SuperStack 3 Switch 4900 Series 1000BASE
Contents
1. Customer that this hardware product will be free from defects in workmanship and materials under normal use and service for the following length of time from the date of purchase from 3Com or its authorized reseller Lifetime for as long as the original Customer owns the product not transferable to a subsequent end user 3Com s sole obligation under this express warranty shall be at 3Com s option and expense to repair the defective product or part deliver to Customer an equivalent product or part to replace the defective item or if neither of the two foregoing options is reasonably available 3Com may in its sole discretion refund to Customer the purchase price paid for the defective product All products that are replaced will become the property of 3Com Replacement products or parts may be new or reconditioned 3Com warrants any replaced or repaired product or part for ninety 90 days from shipment or the remainder of the initial warranty period whichever is longer Software 3Com warrants to Customer that each software program licensed from it except as noted below will perform in substantial conformance to its program specifications for a period of ninety 90 days from the date of purchase from 3Com or its authorized reseller 3Com warrants the media containing software against failure during the warranty period No updates are provided unless specifically included in the Included Services section 3Com s sole obligation un2. TESTING AND EXAMINATION DISCLOSE THAT THE ALLEGED DEFECT OR MALFUNCTION IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY CUSTOMER S OR ANY THIRD PERSON S MISUSE NEGLECT IMPROPER INSTALLATION OR TESTING UNAUTHORIZED ATTEMPTS TO OPEN REPAIR OR MODIFY THE PRODUCT OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE OR BY ACCIDENT FIRE LIGHTNING POWER CUTS OR OUTAGES OTHER HAZARDS OR ACTS OF GOD Limitation of Liability TO THE FULL EXTENT ALLOWED BY LAW 3COM ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE OR PROFITS LOSS OF BUSINESS LOSS OF INFORMATION OR DATA OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUPTION OF ITS PRODUCTS EVEN IF 3COM OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES AND LIMITS ITS LIABILITY TO REPAIR REPLACEMENT OR REFUND OF THE PURCHASE PRICE PAID AT 3COM S OPTION THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE Disclaimer Some countries states or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or consequential damages for certain products supplied to consumers or the limitation of
3. at http support 3Com com index htm and state the date of purchase product number and serial number 3Com s response to a request for telephone technical support will be in the form of a return call from a 3Com representative by close of business the following business day defined as 9 a m to 5 p m local time Monday through Friday excluding local holidays Please refer to the Technical Support appendix in the User Guide for telephone numbers Software Updates All software and firmware upgrades and the latest code for this product downloaded through the 3Com Software Library Warranties Exclusive IF A 3COM PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE CUSTOMER S SOLE REMEDY FOR BREACH OF THAT WARRANTY SHALL BE REPAIR REPLACEMENT OR REFUND OF THE PURCHASE PRICE PAID AT 3COM S OPTION TO THE FULL EXTENT ALLOWED BY LAW THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES TERMS OR CONDITIONS EXPRESS OR IMPLIED EITHER IN FACT OR BY OPERATION OF LAW STATUTORY OR OTHERWISE INCLUDING WARRANTIES TERMS OR CONDITIONS OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE SATISFACTORY QUALITY CORRESPONDENCE WITH DESCRIPTION AND NON INFRINGEMENT ALL OF WHICH ARE EXPRESSLY DISCLAIMED 3COM NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE OR USE OF ITS PRODUCTS 3COM SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS
4. when commenting the document title part number shown at the bottom of page 8 and page number if appropriate Part Number DUA1771 OAAA01 Published August 2000
5. wiping them gently with a Switch and that the three captive thumbscrews which secure the Module are tightened with a suitable tool Ensure that the Switch in which the Module is fitted is powered up Ensure that the device at the far end of the link is powered up and operating correctly clean tissue or cotton bud moistened with a little ethanol Dirty fiber terminators on the fiber optic segment impair the quality of the light transmitted through the cable For information about technical support refer to Technical Support on page 7 TECHNICAL SPECIFICATIONS The SuperStack 3 Switch 4900 Series 1000BASE SX Module has been designed to the following standards Functional ISO 8802 3 IEEE 802 3 IEEE 802 3x IEEE 802 3z IEEE 802 1D IEEE 802 1Q Safety UL 1950 EN 60950 CSA 22 2 950 IEC 60950 IEC 825 1 EN 60825 1 EMC CISPRR 22 Class A EN55022 Class A FCC Part 15 Subpart B Class A ICES 003 Class A VCCI Class A AS NZS 3548 Class A CNS 13438 Class A Immunity EN 55024 REGULATORY NOTICES Environmental Operating Temperature 0 40 C 32 104 F 10 to 70 C 14 158 F 10 95 relative humidity non condensing Storage Temperature Operating Humidity Power Consumption 35 W watts maximum Standards EN60068 IEC68 various parts Physical Width 244 mm 9 61 in Depth 150 mm 5 91 in Height 46 mm 1 81 in or 1U Weight 0 37 kg 0 82 Ib FCC Statement This equipment has been tested
6. CENSE AGREEMENT GOVERNING THE USE OF SUCH SOFTWARE OR THE ACCOMPANYING DOCUMENTATION RELATING TO SUCH SOFTWARE Year 2000 Warranty In addition to the Hardware Warranty and Software Warranty stated above 3Com warrants that each product sold or licensed to Customer on and after January 1 1998 that is date sensitive will continue performing properly with regard to such date data on and after January 1 2000 provided that all other products used by Customer in connection or combination with the 3Com product including hardware software and firmware accurately exchange date data with the 3Com product with the exception of those products identified at 3Com s Web site http Awww 3com com products yr2000 html as not meeting this standard If it appears that any product that is stated to meet this standard does not perform properly with regard to such date data on and after January 1 2000 and Customer notifies 3Com within ninety 90 days after purchase of the product from 3Com or its authorized reseller 3Com shall at its option and expense provide a software update which would effect the proper performance of such product repair such product deliver to Customer an equivalent product to replace such product or if none of the foregoing is feasible refund to Customer the purchase price paid for such product Any software update or replaced or repaired product will carry a Year 2000 Warranty for ninety 90 days after purchase Obtaining Warran
7. O C 0080 611 261 Pakistan 61 2 9937 5083 Thailand 001 800 611 2000 Philippines 1235 61 266 2602 Europe From anywhere in Europe call 31 0 30 6029900 phone 31 0 30 6029999 fax Europe South Africa and Middle East From the following countries you may use the toll free numbers Austria 0800 297468 Middle East 1800 945 3794 Belgium 0800 71429 Netherlands 0800 0227788 Denmark 800 17309 Norway 800 11376 Finland 0800 113153 Poland 00800 3111206 France 0800 917959 Portugal 0800 831416 Germany 0800 1821502 Russia 0800 995014 Hungary 06800 12813 South Africa 0800 995014 Ireland 1800 553117 Spain 900 983125 Israel 1800 9453794 Sweden 020 795482 Italy 1678 79489 Switzerland 0800 55 3072 Luxembourg 0800 3625 U K 0800 966197 Latin America Argentina 5411 4510 3200 Mexico 01 800 CARE 01 800 2273 Brazil 0800 13 3266 Puerto Rico 800 666 5065 Colombia 571 629 4827 South America 1800 666 5065 North America 1 800 NET 3Com 1 800 638 3266 Enterprise Customers 1 800 876 3266 LEGAL NOTICES 3Com Technologies 2000 All rights reserved No part of this documentation may be reproduced in any form or by any means or used to make any derivative work such as translation transformation or adaptation without permission from 3Com Technologies 3Com Technologies reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Technologies to provide notifi
8. SuperStack 3 Switch 4900 Series 1000BASE SX Module 3C17710 User Guide INTRODUCTION The 1000BASE SX Module 3C17710 provides your SuperStack 3 Switch 4900 series with full duplex four wire speed Gigabit Ethernet fiber optic ports This allows you to provide connectivity between the Switch and remote workgroups or to create a high capacity aggre gated link backbone connection The Module conforms to the full duplex implementation of the Gigabit Ethernet standard IEEE 802 3z The ports use 62 5 um or 50 um multimode fiber optic cable with MT RJ duplex connectors and support the segment lengths specified in IEEE 802 3z as shown below Fiber Bandwidth Segment Lengths Supported Fiber Size at 850 nm 62 5 um 160 MHz km 200 MHz km 50 um 400 MHz km 500 MHz km 2 220 m 7 722 ft 2 275 m 7 902 ft 2 500 m 7 1805 ft 2 550 m 7 1805 ft DUA1771 OAAA01 1 INSTALLATION AND REMOVAL AN AN AN AN AN AN WARNING Installation and removal of the Module must be carried out by qualified personne only Before installing the Module into a unit you must first disconnect the unit from the mains power supply For full safety instructions refer to the user guide that accompanies the unit AVERTISSEMENT Confiez l installation et la d pose de ce Module un personnel qualifi Avant d installer ce Module dans un groupe vous devez au pr alable d brancher ce groupe de l alimentation secteur Pour pre
9. and fiber cable ends when they are powered up WARNING Use of controls or adjustments of performance or procedures other than those specified herein may result in hazardous laser emissions AN AN AN AVERTISSEMENT Ports pour fibres optiques s curit sur le plan optique DISPOSITIF LASER DE CLASSE I Ne regardez jamais le laser tant qu il est sous tension Ne regardez jamais directement le port TX Transmission a fibres optiques et les embouts de cables a fibres optiques tant qu ils sont sous tension AVERTISSEMENT L utilisation de contr les de r glages de performances ou de proc dures autres que ceux qui sont sp cifi s au sein du pr sent document risquent d entra ner l exposition des rayonnements laser dangereux ACHTUNG Faseroptikanschl sse Optische Sicherheit LASERGER T DER KLASSE I Niemals ein bertragungslaser betrachten w hrend dieses eingeschaltet ist Niemals direkt auf den Faser TX Anschlu und auf die Faserkabelenden schauen w hrend diese eingeschaltet sind ACHTUNG Die Verwendung von Steuerelementen oder die Anpassung von Leistungen und Verfahren in anderer als der hierin genannten Weise kann zu gef hrlichen Laseremissionen f hren Handling the Module The Module can be easily damaged by electrostatic discharge To prevent damage observe the following m Do not remove the Module from its packaging until you are ready to install it into a Switch m Do n
10. 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 the instructions may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference to radio communications in which case the user will be required to correct the interference at their own expense Information To The User If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient the receiving antenna Relocate the equipment with respect to the receiver Move the equipment away from the receiver Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is
11. available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 In order to meet FCC emissions limits this equipment must be used only with cables which comply with IEEE 802 3 CSA Statement This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada CE Statement Europe This product complies with the European Low Voltage Directive 73 23 EEC and EMC Directive 89 336 EEC as amended by European Directive 93 68 EEC VCCI Statement COREL ARU ESERE AEREA VCCI O BOC DIR eens lt ORE ERE CERT SL ER BleecotCemM FS TOBARRA ARES SES ENS CEMHY ay BSMI eeeroment SA Fata SE FS ERP Ee gt EHK E JE FARHAN et wenn gt EE J He fF ie A z a ae x a D at at ham E ai ik fea WHEE SB LIFETIME LIMITED WARRANTY This warranty applies to customers located in the United States Australia Canada except Quebec Ireland New Zealand U K and other English language countries and countries for which a translation into the local language is not provided SuperStack 3 Switch 4900 Series 1000BASE SX Module 3C17710 Hardware 3Com warrants to the end user
12. ays after the date of purchase and this is verified by 3Com it will be considered dead or defective on arrival DOA and a replacement shall be provided prior to 3Com receiving the defective product but only if Customer provides a purchase order number credit card number or other method of payment acceptable to 3Com to be used if 3Com needs to charge Customer for the replacement as explained below The replacement product will normally be shipped not later than three 3 business days after 3Com s verification of the DOA product but may be delayed due to export or import procedures The shipment of a replacement product prior to 3Com receiving the defective product is subject to local legal requirements and may not be available in all locations When such a replacement is provided and Customer fails to return the original product to 3Com within fifteen 15 days after shipment of the replacement 3Com will charge Customer for the replacement product at list price Shipment of a Replacement Prior to 3Com Receiving the Defective Product is provided for five 5 years after which time it may be available for a specified fee but in either case only if Customer provides a purchase order number credit card number or other method of payment acceptable to 3Com to be used if 3Com needs to charge Customer for the replacement as explained below 3Com will make commercially reasonable efforts to ship the replacement product not later than five 5 b
13. cation of such revision or change 3Com Technologies provides this documentation without warranty of any kind either implied or expressed including but not limited to the implied warranties of merchantability and fitness for a particular purpose 3Com may make improvements or changes in the product s and or the program s described in this documentation at any time UNITED STATES GOVERNMENT LEGENDS If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following restricted rights For units of the Department of Defense Restricted Rights Legend Use duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph c 1 ii for restricted Rights in Technical Data and Computer Software clause at 48 C F R 52 227 7013 3Com Centre Boundary Way Maylands Park South Hemel Hempstead Herts HP2 7YU U K For civilian agencies Restricted Rights Legend Use reproduction or disclosure is subject to restrictions set forth in subparagraph a through d of the Commercial Computer Software Restricted Rights Clause at 48 C F R 52 227 19 and the limitations set forth in 3Com Corporation s standard commercial agreement for the software Unpublished rights reserved under the copyright laws of the United States If there is any software on removable media described in this documentation it is furnished under a license a
14. d of life electronic components Regulated Materials Statement 3Com products do not contain any hazardous or ozone depleting material Environmental Statement about the Documentation The documentation for this product is printed on paper that comes from sustainable managed forests it is fully biodegradable and recyclable and is completely chlo rine free The varnish is environmentally friendly and the inks are vegetable based with a low heavy metal con tent Environmental Statement about the Product Packaging The packaging for this product is fully recyclable It has a recycled post consumer waste content of at least 40 by weight and no heavy metal content The SuperStack 3 Switch 4900 Series 1000BASE SX Module is part of the extensive SuperStack range of 3Com products This range includes hubs switches power systems and other networking equipment and is continually being developed Contact your supplier for the latest product information and to order these products Product Registration You can now register your 1000BASE SX Module on the 3Com web site to receive up to date information on your product http support 3com com warrantyregistration register pl Documentation Feedback Your suggestions are very important to us They will help make our documentation more useful to you Please e mail comments about this document to 3Com at pddtechpubs comments 3Com com Please include the following information
15. der this express warranty shall be at 3Com s option and expense to refund the purchase price paid by Customer for any defective software product or to replace any defective media with software which substantially conforms to applicable 3Com published specifications Customer assumes responsibility for the selection of the appropriate applications program and associated reference materials 3Com makes no warranty or representation that its software products will meet Customer s requirements or work in combination with any hardware or applications software products provided by third parties that the operation of the software products will be uninterrupted or error free or that all defects in the software products will be corrected For any third party products listed in the 3Com software product documentation or specifications as being compatible 3Com will make reasonable efforts to provide compatibility except where the non compatibility is caused by a bug or defect in the third party s product or from use of the software product not in accordance with 3Com s published specifications or user manual THIS 3COM PRODUCT MAY INCLUDE OR BE BUNDLED WITH 1 THIRD PARTY SOFT WARE OR 2 3COM SOFTWARE THAT IS LICENSED AS IS THE USE OF WHICH IS GOVERNED BY A SEPARATE END USER LICENSE AGREEMENT THIS 3COM WAR RANTY DOES NOT APPLY TO SUCH THIRD PARTY SOFTWARE OR 3COM SOFTWARE LICENSED AS IS FOR THE APPLICABLE WARRANTY PLEASE REFER TO THE END USER LI
16. ews securing the Module with a suitable tool To activate the Module a Ensure that the Switch is powered up b Remove the protective plastic covers from the fiber connections on the Module c Plug the MT RJ connector on the fiber cable into the fiber port on the Module d Connect the other end of the fiber optic cable to a device fitted with a 1OOOBASE SX Gigabit Ethernet connection Check the LEDs on the front of the Switch and the rear of the Module to ensure that the Module is operating correctly Refer to LEDs below for more information Removing the Module from a Switch 1 Ensure that the power supply and the fiber backbone connection cables are disconnected from the Switch Place the Switch on a flat surface Undo the three captive thumbscrews securing the Module into the Switch Do not remove any other screws from the Switch If you are not fitting another Module immediately replace the blanking plate to ensure that dust and debris do not enter the Switch and to aid the circulation of cooling air LEDs You can gather information about the status of the Module and its packet activity using the Expansion Module LEDs on the front of the Switch and the Port LEDs on the rear of the Module Expansion Module Activity LED Switch Status Color Meaning On Amber Packets are being transmitted or received on the Module Off No color There are no packets being transmitted or received on the Module Expansion M
17. greement included with the product as a separate document in the hard copy documentation or on the removable media in a directory file named license txt If you are unable to locate a copy please contact 3Com and a copy will be provided to you Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com and SuperStack are registered trademarks of 3Com Corporation Other brand and product names may be registered trademarks or trademarks of their respective holders ENVIRONMEN ATEMENT General Environmental Statement It is the policy of 3Com Corporation to be environmen tally friendly in all operations To uphold our policy we are committed to a Establishing environmental performance standards that comply with national legislation and regulations Conserving energy materials and natural resources in all operations a Reducing the waste generated by all operations a Ensuring that all waste conforms to recognized envi ronmental standards a Maximizing the recyclable and reusable content of all products a Ensuring that all products can be recycled reused and disposed of safely a Ensuring that all products are labelled according to recognized environmental standards m Improving our environmental record on a continual basis End Of Life Statement 3Com processes allow for the recovery reclamation and safe disposal of all en
18. liability for personal injury so the above limitations and exclusions may be limited in their application to you When the implied warranties are not allowed to be excluded in their entirety they will be limited to the duration of the applicable written warranty This warranty gives you specific legal rights which may vary depending on local law Governing Law This Limited Warranty shall be governed by the laws of the State of California U S A and by the laws of the United States excluding their conflicts of laws principles The United Nations Convention on Contracts for the International Sale of Goods is hereby excluded in its entirety from application to this Limited Warranty 3Com Corporation 5400 Bayfront Plaza P O Box 58145 Santa Clara CA 95052 8145 408 326 5000 June 7 1999 3Com reserves the right to modify or cancel this offering at any time without advance notice This offering is not available where prohibited or restricted by law HNICAL SUPPORT The following numbers may be used for technical support Country Telephone Number Country Telephone Number Asia Pacific Rim Australia 1 800 678 515 P R of China 10800 61 00137 or Hong Kong 800 933 486 021 6350 1590 India 61 2 9937 5085 Singapore 800 6161 463 Indonesia 001 800 61 009 S Korea 82 2 3455 6455 Japan 0531 61 6439 From anywhere in S Korea 00798 611 2230 Malaysia 1800 801 777 From Seoul 00798 611 2230 New Zealand 0800 446 398 Taiwan R
19. ndre connaissance des consignes compl tes de s curit consultez le guide utilisateur qui accompagne ce groupe ACHTUNG Die Installation und der Ausbau des Moduls darf nur durch Fachpersonal erfolgen Vor dem Installieren des Moduls in einem Ger t mu zuerst der Netzstecker des Ger ts abgezogen werden Vollst ndige Sicherheitsanweisungen sind dem Benutzerhandbuch des Ger ts zu entnehmen WARNING When the Module is inserted into the switch the three captive thumbscrews securing the Module must be tightened with a suitable tool Keep the blanking plate and the fixings in a safe place If you remove the Module at any time you must then replace the blanking plate AVERTISSEMENT Quand le Module est introduit dans le commutateur il faut visser les trois vis molet es imperdables qui bloquent le Module avec un outil adapt Conservez la plaque d obturation et les fixations en lieu s r Si vous retirez le Module tout instant vous devez alors replacer la plaque d obturation ACHTUNG Beim Einsetzen des Moduls in dem Switch sind die drei unverlierbaren Fl gelschrauben mit einem passenden Werkzeug festzuziehen Die Distanzplatte und die Befestigungselemente an einem sicheren Ort aufbewahren Beim Austausch des Moduls ist auch die Distanzplatte zu ersetzen WARNING Fiber Optic ports Optical Safety CLASS LASER DEVICE Never look at the transmit laser while it is powered up Never look directly at the fiber TX port
20. odule Status LED Switch Status Color Meaning On Green N A cannot report status of all ports together Off No color The Module is not installed Flashing Amber The Module is installed but is not recognised faulty or unsupported On Amber The Module is installed Port Activity LED Module Status Color Meaning On Amber Packets are being transmitted or received on this port Off No color There are no packets being transmitted or received on this port Port Status LED Module Status Color Meaning On Green A link is present and the port is enabled Off No color There is no link present Flashing Green A link is present and the port is disabled MANAGING THE MODULE When the Module is installed you can configure it through your Switch Refer to the SuperStack 3 Switch Implementation Guide and the Management Interface Reference Guide supplied with your Switch for more information MODULE RESTRICTIONS When using the Module note the following a The Module is not hot insertable The ports only operate at 1000 Mbps The Module is not hot swappable a The ports only operate in full duplex mode a The Module only operates with multimode fiber optic cable PROBLEM SOLVING If you suspect a problem carry out these steps before Check that all connectors on the fiber optic segment contacting your supplier are correctly engaged a Ensure that the Module is correctly installed in the m Clean the terminators by
21. ot touch any of the pins connections or components on the Module Handle the Module only by its edges and front panel Always wear an anti static wristband connected to a suitable earth point a Always store or transport the Module in anti static packaging INSTALLATION AND REMOVAL Installing the Module into a Switch AN CAUTION This Module is not hot insertable or hot swappable Always make sure that the Switch is powered down and disconnected from the mains before installing or removing a Module Use the following instructions when installing or removing a Module CAUTION This Module is only designed to work with the 3Com SuperStack 3 Switch 4900 series To install the Module Ensure that the Switch is disconnected from the mains power supply and that you are wearing an anti static wristband connected to a suitable earth point Place the Switch on a flat surface Using a suitable screwdriver remove the blanking plate from the rear of the Switch Do not remove any other screws from the rear of the Switch Keep the blanking plate and screws in a safe place If you remove the Module at any time you must replace the blanking plate to prevent dust and debris entering the Switch and to aid the circulation of cooling air Hold the Module so that the text on the front panel is upright and insert it into the Switch ensuring the back panel is flush against the back of the Switch Tighten the three captive thumbscr
22. ty Service Customer must contact a 3Com Corporate Service Center or an Authorized 3Com Service Center within the applicable warranty period to obtain warranty service authorization Dated proof of purchase from 3Com or its authorized reseller may be required Products returned to 3Com s Corporate Service Center must be pre authorized by 3Com with a User Service Order USO number or a Return Material Authorization RMA number or a Service Repair Order SRO number whichever was issued marked on the outside of the package and sent prepaid and packaged appropriately for safe shipment and it is recommended that they be insured or sent by a method that provides for tracking of the package Responsibility for loss or damage does not transfer to 3Com until the returned item is received by 3Com The repaired or replaced item will be shipped to Customer at 3Com s expense not later than thirty 30 days after 3Com receives the defective product and 3Com will retain risk of loss or damage until the item is delivered to Customer 3Com 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 3Com for repair whether under warranty or not Dead or Defective on Arrival In the event a product completely fails to function or exhibits a defect in materials or workmanship within the first forty eight 48 hours of installation but no later than thirty 30 d
23. usiness days after receiving the request for a replacement but may be delayed due to product availability or export or import procedures The shipment of a replacement product prior to 3Com receiving the defective product is subject to local legal requirements and may not be available in all locations When such a replacement is provided and Customer fails to return the original product to 3Com within fifteen 15 days after shipment of the replacement 3Com will charge Customer for the replacement at list price This replacement prior to 3Com receiving the defective product is different from the fee based Advance Hardware Replacement Service which is available as a contracted service offering Included Services 3Com s Electronic Support Services available at no charge include 3Com Knowledgebase information on known bugs documentation release notes and publicly available software and firmware upgrades 3Com reserves the right to modify or cancel this offering at any time without advance notice Telephone Technical Support with coverage for basic troubleshooting only will be provided at no additional charge for 12 months from the date of purchase on a commercially reasonable efforts basis Telephone support is provided by 3Com only if Customer purchased this product directly from 3Com or if Customer s reseller is unable to provide telephone support To qualify for this telephone technical support Customer must register on the 3Com Web site
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