3Com IntelliJack NJ105 User Manual
3Com IntelliJack NJ105 User Manual

3Com IntelliJack NJ105 User Manual

4-port 10/100 mbps unmanaged ethernet switch
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NJ105 IntelliJack
3CNJ105
4-port 10/100 Mbps Unmanaged
Ethernet Switch
http://www.3com.com/
http://www.3com.com/productreg
Published July 2003
User guide version 1.0

User Guide

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Summary of Contents for 3Com IntelliJack NJ105

  • Page 1: User Guide

    User Guide NJ105 IntelliJack 3CNJ105 4-port 10/100 Mbps Unmanaged Ethernet Switch http://www.3com.com/ http://www.3com.com/productreg Published July 2003 User guide version 1.0...
  • Page 2 483,203; 6,449,348; 6,212,195 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...
  • Page 3: Table Of Contents

    Power Options 19 Using an Integrated Switch with Power Over Ethernet Using Ethernet Multi-port Midspan Power Supply Using a Single-port Ethernet Power Supply Using the 3Com Local Power Supply Installation Planning 27 Troubleshooting 29 Troubleshooting Matrix One-Year Free Installation Support...
  • Page 4 Contents Technical Support 33 Support from Your Network Supplier Support from 3Com Returning Products for Repair 3Com Corporation Limited Warranty Limited Warranty and Regulatory Compliance Information...
  • Page 5: About The Nj105 Intellijack

    About the NJ105 IntelliJack The 3Com NJ105 is part of the IntelliJack family of products that provides connectivity at the edge of the network infrastructure. The NJ105 IntelliJack is a 4-port, un-managed Fast Ethernet switch that fits into most standard data port openings.
  • Page 6: Package Contents

    About the NJ105 IntelliJack Package Contents The NJ105 IntelliJack is available in single- and 20-packs. Before installation, familiarize yourself with the following items, which are included with the NJ105: 1 NJ105 IntelliJack. 2 Four pairs of M3.5 x 25mm screws (two per IntelliJack) for mounting the IntelliJack to the wall, floor box or office cubicle.
  • Page 7 All screws are phillips pan head type screws. The type of threads vary to match the different mounting locations compatible with the IntelliJack. Thread forming screws for mounting into plastic: M3 x 30mm (2x) M3 x 40mm (2x) Machine screws for mounting into metal: M3.5 x 30mm (2x) M3.5 x 40mm (2x) For more information on optional components, see Appendix B,...
  • Page 8: Nj105 Description

    About the NJ105 IntelliJack NJ105 Description The following diagram shows the front, rear and bottom views of the IntelliJack: RJ-45 switched PAN (personal area network) ports Port LEDs and corresponding port numbers LAN LED Four 10/100 Mbps auto-negotiation ports, which the NJ105 configures for 10 Mbps or 100 Mbps connections automatically (green LEDs).
  • Page 9 Local power supply cable strain relief. The NJ105 can be powered from a local power supply (available for purchase from 3Com). This is required if your network does not support Power Over Ethernet (PoE). Connects directly to your LAN (located on the front of the NJ105.) Black cable, no LED.
  • Page 10 About the NJ105 IntelliJack...
  • Page 11: Installing The Intellijack

    Over the network via an Ethernet multi-port endspan power supply. Over the network via a single-port Ethernet power supply. Locally via a 3Com local power supply. NOTE: Power Over Ethernet, also known as in-line power, is a method to provide power to equipment over an Ethernet cable, allowing a device to receive both data and power from the same network cable.
  • Page 12: Mounting The Intellijack

    Installing the IntelliJack Before you begin installation, determine which type of power supply the IntelliJack will use. For more information on power options and configuration, see Appendix C, “Power Options”. Mounting the IntelliJack The IntelliJack mounts in any standard British Standard Institute (BSI): BS 4664:1970 cubicle opening or wall outlet.
  • Page 13 IntelliJack. In such cases it is recommended to place the 3Com spacer between the IntelliJack and the after-market face plate. For more information on the different mounting plates and spacers, see Appendix B.
  • Page 14: Connecting Devices To The Intellijack

    Installing the IntelliJack Connecting Devices to the IntelliJack Once the power source and the data source have been verified in good working order and the IntelliJack has been installed and mounted, connect your networking devices (such as computers, printers, IP phones, cameras, etc.) to the IntelliJack. The IntelliJack has two ways to connect devices: 1 RJ-45 Personal Area Network (PAN) Ports —...
  • Page 15: Checking The Leds

    Checking the LEDs You can verify the IntelliJack installation by checking the LEDs. Description (LAN) (Power) (Power- forwarding) CAUTION: Make sure the wiring closet port connected to the IntelliJack white cable is configured as a standard MDI-X port. On—the IntelliJack is connected to the network and a link has been established.
  • Page 16 Installing the IntelliJack...
  • Page 17: Specifications

    Hardware Power consumption Network Interface 10 Mbps Ethernet 10BASE-T 100 Mbps Ethernet 100BASE-TX Specifications <3.5 watts without power forwarding Maximum 11 watts with power forwarding (depending on the device drawing power) Ethernet IEEE 802.3 industry standard for a 10 Mbps baseband CSMA/CD local area network Ethernet IEEE 802.3u industry standard for a 100 Mbps baseband CSMA/CD local area...
  • Page 18 Specifications Performance Auto-negotiation Environment Operating temperature Storage temperature Operating humidity Storage humidity Operating Altitude Storage Altitude Standards Conformance IEEE 802.3 10BASE-T, 100BASE-TX and auto-negotiation Power Over Ethernet IEEE 802.3af Power forwarding of 7 watts, 48 volts from port number 4 Communication speed (10 Mbps or 100 Mbps) and duplex mode (full or half) can be determined through auto-...
  • Page 19 Features Power Over Ethernet Local power supply Voice Over IP (VoIP) Power forwarding Compatible with IEEE 802.3af and Capacitive Power Discovery Process Required for networks that do not support Power Over Ethernet Compatible with VoIP standard. Power forwarding Port number 1 can be used with any standard networking device as well as to power a device such as a VoIP telephone on a network that uses IEEE...
  • Page 20 Specifications...
  • Page 21: Optional Components

    The IntelliJack works with the following optional components, all of which are available from 3Com (order online at www.3com.com). Power Supplies and IP Phone Power Module Component Ethernet Multi-port Midspan Power Supply Ethernet Multi-port Endspan Power Supply Single-port Ethernet power...
  • Page 22: Mounting Plates And Spacers

    Optional Components Mounting Plates and Spacers 3Com Part Number 3CNJMP-EXT 3CNJMPD-UK 3CNJMP-FLR 3CNJMP-SPR 3CNJMP-FR Description 10 mm-thick extension ring used to add depth to wall outlet openings when installing an NJ105 or NJ205 IntelliJack. Mounting plate that enables the installation of the NJ105 and NJ205 IntelliJack devices in a UK- style two- or double-gang box.
  • Page 23: Power Options

    The 3CNJ105 IntelliJack is compliant with the following power options: IEEE 802.3af PSE (Power Source Equipment) 3Com Power over Ethernet Multiport Midspan Solution (3CNJPSE24) 3Com SuperStack 3 Switch 4400 PWR (3CSS34400PWR) Power Injector PoE (3CNJPSE) 3Com IntelliJack AC Power Supply (3CNJPSL) Before you begin the installation, determine which type of power supply the IntelliJack will use.
  • Page 24: Using An Integrated Switch With Power Over Ethernet

    Power Options 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. Connect the network data/power cable to the IntelliJack white cable, as shown in the following illustration.
  • Page 25: Using Ethernet Multi-Port Midspan Power Supply

    The Ethernet multi-port midspan power supply from 3Com connects to an existing Ethernet or Fast Ethernet infrastructure with standard Category 5 or better cabling, and powers up to 24 IntelliJack devices.
  • Page 26 Power Options NOTE: The black cable can also be connected to Ethernet multi-port midspan power supply and will power an IEEE 802.3af device if connected to the pass-through port on the IntelliJack, but it will not provide power to the IntelliJack.
  • Page 27: Using A Single-Port Ethernet Power Supply

    Using a Single-port Ethernet Power Supply 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 IntelliJack white cable, as shown in the following illustration. The black cable should be connected to a data port on the wire closet switch.
  • Page 28: 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 endspan power supply, you must purchase a local power supply from 3Com. See Appendix B "Obtaining Optional Components". To power the IntelliJack with a local power supply, make sure you have an electrical outlet near the site where the IntelliJack will be installed.
  • Page 29 5 Secure the local power supply and cable to the wall. 6 Plug the local power supply into the power source. WARNING: Use the local power supply available from 3Com. Failure to do so may result in damage to the IntelliJack, or may result in a hazardous situation.
  • Page 30 Power Options...
  • Page 31: Installation Planning

    Installation Planning Make sure the wall or cubicle opening where the IntelliJack is being installed complies with the British Standard Institute (BSI): BS 4664:1970 standard, as described below. Make sure the distance between the back of the IntelliJack and the inside of the wall or cubicle opening is at least 25mm to maintain an acceptable bend radius on the cable.
  • Page 32 IntelliJack. In such cases, it is recommended to place the 3Com spacer between the IntelliJack and the after-market face plate. To ensure proper horizontal cabling functionality, adhere to the...
  • Page 33: Troubleshooting

    If you encounter problems with the NJ105 IntelliJack: Verify the IntelliJack is receiving power by viewing the Power LED (it should be on). If the Power LED is not on, make sure that: (If using Power Over Ethernet) 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...
  • Page 34: Troubleshooting Matrix

    Troubleshooting Troubleshooting Matrix Event/ Message Description Power LED is IntelliJack is not not on receiving power Link LED is IntelliJack has no not on connection to the network Solution Ensure power supply is properly connected. For power over Ethernet, make sure dip switch settings are correctly set and that cable is connected to...
  • Page 35 Event/ Message Description Green LEDs Network device has no on Ports 1-4 connection to are not on IntelliJack Amber LED Power is not being on Port 1 is forwarded to network not lit device Troubleshooting Matrix Solution Make sure the cable is properly connected to the network device.
  • Page 36 Troubleshooting Event/ Message Description Authenticati Wrong password has on Failure been entered Timeout Device did not respond within a specified period of time Attributes Unexpected Error configuration parameters General Something other than Error authentication failure, timeout or attributes error has occurred Solution Confirm correct password and re-type.
  • Page 37: One-Year Free Installation Support

    Hours of operation are subject to change. See “Support from 3Com” on page 36. 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...
  • Page 38 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: Hostname: ftp.3com.com...
  • Page 39: Support From Your Network Supplier

    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.
  • Page 40: Support From 3Com

    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.
  • Page 41: 3Com Corporation Limited Warranty

    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 any minimum warranty period required by law.
  • Page 42: Obtaining Warranty Service

    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.
  • Page 43: Limitation Of Liability

    Limited Warranty and Regulatory Compliance Information LIMITATION OF LIABILITY TO THE FULL EXTENT ALLOWED BY LAW, 3COM ALSO EXCLUDES FOR ITSELF AND ITS LICENSORS AND SUPPLIERS ANY LIABILITY, WHETHER BASED IN CONTRACT OR TORT (INCLUDING NEGLIGENCE), FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT,...
  • Page 44: Fcc Declaration Of Conformity

    Federal Communications Commission 47 CFR Part 15, subpart B European Union Declaration of Conformity This product is in compliance with the essential requirements and other relevant provisions of Directives 73/23/EEC and 89/336/EEC. 3Com Corporation - 5500 Great America Pkwy - Santa Clara, California - 95052- 8145 - U.S.A.

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