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D-Link DES-1008D, User Manual

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 10/100 Dual-Speed Switch User’s Guide

Cables and Connectors

29

B

6  

C

ABLES AND

C

ONNECTORS

When connecting the switch to another switch, bridge or hub, a
crossover cable may be necessary.

The following diagrams and tables show the standard RJ-45
receptacle/connector and their pin assignments.

 

The standard RJ-45 port and connector

Summary of Contents for DES-1008D

Page 1: ...DES 1008D 10 100 Dual Speed Ethernet Fast Ethernet Switch User s Guide Rev 04 Dec 1999 6DES1008D 04 Printed In Taiwan RECYCLABLE ...

Page 2: ...ems Inc All other trademarks belong to their respective proprietors Copyright Statement No part of this publication may be reproduced in any form or by any means or used to make any derivative such as translation transformation or adaptation without permission from D Link Corporation D Link Systems Inc as stipulated by the United States Copyright Act of 1976 ...

Page 3: ...ollten Sie es vom Stromnetz trennen Somit wird im Falle einer Überspannung eine Beschädigung vermieden 13 Durch die Lüftungsöffnungen dürfen niemals Gegenstände oder Flüssigkeiten in das Gerät gelangen Dies könnte einen Brand bzw Elektrischen Schlag auslösen 14 Öffnen Sie niemals das Gerät Das Gerät darf aus Gründen der elektrischen Sicherheit nur von authorisiertem Servicepersonal geöffnet werden...

Page 4: ...ling of warranty correction then at the time of requesting RMA number Purchaser may also propose special procedure as may be suitable to the case After an RMA number is issued the defective product must be packaged securely in the original or other suitable shipping package to ensure that it will not be damaged in transit and the RMA number must be prominently marked on the outside of the package ...

Page 5: ... will be corrected LIMITATION OF WARRANTIES IF THE D LINK PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE THE CUSTOMER S SOLE REMEDY SHALL BE AT D LINK S OPTION REPAIR OR REPLACEMENT THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED EITHER IN FACT OR BY OPERATION OF LAW STATUTORY OR OTHERWISE INCLUDING WARRANTIES OF MERCHANTABILITY AND FIT...

Page 6: ...art 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with this user s guide may cause harmful interference to radio communications Operation of this equipment in a resid...

Page 7: ...4 Increasing Network Bandwidth 5 High speed Backbones and Servers 5 Extending Fast Ethernet Networks 6 10 Mbps to 100 Mbps Switching 6 DES 1008D DUAL SPEED SWITCH 7 Performance Features 7 2 UNPACKING AND SETUP 9 UNPACKING 9 SETUP 10 DESKTOP OR SHELF INSTALLATION 11 WALL INSTALLATION 11 POWER ON 13 LED Indicators 13 Power Failure 14 3 IDENTIFYING EXTERNAL COMPONENTS 15 FRONT PANEL 15 REAR AND SIDE ...

Page 8: ...PC TO SWITCH 20 HUB TO SWITCH 22 Using a straight cable 22 Using a crossover cable 23 10BASE T Hubs 23 10 100 Dual speed and 100Base TX Hubs 24 SWITCH TO SWITCH OR OTHER DEVICES 24 Using a straight cable 25 Using a crossover cable 25 5 TECHNICAL SPECIFICATIONS 27 6 CABLES AND CONNECTORS 29 7 INDEX 32 ...

Page 9: ...rovides detailed specifications and discusses how to install your DES 1008D Dual speed Switch Conventions For simplicity the term switch refers to all Dual speed Ethernet or Fast Ethernet switches including the DES 1008D The model number is used only to explain features specific to the DES 1008D switch Overview of this User s Guide Chapter 1 Introduction Describes the switch and its features Chapt...

Page 10: ...h Chapter 4 Connecting the Switch Tells how you can connect the DES 1008D to your Ethernet Fast Ethernet network Appendix A Technical Specifications Lists the technical general physical and environmental and performance specifications of the switch Appendix B Cables and Connectors Describes the RJ 45 receptacle connector and the straight and crossover cable connector ...

Page 11: ...ed to provide greater bandwidth and improve client server response times Among them Fast Ethernet or 100Base T provides a non disruptive and smooth evolution from the current 10Base T Ethernet technology Fast Ethernet is a new standard specified by the IEEE 802 3 LAN committee It is an extension of the 10 Mbps Ethernet standard with the ability to transmit and receive data at 100 Mbps while mainta...

Page 12: ...eed to translate between Ethernet and Fast Ethernet protocols This allows for much lower latencies making your network faster and easy installation especially if the devices use NWay Auto Negotiation technology NWay is implemented on a port by port basis on dual speed devices If NWay is implemented on a port it will automatically sense the connection speed 10 or 100 Mbps and duplex mode full or ha...

Page 13: ...then forwards the packets out the switch port that leads to the destination Unlike a hub which receives a signal from one port and repeats it to all other ports a switch is selective as to which port will receive the data being sent involving only two ports of the switch the source and destination ports The CSMA CD medium access scheme which Ethernet and Fast Ethernet are based on requires all sta...

Page 14: ...n and stations connected to different ports on a switch reside in different collision domains A switch allows high speed collision free communication between the collision domains connected to it If for example eight Ethernet stations are connected to an Ethernet hub they share the 10 Mbps Ethernet bandwidth This results in an average bandwidth per station of 1 25 Mbps If the same eight stations a...

Page 15: ... capacity If the ports are using full duplex connections and the receiving ports are simultaneously transmitting then the switch is handling 400 Mbps of data doubling the overall network bandwidth once again A switch that can process simultaneous full duplex traffic from all of its ports is able to operate at full wire speed The total amount of traffic a switch can handle is called the aggregate b...

Page 16: ...cussed earlier switches are not subject to collision domain restrictions Connections to switches are only subject to the 100 meter limit placed on lengths of twisted pair cabling Thus Fast Ethernet or dual speed switches can be used at one or both ends of a Fast Ethernet collision domain and more Fast Ethernet devices can be connected to the network through the switch The new devices connected thr...

Page 17: ... Uplink MDI II port for straight through connections to another switch hub or repeater Store and forward switching scheme ensures data integrity Auto polarity feature corrects reversed polarity on the transmit and receive twisted pairs for each port 100 full wire speed data forwarding for 100 Mbps Fast Ethernet 148 800 pps and 10 Mbps Ethernet 14 880 pps on all ports 1 6 gigabit per second aggrega...

Page 18: ...10 100 Dual Speed Switch User s Guide 8 Introduction 1K active MAC address table with self learning and table aging 1 MB memory with dynamic port buffering reduces lost packets ...

Page 19: ...ing carton of the switch and carefully unpack its contents The carton should contain the following items One DES 1008D 10 100 Dual speed Switch One AC power adapter One AC power cord This User s Guide Four rubber feet with adhesive backing Wall mount kit consisting of two tapping screws and two nylon anchors If any item is found missing or damaged please contact your local D Link Reseller for repl...

Page 20: ...er port Make sure that there is proper heat dissipation from and adequate ventilation around the switch Leave at least 10 cm of space at the front and rear of the switch for ventilation Install the switch in a fairly cool and dry place See Appendix A Technical Specifications for the acceptable temperature and humidity operating ranges Install the switch in a site free from strong electromagnetic f...

Page 21: ... Attach these cushioning feet on the bottom at each corner of the device Allow enough ventilation space between the switch and any other objects in the vicinity Figure 2 1 DES 1008D Dual speed Switch installed on a Desktop or Shelf Wall Installation The DES 1008D comes complete with a wall mount kit This kit includes two screws and two plastic anchors For a proper placement on the wall follow thes...

Page 22: ...e same distance as the screw support holes located on the bottom of the switch Do not drill these holes too deep Insert the nylon anchors into the holes in the wall and imbed them with gentle taps of a hammer Screw in the screws provided with the wall mount kit into the plastic anchors Do not insert the screws with excessive torque The screw s head and with a small portion of the screw s body shou...

Page 23: ...VAC 50 60 Hz To turn the switch on plug one end of the power adapter cord into the DC power connector of the switch and the other end into the local power source outlet The power adapter will adjust to the local power source automatically and may be turned on before having any LAN segment cables connected LED Indicators After the switch is turned on the LED indicators should respond as follows ...

Page 24: ...a reset of the system The power LED indicator will remain ON Power Failure As a precaution the switch should be turned OFF in case of a foreseeable power failure Disconnect the power cord from the local power source When power is resumed plug the switch back in to turn the switch ON At all times avoid leaving the switch ON in anticipation of a power failure ...

Page 25: ...scribes the front rear side panels and LED indicators of the switch Front Panel The front panel consists of the LED indicators of the switch Power 100M Link Act and FDX The LED indicators are used to facilitate monitoring and troubleshooting Figure 3 1 Front panel view of the DES 1008D Switch Power DES 1008D 1 2 3 4 5 6 7 8 ...

Page 26: ...uide see Features Chapter 1 Figure 3 2 Rear panel view of the DES 1008D switch Figure 3 3 Side panel view of the DES 1008D switch AC Power Adapter This is a two pronged external power adapter that transforms AC current from the power outlet to DC current to supply the switch Plug in the female connector of the provided power cord into this connector and the male into a power outlet Supported input...

Page 27: ...ure proper insertion of the power cord 10 100 The LED indicator lights green when a 100 Mbps device is connected to a port or the uplink port If a 10 Mbps device is connected to a port or the uplink port the LED indicator is OFF Link Act These LED indicators are lighted up green when there is a secure connection or link to a device at the analogous port The LED indicators blink green whenever ther...

Page 28: ...10 100 Dual Speed Switch User s Guide 18 Identifying External Components operations It blinks when collisions are occurring on the respective port ...

Page 29: ... the switch to any other device 10 Mbps Ethernet connections must use Category 3 or better twisted pair cabling fitted with RJ 45 connectors 100 Mbps Fast Ethernet connections must use shielded twisted pair STP or Category 5 or better unshielded twisted pair UTP cables fitted with Category 5 RJ 45 connectors Cat 5 UTP cables use the same RJ 45 connector used with 10BASE T wired in the same configu...

Page 30: ...Straight Through Uplink Switch Uplink Crossover X Server or PC Crossover X A crossover cable is a normal straight through twisted pair cable in which the wires have been crossed at one end Please refer to Appendix B Cables and Connectors for more detailed information about crossover cables PC to Switch A PC can be directly connected to the switch giving the PC a high bandwidth dedicated connection...

Page 31: ...e switch Figure 4 1 PC or Workstation connected to a DES 1008D Switch The LED indicators for PC connection are dependent on the LAN card NIC capabilities If no LED indicators are illuminated after connecting the cable check the PC s LAN card the cable switch conditions and connections The following are LED indicator possibilities for a PC to switch connection 1 The port s corresponding 100M indica...

Page 32: ...b needs to use Category 5 or better UTP STP Figure 4 2 DES 1008D Switch connected to a 10 or 100Base TX Hub NOTE The first twisted pair port Port 1x is shared with the Uplink port If you connect a hub to the Uplink port then do not use Port 1x and vice versa Never have devices connected to the Uplink port and Port 1x at the same time Using a straight cable The connection shown above uses a normal ...

Page 33: ...switch and the Uplink port MDI II on the hub then a crossover cable must be used Using a crossover cable is also necessary when connecting a normal twisted pair port MDI X on the switch to a normal twisted pair MDI X port on the hub More detailed information about making and using crossover cables can be found in Appendix B Cables and Connectors Please note that a crossover cable must be used when...

Page 34: ... other devices The DES 1008D Dual speed Switch can be connected to another switch or other devices routers bridges etc via a two pair Category 3 4 5 UTP STP straight or crossover cable When connecting the DES 1008D to a 10 Mbps only Ethernet device a Category 3 4 or 5 UTP STP cable can be used a connection to a 10 100 dual speed or 100 Mbps Fast Ethernet device needs to use Category 5 or better UT...

Page 35: ...r MDI X ports to another device s Uplink MDI II port Please note that a straight through cable is always used when connecting an MDI X port to an MDI II port Using a crossover cable The connection shown above uses a crossover cable to connect Port 2x a normal twisted pair MDI X port on the DES 1008D switch to one of the non Uplink MDI X twisted pair ports on the hub A crossover cable must also be ...

Page 36: ...ch for the respective connected ports are as follows 1 The 100M indicator LED lights for a 100 Mbps link and stays dark for 10 Mbps 2 The Link Act LED indicator illuminates upon hookup 3 The FDX LED indicator lights for full duplex remains dark for a half duplex link and blinks when collisions take place ...

Page 37: ...gotiation Protocol CSMA CD Data Transfer Rate Ethernet Fast Ethernet 10 Mbps half duplex 100Mbps half duplex 20 Mbps full duplex 200Mbps full duplex Topology Star Network Cables 10BaseT 100Base TX 2 pair UTP Category 3 4 5 100 m EIA TIA 568 100 ohm STP 100 m 2 pair UTP Cat 5 100 m EIA TIA 568 100 ohm STP 100 m Number of Ports 8 x 10 100 Mbps MDI X ports Media Interface Exchange MDI II RJ 45 shared...

Page 38: ...ture 13 131 F 25 55 C Humidity 5 95 non condensing Dimensions 197x115x28 mm 1U Weight 1 5 Kg EMI CE Class A C Tick Class A FCC Class A VCCI Class A BSMI Class A Safety UL UL 1950 CSA CSA950 TUV GS EN60950 Performance Transmission Method Store and forward RAM Buffer 1 MB per device MAC Address Table 1 Kb entries per device Packet Filtering Forwarding Rate 148 800 pps per port for 100Mbps 14 880 pps...

Page 39: ... B 6 CABLES AND CONNECTORS When connecting the switch to another switch bridge or hub a crossover cable may be necessary The following diagrams and tables show the standard RJ 45 receptacle connector and their pin assignments The standard RJ 45 port and connector ...

Page 40: ...ssignments Straight cable for use with MDI II to MDI X connections With a crossover cable two pairs of wires are switched at one connector end Carry out the following steps to create a customized crossover twisted pair cable 1 Leave one end of the cable as is with the RJ 45 connector intact The wiring at just one end of the cable needs to be modified 2 At the other end of the cable connect wires 1...

Page 41: ...10 100 Dual Speed Switch User s Guide Cables and Connectors 31 Crossover cable for use with MDI X to MDI X and or MDI II to MDI II connections ...

Page 42: ...ons 28 F Fast Ethernet 1 Fast Ethernet Technology 1 Front Panel 15 H heat dissipation 10 Hub to Switch 22 Humidity 28 I Identifying External Components 15 IEEE 802 3 LAN 1 L LAN card 21 LED Indicators 17 Link Act 17 M MAC address entry table 8 MAC Address Learning 28 O Operating Temperature 28 P PC to Switch 20 Performance features 7 Ports 7 power 17 Power 17 Power Consumption 28 Power Failure 14 ...

Page 43: ...Guide Index 33 RJ 45 Pin Specification 29 S Setup 10 Storage Temperature 28 Store and forward 7 Switch to Switch other devices 24 T Transmission Method 28 U Unpacking 9 Uplink MDI II 7 V ventilation 10 W Wall Installation 11 Weight 28 ...

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Page 45: ... LINK GERMANY Bachstr 22 D 65830 Kriftel Germany TEL 49 0 6192 97110 FAX 49 0 6192 971111 WEB www dlink de BBS 49 0 6192 971199 Analog 49 0 6192 9711 98 ISDN INFO 00800 7250 0000 toll free HELP 00800 7250 4000 toll free INDIA D LINK INDIA Plot No 5 Kurla Bandra Complex Road Off Cst Road Santacruz E Bombay 400 098 India TEL 91 22 6526578 FAX 91 22 6528476 WEB www dlink india com ITALY D LINK ITALY ...

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Page 47: ... product 1 Where and how will the product primarily be used Home Office Travel Company Business Home Business Personal Use 2 How many employees work at installation site 1 employee 2 9 10 49 50 99 100 499 500 999 1000 or more 3 What network protocol s does your organization use XNS IPX TCP IP DECnet Others_____________________________ 4 What network operating system s does your organization use D ...

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