D-Link DFE-916X - Manuals

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About this Guide viii 0 A BOUT THIS G UIDE This guide discusses how to install and use the D-Link DFE-916 seriesdual-speed stackable Ethernet/Fast Ethernet hubs. Conventions As used in this manual, the expression "DFE-916 series" includes both theDFE-916 and the DFE-916x. Unless a specific m...

Dual-Speed Stackable Hubs User’s Guide Introduction 1 1 1 I NTRODUCTION This chapter introduces DFE-916 series dual-speed stackable hubs, as wellas giving some background information about the technology the hubs use. Product Description D-Link DFE-916 series dual-speed stackable Ethernet/Fast Ether...

Introduction 2 In the basic configuration, 10Mbps and 100Mbps segments are separate anddo not intercommunicate. An optional DFE-260S switching module (in-cluded with the DFE-916x) can be installed in any hub in the stack, makingit possible to transparently bridge between 10Mbps and 100Mbps segments....

Dual-Speed Stackable Hubs User’s Guide Introduction 5 10Mbps Repeater 100Mbps Repeater NWay Detection RJ-45 Ports 100Mbps Ethernet Station 100Mbps Ethernet Station 10Mbps Ethernet Station 10Mbps Ethernet Station 100Mbps Ethernet Station DFE-260s Switch Module 100BASE-TX Technology Overview 100Mbps F...

Introduction 6 CSMA/CD Ethernet protocol. Since Fast Ethernet is compatible with all10Mbps Ethernet environments, it provides a straightforward upgrade with-out wasting the company’s existing investment in hardware, software, andtrained personnel. Cables and Connectors Category 5 unshielded twisted-...

Dual-Speed Stackable Hubs User’s Guide Introduction 7 Network Diameter Network diameter, which is the distance between two end-stations in thesame collision domain, is the primary difference between traditionalEthernet and Fast Ethernet. Due to the increased speed in Fast Ethernetand adherence to th...

Dual-Speed Stackable Hubs User’s Guide Unpacking and Setup 9 2 2 U NPACKING AND S ETUP This chapter provides information on the unpacking and initial installationof your hub stack. Unpacking Open the shipping carton of your hub and carefully unpack the contents.The carton should contain the followin...

Unpacking and Setup 10 Identifying External Components This section identifies all the major external components of the hub. Boththe front and rear panels are shown, followed by a description of each panelfeature. The indicator panel is described in detail in the next chapter. Front Panel ♦ LED Indi...

Dual-Speed Stackable Hubs User’s Guide Unpacking and Setup 11 For more information about crossover connection, see the section enti-tled Crossover Cables section on page 30. ♦ Uplink Port The Uplink port is an MDI-II port, which means you can connect thehub (or hub stack) to another device with MDI-...

Unpacking and Setup 12 hubs can be created in this way. The first and last hubs in the stack useonly one of the daisy-chain ports, while the others use both. ♦ Daisy-Chain OUT Port Works in conjunction with the Daisy-Chain IN Port (see above). Con-nect this port to the Daisy-Chain IN Port of the nex...

Dual-Speed Stackable Hubs User’s Guide Unpacking and Setup 13 ♦ Leave at least 10cm of space at the front and rear of the hub forventilation. ♦ Install the hub on a sturdy, level surface that can support its weight.When installing the hub stack on a level surface, attach the rubberfeet to the bottom...

Unpacking and Setup 14 Connecting the Power Supply Power is supplied to the stackable Fast Ethernet hub through an AC powercord. The AC power input voltage ranges from 100 to 240 VAC. A powercord is included with the device.

Dual-Speed Stackable Hubs User’s Guide Understanding Indicators 15 3 3 U NDERSTANDING I NDICATORS Before connecting network devices to the hub, take a few minutes to lookover this section and familiarize yourself with the front panel LED indica-tors of your dual-speed hub, depicted below.

Understanding Indicators 16 Hub State Indicators ♦ Power Indicator This indicator lights green when the hub is receiving power; otherwise,it is off. ♦ Collision Indicators (COL10M and COL100M) These indicators indicate data collisions on the respective 10MbpsEthernet or 100Mbps Fast Ethernet segment...

Dual-Speed Stackable Hubs User’s Guide Understanding Indicators 17 Module Indicators (SLOT) The module indicator indicates a good link to a module installed in the re-spective slot. For the DFE-260S switching module, the indicator will comeon when the module is installed. For the DFE-260FX and DFE-2...

Understanding Indicators 18 ♦ Auto-partition (blinking amber) The indicator of a port blinks amber when the port is automatically par-titioned due to an abnormal network condition. The hub will temporarily partition a port when too many line errors ortoo many collisions are detected on the port. Whi...

Dual-Speed Stackable Hubs User’s Guide Making Connections 19 4 4 M AKING C ONNECTIONS This chapter discusses how to make connections to the hub’s twisted-pairports, cascading hubs to create a stack, and linking with other hubs (or hubstacks). Hub Cascading/Building a Stack You can stack up to five h...

Making Connections 20 Hubs should not be added to the stack or removed from the stack while thepower is on to any hub in the stack. Always turn off power to the entirestack before adding or removing hubs. Connectivity Rules Ethernet (10Mbps) networks have the following connectivity rules: ♦ The maxi...

Dual-Speed Stackable Hubs User’s Guide Making Connections 21 FL), while the remaining segments may be populated (mixing) seg-ments (e.g., 10BASE-2 or 10BASE-5). Fast Ethernet (100Mbps) networks have the following connectivity rules: ♦ The maximum length of a twisted-pair segment (that is, the distan...

Making Connections 24 A crossover cable is a straight-through twisted-pair cable in which thewires have been crossed. The figure below shows the pin assignments foran Ethernet or Fast Ethernet crossover cable: NOTE: The first twisted-pair port (Port 1) is sharedwith the Uplink port. If you connect a...

Dual-Speed Stackable Hubs User’s Guide Cables and Connectors 29 A 5 C ABLES AND C ONNECTORS 100BASE-TX Ethernet Cable andConnectors ♦ Cable characteristics: Category 5 unshielded twisted-pair orEIA/TIA-568 compliant, 100-ohm shielded twisted-pair data cablewith 0.4 to 0.6 mm (22 to 26 AWG) wires in ...

Dual-Speed Stackable Hubs User’s Guide Cables and Connectors 30 Straight Twisted-Pair Cable Pinouts Contact MDI-X Signal MDI-II Signal 1 RD+ (receive) TD+ (transmit) 2 RD- (receive) TD- (transmit) 3 TD+ (transmit) RD+ (receive) 4 Not used Not used 5 Not used Not used 6 TD- (transmit) RD- (receive) 7...

Dual-Speed Stackable Hubs User’s Guide Specifications 33 B 6 S PECIFICATIONS General Standards: IEEE 802.3 10BASE-T Ethernet repeater, IEEE 802.3u 100BASE-TX Fast Ethernet repeater (Class II); ANSIX3T9.5 Twisted-Pair Transceiver Topology: Star Protocol: CSMA/CD Network Data Transfer Rate: Fast Ether...

Specifications 34 Hub-to-Hub Cascading Number of Daisy-Chained Hubs: Maximum of 5 hubs per stack Daisy-Chain Port: MiniSCSI-type connector × 2 Daisy-Chain Cable: SCSI-type cable (supplied) LED Indicators Hub Status: Power, 10Mbps collision, 100Mbps collision, 10Mbps utili- zation, 100Mbps utilizatio...

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