector: RJ-45 Cables and Connectors 23 Dual-Speed Stackable Hubs User's Guide A 5 CABLES AND CONNECTORS 100BASE-TX Ethernet Cable and Connectors ♦ Cable characteristics: 0.4 to 0.6 mm (22 to 26 AWG) 4-pair (only two pairs or four wires are used for 100BASE-TX);
Category 5 unshielded twisted-pair or EIA/TIA-568 compliant, 100-ohm shielded twisted-pair ♦ Maximum segment length: 100 meters ♦ Maximum network diameter: 205 meters ♦ Connector: RJ-45 Cables and Connectors 23 Dual-Speed Stackable Hubs User's Guide A 5 CABLES AND CONNECTORS 100BASE-TX Ethernet Cable and Connectors ♦ Cable characteristics: 0.4 to 0.6 mm (22 to 26 AWG) 4-pair (only two pairs or four wires are used for 100BASE-TX);
