D-Link DES-2212 User manual

10/100Mbps
Ethernet/Fast Ethernet
Switch
Model DES-2212
User’s Guide
Rev. 02 (October, 1997)
6DES2212..02
Printed In Taiwan
RECYCLABLE

Wichtige Sicherheitshinweise
1. Bitte lesen Sie sich diese Hinweise sorgfältig durch.
2. Heben Sie diese Anleitung für den spätern Gebrauch auf.
3. Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Vervenden Sie keine Flüssig- oder
Aerosolreiniger. Am besten dient ein angefeuchtetes Tuch zur Reinigung.
4. Um eine Beschädigung des Gerätes zu vermeiden sollten Sie nur Zubehörteile verwenden, die vom
Hersteller zugelassen sind.
5. Das Gerät is vor Feuchtigkeit zu schützen.
6. Bei der Aufstellung des Gerätes ist auf sichern Stand zu achten. Ein Kippen oder Fallen könnte
Verletzungen hervorrufen. Verwenden Sie nur sichere Standorte und beachten Sie die Aufstellhinweise des
Herstellers.
7. Die Belüftungsöffnungen dienen zur Luftzirkulation die das Gerät vor Überhitzung schützt. Sorgen Sie
dafür, daß diese Öffnungen nicht abgedeckt werden.
8. Beachten Sie beim Anschluß an das Stromnetz die Anschlußwerte.
9. Die Netzanschlußsteckdose muß aus Gründen der elektrischen Sicherheit einen Schutzleiterkontakt haben.
10. Verlegen Sie die Netzanschlußleitung so, daß niemand darüber fallen kann. Es sollete auch nichts auf der
Leitung abgestellt werden.
11. Alle Hinweise und Warnungen die sich am Geräten befinden sind zu beachten.
12. Wird das Gerät über einen längeren Zeitraum nicht benutzt, sollten 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.
15. Wenn folgende Situationen auftreten ist das Gerät vom Stromnetz zu trennen und von einer qualifizierten
Servicestelle zu überprüfen:
a – Netzkabel oder Netzstecker sint beschädigt.
b – Flüssigkeit ist in das Gerät eingedrungen.
c – Das Gerät war Feuchtigkeit ausgesetzt.
d – Wenn das Gerät nicht der Bedienungsanleitung ensprechend funktioniert oder Sie mit Hilfe dieser
Anleitung keine Verbesserung erzielen.
e – Das Gerät ist gefallen und/oder das Gehäuse ist beschädigt.
f – Wenn das Gerät deutliche Anzeichen eines Defektes aufweist.
16. Bei Reparaturen dürfen nur Orginalersatzteile bzw. den Orginalteilen entsprechende Teile verwendet
werden. Der Einsatz von ungeeigneten Ersatzteilen kann eine weitere Beschädigung hervorrufen.
17. Wenden Sie sich mit allen Fragen die Service und Repartur betreffen an Ihren Servicepartner. Somit
stellen Sie die Betriebssicherheit des Gerätes sicher.

WARRANTIES EXCLUSIVE
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 FITNESS
FOR A PARTICULAR PURPOSE. D-LINK NEITHER ASSUMES NOR AUTHORIZES ANY OTHER
PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE,
INSTALLATION MAINTENANCE OR USE OF D-LINK'S PRODUCTS
D-LINK SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION
DISCLOSE THAT THE ALLEGED DEFECT IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED
BY THE CUSTOMER'S OR ANY THIRD PERSON'S MISUSE, NEGLECT, IMPROPER INSTALLATION
OR TESTING, UNAUTHORIZED ATTEMPTS TO REPAIR, OR ANY OTHER CAUSE BEYOND THE
RANGE OF THE INTENDED USE, OR BY ACCIDENT, FIRE, LIGHTNING OR OTHER HAZARD.
LIMITATION OF LIABILITY
IN NO EVENT WILL D-LINK BE LIABLE FOR ANY DAMAGES, INCLUDING LOSS OF DATA, LOSS
OF PROFITS, COST OF COVER OR OTHER INCIDENTAL, CONSEQUENTIAL OR INDIRECT
DAMAGES ARISING OUT THE INSTALLATION, MAINTENANCE, USE, PERFORMANCE, FAILURE
OR INTERRUPTION OF A D- LINK PRODUCT, HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY. THIS LIMITATION WILL APPLY EVEN IF D-LINK HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
IF YOU PURCHASED A D-LINK PRODUCT IN THE UNITED STATES, SOME STATES DO NOT
ALLOW THE LIMITATION OR EXCLUSION OF LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL
DAMAGES, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.

Limited Warranty
Hardware:
D-Link warrants its hardware products to be free from defects in workmanship and materials, under normal use
and service, for the following lengths of time from the date of purchase from D-Link or its Authorized Reseller:
Product Type Warranty Period
Network adapters Lifetime
Unmanaged and managed hubs (10Mbps) Lifetime *
Unmanaged and managed hubs (100Mbps) One year
Managed Switches Three years *
Unmanaged switches Lifetime *
Repeaters, MAUs , transceivers, media converters One year
Concentrators One year
Internetworking products One year
* Power supply and fans in these devices One year
Other hardware products One year
Spare parts and spare kits 90 days
If a product does not operate as warranted during the applicable warranty period, D-Link shall, at its option and
expense, (1) repair the defective product or part, (2) deliver to Customer an equivalent product or part to replace
the defective item. All products that are replaced will become the property of D-Link. Replacement products
may be new or reconditioned. Any replaced or repaired product or part has a ninety (90) day warranty or the
remainder of the initial warranty period, whichever is longer.
D-Link shall not be responsible for any software, firmware, information, or memory data of Customer contained
in, stored on, or integrated with any products returned to D-Link pursuant to any warranty.
All products with lifetime warranty have a standard five-year warranty. To qualify for lifetime warranty, the
enclosed Product Registration Card must be completed and returned to D-Link within ninety (90) days of
purchase.
Warranty service may be obtained by contacting a D-Link office within the applicable warranty period for a
Return Material Authorization (RMA) number. If a Registration Card has not been previously sent, proof of
purchase, such as a copy of the dated purchase invoice, must be provided. Once an RMA number is issued, the
defective product must be shipped back to D-Link prepaid, insured and wrapped in the original or similar
shipping package to ensure that it will not be damaged during shipment. When returning the defective product
to D-Link for service, the RMA number must be marked on the outside of the shipping package. Any product
returned without an RMA number shall be rejected and sent back to the Customer, and D-Link reserves the right
to have Customer bear the cost of sending back such products. A service charge may or may not be levied to
Customer by D-Link. To find out if a service charge is levied or not, and the charged amount, read the RMA
that is returned to Customer, or ask the D-Link office when an RMA is requested.

Software:
D-Link warrants that the software programs licensed from it will perform in substantial conformance to the
applicable published program specifications for a period of ninety (90) days from the date of purchase from D-
Link or its Authorized Reseller. D-Link warrants the magnetic media containing software against failure during
the warranty period. No updates are provided. D-Link's sole obligation hereunder shall be to replace any
defective software products with products which substantially conform to D-Link's applicable published
specifications. Customer assumes responsibility for the selection of the appropriate applications program and
associated reference materials. D-Link makes no warranty that its software products will work in combination
with any hardware or applications software products provided by third party, that the operation of the software
products will be uninterrupted or error free, or that all defects in the software product will be corrected. For any
third party products listed in the D-Link software product documentation or specifications as being compatible,
D-Link will make reasonable efforts to provide compatibility, except where the non-compatibility is caused by
"bug" or defect in the third party's product.
Warranty service for software products may be obtained by contacting a D-Link office within the warranty
period. Where no Product Registration Card has been sent by Customer, proof of purchase, such as a copy of
the dated purchased invoice, must be provided.
D-Link Offices to Contact for Warranty Service:
To obtain an RMA number for warranty service, contact the D-Link office nearest you. A list of contact
addresses for D-Link’s international offices is found in the back of this User’s Guide. Your Warranty
Registration Card should also be sent to your regional D-Link office.

Trademarks
Copyright 1997 D-Link Corporation.
Contents subject to change without prior notice.
D-Link is a registered trademark of D-Link Corporation/D-Link Systems, 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.
FCC Warning
This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 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 residential area is
likely to cause harmful interference in which case the user will be required to
correct the interference at his own expense.
CE Mark Warning
This is a Class A product. In a domestic environment, this product may cause
radio interference in which case the user may be required to take adequate
measures.

About This Guide
vii
T
ABLE OF
C
ONTENTS
0ABOUT THIS GUIDE.......................................................... XI
1INTRODUCTION .................................................................1
DES-2212 Ethernet/Fast Ethernet Switch .................................................1
Ports ....................................................................................................................1
Switching ............................................................................................................2
Management........................................................................................................2
100Mbps Fast Ethernet Introduction.........................................................3
100BASE-TX Technology Overview..........................................................3
Cables and Connectors........................................................................................3
Topology.............................................................................................................4
Network...............................................................................................................4
Hubs....................................................................................................................5
Connectivity Rules..............................................................................................5
Ethernet Switching Introduction................................................................6
2EXTERNAL FEATURES.......................................................7
Front Panel................................................................................................7
LED Indicators..........................................................................................9
Rear Panel...............................................................................................10
3INSTALLATION ................................................................13
Unpacking the Switch..............................................................................13
Installing the Switch ................................................................................14
Location ............................................................................................................14

viii
About This Guide
Rack Mounting..................................................................................................14
Connecting Power ...................................................................................15
Replacing the Fuse............................................................................................16
4MAKING NETWORK CONNECTIONS...................................17
10BASE-T Connection.............................................................................17
100BASE-T Connection...........................................................................18
MII Connection........................................................................................19
5USING THE CONSOLE INTERFACE.....................................21
Connecting to the Switch.........................................................................21
Console Usage Conventions....................................................................22
First Time Connecting To The Switch .....................................................23
Steps to create a Super User or General User:...................................................24
Super and General User Privileges....................................................................24
Login On The Switch Console By Registered Users................................27
Changing your Password...................................................................................28
Adding and Deleting Users ...............................................................................29
Setting up the Switch................................................................................31
TCP/IP Settings.................................................................................................31
Out-of-band management and console settings.................................................33
Software Updates ..............................................................................................34
SNMP Information and Console Timeout.........................................................35
SNMP Traps......................................................................................................37
SNMP Security (Community Names)...............................................................38
Switch Configuration...............................................................................38
Controlling Individual Ports..............................................................................39
Forwarding Configuration ......................................................................40
Spanning Tree Protocol and Configuration............................................42
Introduction to Spanning Tree Protocol Parameters..........................................43
Setting Spanning Tree Protocol Parameters......................................................45
Monitoring the Switch .............................................................................49

About This Guide
ix
Displaying Port Statistics ..................................................................................49
Resetting the Switch.................................................................................51
System Reset .....................................................................................................51
Factory Reset.....................................................................................................52
6PRODUCT SPECIFICATIONS..............................................55
General....................................................................................................55
LED Indicators........................................................................................56
Environmental and Physical....................................................................56
7CABLES AND CONNECTORS.............................................57
10BASE-T/100BASE-TX Connectors.......................................................57
Crossover Cable ......................................................................................59
MII Connector .........................................................................................59
RS-232 (DB9) Pin Specification..............................................................61
8BOOT CONFIGURATION FILE............................................65
9INDEX ............................................................................68