3Com 3CNJ90 Switch User Manual
Contents
1. SCOM Network Jack User Guide WU ERIN RAID Er 3CNJ90 GAN User Guide NJ90 Network Jack 3CNJ90 4 port 10 100 Mbps Unmanaged Ethernet Switch http www 3com com http www 3com com productreg 150000038600A R01 Published February 2003 3Com Corporation 5500 Great America Parkway Santa Clara California m 95052 8145 m U S A Copyright 2003 3Com Corporation 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 written permission from 3Com Corporation 3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change 3Com Corporation provides this documentation without warranty term or condition of any kind either implied or expressed including but not limited to the implied warranties terms or condi tions of merchantability satisfactory quality and fitness for a particu lar purpose 3Com may make improvements or changes in the product s and or the program s described in this documentation at any time If there is any software on removable media described in this docu mentation it is furnished under a license agreement included with the product as a separate document in the hard copy docu2. Ethernet Installation Guide Appendix D Setting up the Network Cabling at Your Site The network cabling at your site from the wiring closet to the wall or cubicle opening may already be installed If it is not install the cabling following these general guidelines CAUTION It is recommended that a professional cable installer perform these procedures Be sure to adhere to local safety and regulatory codes during the cable installation 1 Connect one end of an Ethernet cable to your network Usually this connection is done in the Network wiring closet via the patch panel 2 Terminate the other end of the cable at the location where the NJ90 is being installed using a female RJ 45 connector Refer to the connector manufacturer s instructions for terminating the cable Be sure to test the connector and verify it is working To ensure proper horizontal cabling functionality adhere to the fol lowing network cabling standards during installation ANSI TIA EIA 568 Commercial Building Telecommunications Cabling Standard ANSI TIA EIA 569 Commercial Building Standard for Telecom munications Pathways and Spaces 12 Appendix E Troubleshooting the NJ90 Appendix E Troubleshooting the NJ90 If you encounter problems with the NJ90 l Verify the NJ90 is receiving power by viewing the Power LED it should be lit If the Power LED is not lit make sure The other end of the network cable is plugged into a system
3. OR FOR LOSS OF REVENUE OR PROFITS LOSS OF BUSINESS LOSS OF INFOR MATION 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 3COM S OPTION THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE 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 19 Installation Guide or the limitation of liability for death or 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 i
4. that provides Power over Ethernet according to IEEE 802 3af if using Power over Ethernet The Local Power Supply is plugged into the NJ90 and into a working electrical outlet if using Local power supply Verify the NJ90 is connected to the network properly by viewing the Link LED it should be lit If the Link LED is not lit make sure the network cable Is terminated properly Refer to the connector manufac turer s instructions for terminating the cable Be sure to test the connector and verify it is working Has a valid connection to the network Adheres to proper length and cabling specifications for your network Make sure the port on the switch to which the 90 is connected is configured as a standard MDI X port Make sure all cables con necting the NJ90 to the patch panel are straight through cables not crossover cables Installation Guide Appendix F Contacting Technical Support 3Com provides easy access to technical support information through a variety of services This section describes these services Information contained in this section is correct at time of publica tion For the most recent information 3Com recommends that you access the 3Com Corporation World Wide Web site www 3com com 90 Day Free Installation Support 3Com provides free installation and troubleshooting telephone sup port for this product for 90 days from the date of purchase Hours of operation are subject to change See Suppo
5. to the Network cable Hook Secure the Coupler Cable with a tie wrap Power socket NJ90 can be powered from a local power supply available for purchase separately from 3Com Strain Relief Channel Strain Relief Channel for the Local Power Cord 3 NJ90 Installation 3 NJ90 Installation 3 1 Install the NJ90 Network Jack 3 2 Set up the power supply 3 1 Install the NJ90 Network Jack Wall Wall To wiring closet Network 2 71 cable gt 2 UN gt i O Network cable To wiring closet coupler cable Figure 2 90 Installation Step 1 If the end of the network cable from the wiring closet is terminated with a female RJ 45 connector use the RJ 45 coupler cable included in the package to connect the Network jack to the network cable recommended installation or If the end of the network cable from the wiring closet is terminated with a male RJ 45 connector connect the network cable directly into the NJ90 uplink port Step 2 Optional Thread a tie wrap around the hook at the back and secure the RJ 45 coupler cable Network cable Installation Guide Step 3 Mount the NJ90 Unit to the Wall or Cubicle Outlet with the screws provided 3 2 Set up the power supply Selecting the power scheme and installing it See Appendix C Setting up the Power Supply p 8 You can verify the NJ90 Network Jack Installation by checking the LED s LED The NJ9
6. 0 is connected to the network and link has been established Blinking Network Activity Off There is no connection to the network The NJ90 is receiving power local or via the network Power Off The NJ90 is not receiving power Appendix A NJ90 Specifications Appendix A NJ90 Specifications The NJ90 is a 4 port un managed Fast Ethernet switch that fits into most standard data port openings The NJ90 allows up to four net working devices such as computers printers Voice over IP VoIP telephones and scanners to be connected to the network via one Ethernet port The NJ90 needs no software to operate and requires no configura tion All ports feature 10 100 Mbps auto negotiation which config ures the NJ90 for 10 Mbps or 100 Mbps connections automatically 00000000000000000 00000000000000000000000000000 00000000000000000000000000000 o 000000000 terra n 2 75 lt 1 81 Figure 3 NJ90 Dimension NJ90 Power consumption 5 watts max Network Interface 10 Mbps Ethernet 10BASE T Ethernet IEEE 802 3 industry standard for a 10 Mbps baseband CSMA CD local area network 100 Mbps Ethernet 100BASE Ethernet IEEE 802 3u industry TX standard for a 100 Mbps baseband CSMA CD local area network Installation Guide Performance Auto negotiation Communication speed 10 Mbps or 100 Mbps
7. 8 LIMITED WARRANTY WARRANTIES EXCLUSIVE WARRANTY DISCLAIMER TO THE FULL EXTENT ALLOWED BY LAW THE FOREGOING WARRANTIES AND REM EDIES 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 WITHOUT LIMITATION WARRANTIES TERMS OR CONDITIONS OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE SATIS FACTORY QUALITY CORRESPONDENCE WITH DESCRIPTION NON INFRINGEMENT AND QUIET ENJOYMENT ALL OF WHICH ARE EXPRESSLY DISCLAIMED 3COM NEITHER ASSUMES NOR AUTHO RIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE OR USE OF THIS PRODUCT 3COM SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION DISCLOSE THAT THE ALLEGED DEFECT OR MAL FUNCTION IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY CUSTOMER S 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 LIGHT NING 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 LICENSORS AND SUPPLI ERS ANY LIABILITY WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND
8. J90 Package Contents 2 NJ90 Description 3 NJ90 Installation Appendix A NJ90 Specifications B Wall Outlet Dimensions C Setting up the Power Supply D Setting up the Network Cabling at Your Site E Troubleshooting the NJ90 F Contacting Technical Support Limited Warranty amp Regulatory Compliance Information List of Illustrations Fig 1 NJ90 Feature Description Fig 2 NJ90 Installation Fig 3 NJ90 Dimensions Fig 4 Wall Outlet NEMA WD6 Dimensions Fig 5 Using an Integrated Switch with Power over Ethernet Fig 6 Using a Multi port Ethernet Power Supply Fig 7 Using a Single port Ethernet Power Supply Fig 8 Using the 3Com Local Power Supply 12 13 14 17 OOO AON UW NJ90 User Guide The 3Com Network Jack is a platform that provides connectivity at the edge of the network infrastructure The NJ90 Network Jack is a member of this family of products The NJ90 Network Jack is a 4 port un managed Fast Ethernet switch that fits into most standard data port openings The NJ90 Network Jack quadruples port connections where a single port and cable already exists in the wall Expanding port connec tions with the 3Com Network Jack is a less expensive and less dis ruptive alternative to running additional cabling Also the 3Com Network Jack is installed in the wall making it more secure and out of the way than deploying a remote desktop switch The NJ90 Network Jack allows up to four networking d
9. LL BE GOVERNED BY THAT AGREEMENT FOR ANY APPLICABLE WAR RANTY PLEASE REFER TO THE END USER LICENSE AGREEMENT GOV ERNING THE USE OF THAT SOFTWARE OBTAINING WARRANTY 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 autho rized reseller may be required A User Service Order USO Return Material Authorization RMA or Service Repair Order SRO number will be issued This number must be marked on the outside of the package sent to 3Com s Corporate Service Center The product must be packaged appropriately for safe shipment and sent pre paid It is recommended that returned products be insured or sent by a method that provides for tracking of the package Responsibil ity for loss or damage does not transfer to 3Com until the returned item is received by 3Com 3Com will retain risk of loss or damage until the item is delivered to Customer For non US Customers the word prepaid shall be omitted where this requirement is not per mitted by law The allocation of responsibility for loss or damage stated shall be subject to any mandatory legal requirements 3Com shall not be responsible for any software firmware informa tion or memory data of Customer contained in stored on or inte grated with any products returned to 3Com for repair whether under warranty or not 1
10. and duplex mode full or half is determined through auto negotiation with the attached devices The NJ90 attempts to negotiate the fastest connection possible 100 Mbps full duplex Environment Operating temperature 32 to 95 F 0 to 35 Operating humidity 10 90 non condensing Storage humidity Operating Altitude Storage Altitude IEEE 802 3 10BASE T 100BASE TX and auto negotiation Power Over Ethernet IEEE 802 3af Packet Prioritization 802 1p QoS Power Over Ethernet Compatible with IEEE 802 3af Local power supply Required for networks that do not support Power Over Ethernet Voice Over IP VoIP Compatible with VoIP standard Appendix Wall Outlet Dimensions Appendix B Wall Outlet Dimensions Make sure the wall or cubicle opening where the NJ90 is being installed complies with the NEMA WD6 standard as described below a 1 750 44 45 mm 3 28125 2 8125 83 31 mm 71 44 mm reference Screw Figure 4 Wall Outlet NEMA WD6 Dimensions Installation Guide Appendix C Setting up the Power Supply Power to the NJ90 can be supplied one of the following ways 1 Over the network via an integrated switch that supports Power over Ethernet 2 Over the network via a multi port Ethernet power supply 3 Over the network via a single port Ethernet power supply 4 Locally via a 3Com local power supply Before you begin the installation determine which type of power suppl
11. cal outlet Figure 7 Using a Single port Ethernet Power Supply 4 Using the 3Com Local Power Supply If your network does not support Power over Ethernet or if you are not using a single port or multi port Ethernet power supply you must purchase a local power supply from 3Com To use the local power supply make sure you have an electrical outlet near the site where the NJ90 will be installed Figure 8 Using the 3Com Local Power Supply 10 Appendix Setting up the Power Supply Installation Instructions 1 Plug the power cable into the Network Jack 2 Route the power cable through the stain relief fixture 3 Secure the local power supply and cable to the wall 4 Plug the Local Power Supply into the power source NOTE Completing these procedures in sequence will reduce issues during the installation process The NJ90 works with the following Power Supplies Updated infor mation is available online at www 3com com products Integrated Switch For providing Power over 3C17205 with Power over Ethernet to power up to Ethernet 24 NJ90 s Multi port Ethernet For providing Power Over 3CNJPSE24 power supply Ethernet to power up to Uses Spare Pairs 24 905 Single port Ethernet For providing Power over 3CNJPSE power supply Ethernet to power a single Uses Spare Pairs NJ90 Local power supply For locally powering a 3CNJPSL single NJ90 required if your network does not support Power Over
12. del name part number and serial number A list of system hardware and software including revision levels Diagnostic error messages Details about recent configuration changes if applicable If you are unable to consult your network supplier see the following section on how to contact 3Com Support from 3Com If you are unable to obtain assistance from the 3Com online techni cal resources or from your network supplier 3Com offers technical telephone support services To find out more about your support options call the 3Com technical telephone support phone number 847 262 0070 When you contact 3Com for assistance have the following informa tion ready Product model name part number and serial number A list of system hardware and software including revision levels Diagnostic error messages Details about recent configuration changes if applicable Returning Products for Repair Before you send a product directly to 3Com for repair you must first obtain an authorization number Products sent to 3Com with out authorization numbers will be returned to the sender unopened at the sender s expense To obtain an authorization number call 847 262 0070 Installation Guide 3Com Corporation LIMITED WARRANTY The 3Com Corporation Limited Warranty and the Other Services described in this document supersede any such information that may be contained within your product user documentation This warranty applies to customers
13. evices such as computers printers Voice over IP VoIP telephones and scanners each to be connected to the network via its own Ethernet port The NJ90 needs no software to operate and no configuration All ports feature 10 100 Mbps auto negotiation which configures the NJ90 Network Jack for 10 Mbps or 100 Mbps connections automati cally Before you begin installation register your product at www 3com com support 1 NJ90 Package Contents Single Pack amp Multi Pack The NJ90 Network Jack is available in single and 20 packs Before you begin the installation make sure you familiarize yourself with the following items which are included with the NJ90 NJ90 Unit 6x32 screws 2 per NJ90 for mounting the NJ90 to the wall or office cubicle RJ 45 Male to Male coupler cable 1 per NJ90 for connecting the NJ90 unit to the Network Ethernet cable required only in case your network cable is terminated with a female RJ 45 con nector User Guide 1 per package Installation Guide 2 NJ90 Description The following diagram shows the front view and the rear view of the NJ90 see descriptions below 11111011011101021111110110010 Figure 1 NJ90 Feature Description Switching Ports Allow up to four devices to be connected to the network 5 Indicates network connection and activity status 1 Indicates NJ90 power status EN Uplink Port Connects NJ90
14. located in the United States Aus tralia 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 HARDWARE 3Com warrants to the end user Customer that this hardware product will be substantially free from material 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 Two 2 Years 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 reason ably available 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 ini tial warranty period whichever is longer SOFTWARE 3Com warrants to Customer that each software gram licensed from it except as noted below will if operated as directed in the user documentation substantially achieve the func tionality described in the user documentation for a period of ninety 90 days from the date of purchase from 3C
15. mentation or on the removable media in a directory file named LICENSE TXT or ILICENSE TXT If you are unable to locate a copy please contact 3Com and a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as mercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are provided in 3Com s standard commercial license for the software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in con junction with this user guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other coun tries 3Com and the 3Com logo are registered trademarks of 3Com Corpora tion All other company and product names may be trademarks of the respective companies with which they are associated Table of Contents Contents 1 N
16. n its entirety from application to this Limited Warranty 3Com Corporation 5400 Bayfront Plaza Box 58145 Santa Clara CA 95052 8145 408 326 5000 Rev 10 01 2002 Register Online When you first call 3Com we will collect customer and product information from you to determine warranty status You can eliminate this step and speed your access to technical sup port by registering on line at http support 3com com registra tion frontpg pl 20 3Com Corporation AN 5500 Great America Parkway P O Box 58145 Santa Clara CA 95052 8145 3com www 3com com 150000038600A
17. om or its authorized reseller No updates or upgrades are provided under this warranty 3Com s sole obligation under this express warranty shall be at 3Com s option and expense to refund the purchase price for the software product or replace the software product with software which meets the requirements of this warranty as described above Customer assumes responsibility for the selection of the appropriate programs and associated reference materials Installation Guide 3Com makes no warranty or representation that its software prod ucts will meet Customer s requirements or work in combination with any hardware or 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 THIRD PARTY SOFTWARE THE WARRANTY PROVISIONS OF THIS DOCU MENT DO NOT APPLY TO SUCH THIRD PARTY SOFTWARE IF A SEPA RATE END USER LICENSE AGREEMENT HAS BEEN PROVIDED FOR SUCH THIRD PARTY SOFTWARE USE OF THAT SOFTWARE WI
18. rt from 3Com on page 15 Online Technical Services 3Com offers worldwide product support 24 hours a day 7 days a week through the following online systems World Wide Web site 3Com Knowledgebase Web Services World Wide Web Site To access the latest networking information on the 3Com Cor poration World Wide Web site enter this URL into your Internet browser http www 3com com This service provides access to online support information such as technical documentation and a software library as well as support options that range from technical education to mainte nance and professional services 3Com Knowledgebase Web Services This interactive tool contains technical product information compiled by 3Com expert technical engineers around the globe Located on the World Wide Web at http knowledgebase 3com com this service gives all 3Com customers and partners complementary around the clock access to technical informa tion on most 3Com products 14 Appendix F Contacting Technical Support Support from Your Network Supplier If you require additional assistance consult your network supplier Many suppliers are authorized 3Com service partners who are qual ified to provide a variety of services including network planning installation hardware maintenance application training and sup port services When you contact your network supplier for assistance have the following information ready Product mo
19. y the NJ90 will use NOTE For a list of power supplies that support the NJ90 go to WWW 3com com CAUTION ONLY use the local power supply available from 3Com Failure to do so may result in damage to the NJ90 Net work Jack or may result in a hazardous situation 1 Using an Integrated Switch with Power over Ethernet You must have a switch on the network that provides Power over Ethernet compliant to the IEEE 802 3af standard Wiring closet Network Jack Figure 5 Using Integrated Switch with Power over Ethernet Appendix Setting up the Power Supply 2 Using a Multi port Ethernet Power Supply To use a multi port Ethernet power supply you must connect the power supply to your network as shown in figure 6 on page 9 The multi port Ethernet power supply from 3Com connects to an existing Ethernet or Fast Ethernet infrastructure with standard Cate gory 5 or Category 5 UTP cabling and powers up to 24 NJ90 Net work Jacks Network switch Wiring closet To network hub switch i Network Jack Multi port Ethernet power supply Figure 6 Using a Multi port Ethernet Power Supply 3 Using a Single port Ethernet Power Supply To use a single port Ethernet power supply connect the power supply to the network hub or switch and to the NJ90 as shown in figure 7 Installation Guide Network Wiring closet switch To electri
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