3Com 3CNJ100 Switch User Manual
Contents
1. p Screw holes y Installation Guide m Make sure the distance between the back of the Network Jack and the inside of the wall or cubicle opening is at least i 1 5 inches 3 inches is recommended NOTE Some cubicle openings have a depth of 1 2 inches In this case install the Network Jack using the extension ring available for purchase separately see Obtaining Optional Components on page 7 to obtain the minimum 1 5 inch depth If installing into a wall junction box make sure there is enough space between the back of the Network Jack and the inside of the junction box to maintain an acceptable bend radius on the cable If you encounter interference or need additional clearance between the Network Jack and where it sits inside the junction box use the extension ring m To ensure proper horizontal cabling functionality adhere to the following network cabling standards during installation a ANSITIA EIA 568 Commercial Building Telecommunications Cabling Standard a ANSI TIA EIA 569 Commercial Building Standard for Telecommunications Pathways and Spaces Installing the Network Jack 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 performs these procedures2. Component Purpose 3C Number s VoIP telephone For powering a VoIP telephone on a Check the 3Com power cable network that uses Capacitive Power web site Discovery Process compatible Power Over Ethernet Network Jack For verifying the Network Jack 3CNJTESTER Tester installation useful if installing multiple Network Jacks Installing the Network Jack Installing the Network Jack consists of the following steps 1 Set up the power supply page 10 2 Set the Power Over Ethernet dip switches page 13 optional required only if your network supports Power Over Ethernet or if you are using a single port or multi port power supply 3 Install the adapter plate and pass through ports page 15 optional Plan the installation page 17 Set up the network cabling at your site page 19 Connect the Network Jack to the network page 19 YOU A Mount the Network Jack to the wall or office cubicle page 22 Installing the Network Jack 8 Connect the local power supply page 23 optional not required if your network supports Power Over Ethernet or if you are using a single port or multi port power supply 9 Connect network devices to the Network Jack page 23 The following diagram displays an overview of the recommended installation where the Network Jack is being connected to an Ethernet network cable that is terminated with a female RJ 45 connector Detailed installation instructions are included in the secti
3. _ Q amp 3C0 Installation Guide 3 NJ100 Network Jack 3CNJ100 4 port 10 100 Mbps Unmanaged Ethernet Switch http www 3com com http www 3com com productreg 09 2141 000 Published September 2001 3Com Corporation 5400 Bayfront Plaza Santa Clara California 95052 8145 m U S A Copyright 2001 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 conditions of merchantability satisfactory quality 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 If there is any software on removable media described in this documentation it is furnished under a license agreement 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
4. CA 95052 8145
5. 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 a network wiring closet via the patch panel 2 Terminate the other end of the cable at the location where the Network Jack is being installed using either a female or male 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 Connecting the Network Jack to the Network The method for connecting the Network Jack to the network is determined by how your network cable is terminated as described in the previous section Setting up the Network Cabling at Your Site CAUTION Make sure the port on the network switch to which the Network Jack is connected is configured as a standard MDI X port Installation Guide m lf the end of the cable 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 Wall To wiring closet Network cable coupler cable Installing the Network Jack If the end of the cable is terminated with a male connector connect the network cable directly into the Ethernet uplink port o To wiring gt closet ff 0000000000 Network cable 21 Installation
6. Over Ethernet m Verify the Network Jack 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 manufacturer 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 m Make sure the port on the switch to which the Network Jack is connected is configured as a standard MDI X port 25 Installation Guide Specifications gt 80 m 1 50 GHRGRR RR RG RR GRHD 4 50 RORAAAORAROAAUAORAQOAAAOOAQAG ooooocoooooaooooooooaoo0o0g000 9S Yy pa 2 30 gt Hardware Power consumption 5 watts without power forwarding Maximum 13 watts with power forwarding depending on the device drawing power Network Interface 10 Mbps Ethernet Ethernet IEEE 802 3 industry standard for 10BASE T a 10 Mbps baseband CSMA CD local area network 100 Mbps Ethernet Ethernet IEEE 802 3u industry standard for 100BASE TX a 100 Mbps baseband CSMA CD local area network 26 Specifications Performance Auto negotiation Communication speed 10 Mbps or 100 Mbps and duplex mode full or half is determined through auto negotiation with the attached devi
7. name ftp 3com com m Username anonymous m Password lt your Internet e mail address gt NOTE You do not need a user name and password with Web browser software such as Netscape Navigator and Microsoft Internet Explorer Support from Your Network Supplier If you require additional assistance consult your network supplier Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services including network planning installation hardware maintenance application training and support services When you contact your network supplier for assistance have the following information ready m Product model name part number and serial number m A list of system hardware and software including revision levels m Diagnostic error messages m 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 30 Contacting Technical Support Support from 3Com If you are unable to obtain assistance from the 3Com online technical 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 1 800 527 8677 When you contact 3Com for assistance have the following information ready m Product model name part number and serial number m A list of system hardware and software incl
8. or LICENSE 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 Commercial 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 conjunction 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 countries 3Com is a registered trademark and the 3Com logo is a trademark of 3Com Corporation All other company and product names may be trademarks of the respective companies with which they are associated Contents About the Network Jack 2 Before You Begin 6 Obtaining Optional Components 7 Installing the Netw
9. power supply documentation Network switch Wiring closet To network hub switch To Network Jack Multi port Ethernet power supply Installation Guide Using a Single port Ethernet Power Supply To use a single port power supply connect the power supply to the network hub or switch and to the Network Jack as shown in the following illustration See Obtaining Optional Components on page 7 for ordering information For complete installation instructions see the single port Ethernet power supply documentation Network Switch Wiring closet To electrical hub switch Neak Jack Using the 3Com Local Power Supply To use the local power supply make sure you have an electrical outlet near the site where the Network Jack will be installed Installing the Network Jack Setting the Power Over Ethernet Dip Switches If your network switch or power supply supports Power Over Ethernet you must set the dip switches on the Network Jack to the appropriate setting Capacitive Power Discovery 24V Capacitive Power Discovery 48V or IEEE 802 3af NOTE If you are not using Power Over Ethernet to li power the Network Jack skip this section Go to Installing the Adapter Plate and Pass Through Ports on page 15 to continue WARNING Before setting the dip switches make sure that power to the Network Jack is off Do not change dip switches 1 and 2 from their factory default settings
10. ES ARE EXCLUSIVE AND ARE IN OR CONDITIONS EXPRESS OR IMPLIED EITHER IN FACT OR BY O STATUTORY OR OTHERWISE INCLUDING WITH TERMS OR CONDITIONS OF MERCHANTABILITY PURPOSE SATISFACTORY QUALITY CORRESPONDENCE WIT LIEU OF A O ET ENJOYMENT ALL OF OF THIS P IST OR WAS CAUSED BY ECT IMPROPER INSTALLATION O ZED ATTEMPTS TO OPEN REPAIR OR OTHER CAUSE BEYOND T LIGHTNING POWER CUT LIMITATION OF LIABILITY L EXTENT ALLOWED BY LAW 3COM ALSO EXCLUDES FOR LICENSORS AND SUPPLIERS ANY LIABILITY W INCLUDING NEGLIGENCE FOR INCIDEN SPECIAL OR PUNITIVE DAMAGES OF ANY KIND O NESS LOSS OF INFORMATION OR DATA OR OTH ECTION WITH THE SALE ANCE FAILURE O TO TH ITS TORT E FU PROFI FINAN INSTA OF ITS ADVIS REPAIR RE TS LOSS OF BUS LLAT PRODUCTS EVEN ED OF THE POSSIBI PLACEMEN OPTION THIS DISCLA ANY REMEDY PROVIDED Some countries states o implied warranties or the certain products supplied personal inj application their entire y they will be THE RANGE OF 1 CIAL LOSS ARISING OUT OF OR IN CONN ON MAINTENANCE USE PERFORM T O MER OF LIABILITY FOR i to you When S OR OUTAGES OTHER TAI F 3COM OR ITS AUTHO LI R REFUND OF THE PU HEREIN SHALL FAIL OF IT provinces do not allow mitation of incidental o o consumers or the lim ury so the above limitations and exclusions may be lim ies are not allowed the implied
11. Guide Mounting the Network Jack After connecting the Network Jack to the network use the two provided screws to mount the Network Jack in any standard NEMA WD6 cubicle opening or wall outlet If the cubicle or wall opening has a depth of fewer than five inches does not support the NEMA WD6 standard or does not have pre drilled screw holes mount the Network Jack using the extension ring as shown below Wall 1 5 gt lt 1 2 gt lt 3 Standard Extension ring wall mount wall mount NOTE Make sure the vents along the edges of the Network Jack faceplate are clear of any obstructions 2 Installing the Network Jack Connecting the Local Power Supply Optional 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 see Obtaining Optional Components on page 7 Plug the local power supply into the power connector located on the bottom of the Network Jack and then plug it into any standard electrical outlet CAUTION Use the local power supply available from 3Com Failure to do so may result in damage to the Network Jack or may result in a hazardous situation Connecting Devices to the Network Jack After the Network Jack is installed and mounted connect your networking devices such as computers printers etc to any of the four switched ports on the front of the
12. Network Jack If you installed the adapter plate with pass through ports connect the appropriate device s to the port s 23 Installation Guide Checking the LEDs You can verify the Network Jack installation by checking the LEDs LED Description a On The Network Jack is connected to the network and a link has been established a Off there is no connection to the network LAN a On The Network Jack is receiving power local or via the network Off the Network Jack is not receiving power Power Troubleshooting the Network Jack If you encounter problems with the Network Jack m Verify the Network Jack is receiving power by viewing the Power LED it should be lit If the Power LED is not lit make sure the Power Over Ethernet dip switches are set correctly for either Capacitive Power Discovery Process 24V or 48V or IEEE 802 3af if your network supports Power Over Ethernet See Setting the Power Over Ethernet Dip Switches on page 13 for instructions 24 Troubleshooting the Network Jack If using Power Over Ethernet make sure the other end of the network cable is plugged into a switch on the network that has Power Over Ethernet integrated into it or one that feeds into an external midspan power supply that supports Power Over Ethernet Local power supply is plugged into the Network Jack and into a working electrical outlet if your network does not support Power
13. OFF Changing these settings may result in performance degradation 1 On the back of the Network Jack remove the dip switch cover Dip switch cover Installation Guide 2 Set the appropriate dip switches labeled 3 and 4 for the type of Power Over Ethernet supported The default setting is IEEE 802 3af compatible Power Over Ethernet Dip Switch Power Over Ethernet Supported Numbers Setting Capacitive Power Discovery 24V Ethernet 4 ON Power Source 3 ON mm 4 om 13 i 2 ON m 1 Capacitive Power Discovery 48V Ethernet 4 ON Power Source 3 OFF mi 14 c n 33 cw 2 ON Coa 31 IEEE 802 3af compatible Power Over 4 OFF Ethernet 3 OFF E 4 3 C 2 ON 1 3 Replace the dip switch cover Installing the Network Jack Installing the Adapter Plate and Pass Through Ports If you want to install the blank adapter plate or if you want to use pass through ports for connecting an analog or PBX digital telephone or for setting up a connection to a separate network segment purchase supported connectors and install them on the appropriate Network Jack adapter plate included with the single pack available for purchase separately with the 20 pack For a list of connectors that are supported with the Network Jack adapter plates go to www 3com com NOTE If you are not planning on installing the adapter li plate and pass through ports skip this section Go to
14. Planning the Installation on page 17 to begin the installation 1 Pull the network cable s from the wiring closet to the location of the Network Jack Installation Guide 2 To wiring 3 Thread the network cable s through the empty slot on the Network Jack Wall closet VOUUUNUUEDNNOTTTTNTDNNNT TENN Terminate the end of the network cable s with the connector s you purchased separately Refer to the connector manufacturer s instructions for terminating the cable Be sure to test end to end system functionality and verify that it is working Snap the connector s into the appropriate adapter plate Each adapter plate is labeled with the name of a connector s manufacturer Be sure to use the adapter plate that matches the manufacturer of your connector s Mount the adapter plate to the Network Jack using the two adapter plate screws provided Installing the Network Jack Planning the Installation When installed the back of the Network Jack extends into a wall or cubicle opening 1 5 inches Because the depth of some wall and cubicle openings differ observe the following requirements and recommendations before installing the Network Jack m Make sure the wall or cubicle opening where the Network Jack is being installed complies with the NEMA WD6 standard as described below i lt 1 750 gt 44 45 mm 9 A 3 28125 P 83 31 mm 71 44 mm reference Y
15. 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 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 DOCUMENT DO NOT APPLY TO SUCH THIRD PARTY SOFTWARE IF A SEPARATE END USER LICENSE AGREEMENT HAS BEEN PROVIDED FOR SUCH THIRD PARTY SOFTWARE USE OF THAT SOFTWARE WILL BE GOVERNED BY THAT AGREEMENT FOR ANY APPLICABLE WARRANTY PLEASE REFER TO THE END USER LICENSE AGREEMENT GOVERNING 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 authorized reseller may be required A User Service Ord
16. ayfront Plaza P O Box 58145 Santa Clara CA 95052 8145 408 326 5000 Rev 6 14 01 v8 3 Limited Warranty and Regulatory Compliance Information FCC Class A Verification Statement 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 and the Canadian Department of Communications Equipment Standards entitled Digital Apparatus ICES 003 These limits are designed to provide reasonable protection against harmful interference in a commercial installation 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 in which case the user will be required to correct the interference at the user s own expense Changes or modifications not expressly approved by 3Com could void the user s authority to operate this equipment FCC Declaration of Conformity We declare under our sole responsibility that the Model Description NJ100 Network Jack to which this declaration relates is in conformity with the following standards or other normative documents m ANSI C63 4 1992 Methods of Measurement Federal Communications Commission 47 CFR Part 15 subpart B 3Com Corporation 5400 Bayfront Plaza P O Box 58145 Santa Clara
17. ces The Network Jack attempts to negotiate the fastest connection possible 100 Mbps full duplex Environment Operating temperature 32 to 104 F 0 to 40 C Storage temperature 22 to 194 F 3 to 90 C Operating humidity 10 90 noncondensing Storage humidity 10 90 noncondensing Operating Altitude 8 000 ft Storage Altitude 20 000 ft Standards Conformance IEEE 802 3 10BASE T 100BASE TX and auto negotiation Power Over Ethernet Capacitive Power Discovery Process and IEEE 802 3af Power forwarding IEEE 802 3 6 watts 48 volts 27 Installation Guide Features Power Over Ethernet Compatible with IEEE 802 3af and Capacitive Power Discovery Process Local power supply Required for networks that do not support Power Over Ethernet Voice Over IP VoIP Compatible with VoIP standard Power forwarding Port number 1 can be used with any standard networking device as well as to power a VolP telephone on a network that uses IEEE 802 3af compatible Power Over Ethernet Contacting Technical Support 3Com provides easy access to technical support information through a variety of services This appendix describes these services Information contained in this appendix is correct at time of publication For the most recent information 3Com recommends that you access the 3Com Corporation World Wide Web site One Year Free Installation Support 3Com provides free installation and troubleshooting telep
18. er 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 prepaid It is recommended that returned products 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 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 permitted 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 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 Limited Warranty and Regulatory Compliance Information WARRANTIES EXCLUSIVE WARRANTY DISCLAIMER TO THE FU INFRINGEMENT AND QU DISCLAIMED 3COM NEI ASSUME FOR IT ANY OT INSTALLATI 3COM SHAI PRODUCT DOES NOT EXI PERSON S MISUSE NEGLI UNAUTHOR THER ASSUMES HER LIABILITY IN CONNEC ON MAINTENANCE OR USE LL NOT BE LIABLE UNDER TH EXAMINATION DISCLOSE THAT THE ALLEGED DE LL EXTENT ALLOWED BY LAW THE FOREGOING WARRANT REMEDI
19. forwarding port it can be used with any standard networking device as well as to power a VoIP telephone on a network that uses IEEE 802 3af compatible Power Over Ethernet Slot for adapter plate Can be fitted with an adapter plate which can be installed with up to two pass through ports Adapter plate with installed pass through port connector Can be used for voice or other networking applications The port bypasses the functionality of the switch allowing you to set up a connection to a separate network segment or to connect to an analog or digital PBX telephone The adapter plates are available from 3Com However you must purchase the connectors from the manufacturer See Installing the Adapter Plate and Pass Through Ports on page 15 for more information LEDs D Indicates network connection status Indicates power status Power socket Can be used to power the Network Jack with a local power supply available for purchase from 3Com required if your network does not support Power Over Ethernet Installation Guide The following diagram shows the back view of the Network Jack T 00000000000 IN 4 0000000000000000 About the Network Jack Ethernet uplink port Connects the Network Jack to the network Make sure the port on the network switch to which the Network Jack is connected is configured as a standard MDI X port Slot for adap
20. hone support for this product for one 1 year from the date of purchase Hours of operation are subject to change See Support from 3Com on page 31 28 Contacting Technical Support Online Technical Services 3Com offers worldwide product support 24 hours a day 7 days a week through the following online systems m World Wide Web site m 3Com Knowledgebase Web Services m 3Com FIP site World Wide Web Site To access the latest networking information on the 3Com Corporation 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 maintenance 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 information on most 3Com products 29 Installation Guide 3Com FTP Site Download drivers patches software and MIBs across the Internet from the 3Com public FTP site This service is available 24 hours a day 7 days a week To connect to the 3Com FTP site enter the following information into your FTP client m Host
21. ny minimum warranty period required by law 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 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 if operated as directed in the user documentation substantially achieve the functionality described in the user documentation for a period of ninety 90 days from the date of purchase from 3Com 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 Limited Warranty and Regulatory Compliance Information 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
22. onnected to the network via one Ethernet port Optional connectors are also available that allow up to two additional devices to be connected to separate network segments through the same Network Jack The Network Jack needs no software to operate and little or no configuration All ports feature 10 100 Mbps auto negotiation which configures the Network Jack for 10 Mbps or 100 Mbps connections automatically Power to the Network Jac m Over the network via Power Over Ethernet can be provided one of the following ways an integrated switch that supports specifically a switch that is compatible with Capacitive Power Discovery Process 24V or 48V or IEEE 802 3af compatible Power Over Ethernet Power Over Ethernet also known as in line power is a feature that provides power onto an Ethernet cable allowing a device to receive both data and power from the same network cable m Over the network via an optional single port or multi port Ethernet power supply See Setting up the Power Supply on page 10 for more information m Locally via an optional local power supply See Using the 3Com Local Power Supply on page 12 for more information Installation Guide About the Network Jack The following diagram shows the front view of the Network Jack About the Network Jack Switched ports Allow up to four devices to be connected to the network Port number 1 is also a power
23. ons that follow To wiring closet Network cable Installation Guide Setting up the Power Supply Power to the Network Jack can be supplied one of the following ways m Over the network via an integrated switch that supports Power Over Ethernet m Over the network via a multi port Ethernet power supply m Over the network via a single port Ethernet power supply m Locally via a 3Com local power supply Before you begin the installation determine which type of power supply the Network Jack will use NOTE For a list of power supplies that support the li Network Jack go to www 3com com Using an Integrated Switch with Power Over Ethernet To use Power Over Ethernet you must have a switch on the network that has Power Over Ethernet integrated into it You must then determine if it is compatible with Capacitive Power Discovery Process 24V or 48V or IEEE 802 3af 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 the illustration on page 11 Installing the Network Jack The multi port Ethernet power supply from 3Com connects to an existing Ethernet or Fast Ethernet infrastructure with standard Category 5 or Category 5e UTP cabling and powers up to 24 Network Jacks See Obtaining Optional Components on page 7 for ordering information For complete installation instructions see the multi port Ethernet
24. ork Jack 8 Setting up the Power Supply 10 Using an Integrated Switch with Power Over Ethernet 10 Using a Multi port Ethernet Power Supply 10 Using a Single port Ethernet Power Supply 12 Using the 3Com Local Power Supply 12 Setting the Power Over Ethernet Dip Switches 13 Installing the Adapter Plate and Pass Through Ports Planning the Installation 17 Setting up the Network Cabling at Your Site 19 Connecting the Network Jack to the Network 19 Mounting the Network Jack 22 Connecting the Local Power Supply Optional 23 Connecting Devices to the Network Jack 23 Checking the LEDs 24 Troubleshooting the Network Jack 24 Specifications 26 Contents Contacting Technical One Year Free Insta Online Technical Se World Wide Web Si 3Com Knowledgebase Web Services 3Com FTP Site 30 Support from Your Support from 3Com Returning Products Support 28 lation Support rvices 29 e 29 28 29 etwork Supplier 30 31 or Repair 31 3Com Corporation Limited Warranty 33 FCC Class A Verification Statement 37 FCC Declaration of Conformity 37 Inst allation Guide The 3Com Network Jack is a 4 port unmanaged Ethernet switch that fits into any standard electrical wall outlet or data port opening The Network Jack brings switching capabilities to any single port on an Ethernet network by allowing up to four networking devices such as compute telephones and scanners rs printers Voice Over IP VoIP to be c
25. t RJ 45 and RJ 11 a Avaya RJ 45 and RJ 11 NOTE The connectors for the adapter plates must be purchased from the manufacturer For a list of supported connectors go to www 3com com m Adapter plate screws 2 for mounting the adapter plate to the Network Jack Obtaining Optional Components Obtaining Optional Components The Network Jack works with the following optional components all of which are available from 3Com Order online at www 3com com or by calling 1 877 949 3266 Component Purpose 3C Number s Adapter plates For installing pass through port 3CNJAP PA 20 connectors of your choice that allow 3CNJAP AV 20 a direct connection to another network segment or for connecting an analog or digital PBX telephone Extension ring For ensuring that the Network Jack 3CNJEXTRING is properly mounted to a cubicle required if the cubicle opening m Has a depth of fewer than 1 5 inches Does not support the NEMA WD6 standard a Does not have pre drilled screw holes for standard mounting Single port For providing Power Over Ethernet 3CNJPSE Ethernet power to locally power a single Network supply ack Multi port For providing Power Over Ethernet 3CNJPSE24 Ethernet power to power up to 24 Network Jacks 3 49720 supply 3C 10222 Local power For locally powering a single 3CNJPSL supply letwork Jack required if your network does not support Power Over Ethernet Installation Guide
26. ter plate Can be fitted with an adapter plate which can be installed with up to two pass through ports Adapter plate with installed pass through port connector Connects the installed pass through port to the network Dip switches Determine the type of Power Over Ethernet Capacitive Power Discovery Process 24V or 48V or IEEE 802 3af the Network Jack uses Setting the dip switches is required only if your network supports Power Over Ethernet or if you are using a multi port Ethernet power supply See Setting the Power Over Ethernet Dip Switches on page 13 for instructions Installation Guide Before You Begin Before you begin installation register your product at www 3com com productreg The Network Jack is available in single and 20 packs Before you begin the installation make sure you have the following items which are included with the Network Jack m 6x32 screws 2 per Network Jack for mounting the Network Jack to the wall or office cubicle m RJ 45 coupler cable 1 per Network Jack for connecting the Ethernet cable from the network to the Network Jack required only if your network cable is terminated with a female RJ 45 connector m Installation guide 1 per package Additionally the following items are shipped with the single pack m Adapter plates for installing connectors to use as pass through ports The adapter plates accommodate connectors from suppliers including a Pandui
27. uding revision levels m Diagnostic error messages m 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 without authorization numbers will be returned to the sender unopened at the sender s expense To obtain an authorization number call 1 800 527 8677 31 Limited Warranty and Regulatory Compliance Information 3Com Corporation 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 3Com Network Jack 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 Limited Lifetime for as long as the original Customer owns the product or for 5 years after product discontinuance whichever occurs first not transferable to a subsequent end user FOR NON US CUSTOMERS Where a limited lifetime warranty is not permitted by local law a 10 year warranty period shall be given by 3Com The duration of this warranty shall be modified where necessary to meet a
28. warran imited to the duration o 3 NOR AUT S WARRANTY IF ITS FECT OR THE INTEN ITY OF SUCH DAMAGES AND LIMITS ITS LIABI RCHASE PRICE PAI DAMAGES WILL NOT BE Al TIES AND LL OTHER WARRANTIES TERMS PERATION OF LAW TATION WARRANTIES R A PARTICULAR H DESCRIPTION NON WHICH ARE EXPRESSLY HORIZES ANY OTHER PERSON TO TION WITH THE SALE RODUCT UT LIMI ITNESS FO TESTING AND MALFUNCTION IN THE CUSTOMER S OR ANY THIRD R TESTING MODIFY THE PRODUCT OR ANY DED USE OR BY ACCIDENT FIRE JAZARDS OR ACTS OF GOD TSELF AND ETHER BASED IN CONTRACT OR CONSEQUENTIAL INDIRECT R FOR LOSS OF REVENUE OR ER L R INTERRUPTION HAS BEEN LITY TO D AT 3COM S FFECTED IF S ESSENTIAL PURPOSE he exclusion or limitation of r consequential damages for itation of liability for death or ited in their o be excluded in the applicable written warranty RIZED RESELLER This warranty gives you specific legal rights which may vary depending on local law Limited Warranty and Regulatory Compliance Information 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 B
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