User Guide
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... make changes in this user guide. All other countries. 3Com and the 3Com logo are commercial in this documentation and the software described herein are associated. No part of this documentation may make improvements or changes in the product(s) and/or the program(s) described in content from 3Com Corporation. 3Com Corporation reserves the right to revise this documentation and to make any derivative work...
... make changes in this user guide. All other countries. 3Com and the 3Com logo are commercial in this documentation and the software described herein are associated. No part of this documentation may make improvements or changes in the product(s) and/or the program(s) described in content from 3Com Corporation. 3Com Corporation reserves the right to revise this documentation and to make any derivative work...
User Guide
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... Specifications 5 B: Wall Outlet Dimensions 7 C: Setting up the Power Supply 8 D: Setting up the Network Cabling at Your Site 12 E: Troubleshooting the NJ90 13 F: Contacting Technical Support 14 Limited Warranty & Regulatory Compliance Information 17 List of Contents Contents 1. Table of Illustrations Fig.1 NJ90 Feature Description 2 Fig.2 NJ90 Installation 3 Fig.3 NJ90 Dimensions 5 Fig.4 Wall Outlet (NEMA-WD6) Dimensions 7 Fig.5 Using an Integrated Switch with Power over Ethernet 8 Fig.6 Using a Multi-port Ethernet Power Supply...
... Specifications 5 B: Wall Outlet Dimensions 7 C: Setting up the Power Supply 8 D: Setting up the Network Cabling at Your Site 12 E: Troubleshooting the NJ90 13 F: Contacting Technical Support 14 Limited Warranty & Regulatory Compliance Information 17 List of Contents Contents 1. Table of Illustrations Fig.1 NJ90 Feature Description 2 Fig.2 NJ90 Installation 3 Fig.3 NJ90 Dimensions 5 Fig.4 Wall Outlet (NEMA-WD6) Dimensions 7 Fig.5 Using an Integrated Switch with Power over Ethernet 8 Fig.6 Using a Multi-port Ethernet Power Supply...
User Guide
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NJ90 User Guide The 3Com Network Jack is a platform that fits into most standard data port openings. The NJ90 Network Jack is a 4-port, un-managed Fast Ethernet switch that provides connectivity at : www.3com.com/support 1. The NJ90 needs no software to the network via its own Ethernet port. Also, the 3Com Network Jack is available in the wall. All ports feature 10/100 Mbps auto-negotiation, which are included with the NJ90: • NJ90 Unit • 6x32...
NJ90 User Guide The 3Com Network Jack is a platform that fits into most standard data port openings. The NJ90 Network Jack is a 4-port, un-managed Fast Ethernet switch that provides connectivity at : www.3com.com/support 1. The NJ90 needs no software to the network via its own Ethernet port. Also, the 3Com Network Jack is available in the wall. All ports feature 10/100 Mbps auto-negotiation, which are included with the NJ90: • NJ90 Unit • 6x32...
User Guide
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... descriptions below) 3 1 4 56 2 Figure 1 - Installation Guide 2. Indicates NJ90 power status. 3 Uplink Port Connects NJ90 to the Network cable 4 Hook Secure the Coupler Cable with a tiewrap 5 Power socket NJ90 can be connected to be powered from a local power supply (available for purchase separately from 3Com) 6 Strain Relief Channel Strain Relief Channel for the Local Power Cord 2 NJ90 Feature Description 1 Four Switching Ports Allow up to four devices to the network. 2 LED's Indicates network connection and activity...
... descriptions below) 3 1 4 56 2 Figure 1 - Installation Guide 2. Indicates NJ90 power status. 3 Uplink Port Connects NJ90 to the Network cable 4 Hook Secure the Coupler Cable with a tiewrap 5 Power socket NJ90 can be connected to be powered from a local power supply (available for purchase separately from 3Com) 6 Strain Relief Channel Strain Relief Channel for the Local Power Cord 2 NJ90 Feature Description 1 Four Switching Ports Allow up to four devices to the network. 2 LED's Indicates network connection and activity...
User Guide
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..., use the RJ-45 coupler cable included in the package to connect the Network jack to the network cable (recommended installation). Install the NJ90 Network Jack Wall To wiring closet Network cable RJ-45 coupler cable 3. NJ90 Installation 3.1 Install the NJ90 Network Jack. 3.2 Set up the power supply 3.1 - 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. NJ90 Installation Wall...
..., use the RJ-45 coupler cable included in the package to connect the Network jack to the network cable (recommended installation). Install the NJ90 Network Jack Wall To wiring closet Network cable RJ-45 coupler cable 3. NJ90 Installation 3.1 Install the NJ90 Network Jack. 3.2 Set up the power supply 3.1 - 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. NJ90 Installation Wall...
User Guide
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... the network. (Power) •On - LED Description (Lan) •On - 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. Network Activity. •Off - The NJ90 is no connection to the network and a link has been established. •Blinking - The NJ90 is receiving power (local or via the network). •Off - Installation Guide Step 3: Mount...
... the network. (Power) •On - LED Description (Lan) •On - 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. Network Activity. •Off - The NJ90 is no connection to the network and a link has been established. •Blinking - The NJ90 is receiving power (local or via the network). •Off - Installation Guide Step 3: Mount...
User Guide
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... standard for 10 Mbps or 100 Mbps connections automatically. .91" .90" 4.50" 2.75" 1.81" Figure 3 - All ports feature 10/100 Mbps auto-negotiation, which configures the NJ90 for a 100 Mbps baseband CSMA/CD local area network 5 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...
... standard for 10 Mbps or 100 Mbps connections automatically. .91" .90" 4.50" 2.75" 1.81" Figure 3 - All ports feature 10/100 Mbps auto-negotiation, which configures the NJ90 for a 100 Mbps baseband CSMA/CD local area network 5 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...
User Guide
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... 8,000 ft Storage Altitude Standards Conformance 20,000 ft IEEE 802.3 10BASE-T, 100BASE-TX and auto-negotiation Power Over Ethernet: IEEE 802.3af Packet Prioritization: 802.1p (QoS) Features 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 the attached devices. to 194º F (-3º...
... 8,000 ft Storage Altitude Standards Conformance 20,000 ft IEEE 802.3 10BASE-T, 100BASE-TX and auto-negotiation Power Over Ethernet: IEEE 802.3af Packet Prioritization: 802.1p (QoS) Features 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 the attached devices. to 194º F (-3º...
User Guide
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...-port Ethernet power supply. 4. Wiring closet To Network Jack Figure 5 - Over the network via a 3Com local power supply. Over the network via an integrated switch that provides Power over Ethernet. 2. Before you begin the installation, determine which type of the following ways: 1. Failure to do so may result in damage to the IEEE 802.3af standard. Installation Guide Appendix C: Setting up the Power Supply Power to www.3com.com CAUTION: ONLY use . Using an Integrated Switch with Power...
...-port Ethernet power supply. 4. Wiring closet To Network Jack Figure 5 - Over the network via a 3Com local power supply. Over the network via an integrated switch that provides Power over Ethernet. 2. Before you begin the installation, determine which type of the following ways: 1. Failure to do so may result in damage to the IEEE 802.3af standard. Installation Guide Appendix C: Setting up the Power Supply Power to www.3com.com CAUTION: ONLY use . Using an Integrated Switch with Power...
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...3Com connects to an existing Ethernet or Fast Ethernet infrastructure with standard Category 5 or Category 5e UTP cabling, and powers up the Power Supply 2) Using a Multi-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. 9 Network switch Wiring closet To network hub/switch To Network Jack Multi-port Ethernet power supply Figure 6 - Appendix C: Setting up to 24 NJ90 Network Jacks. Using a Multi-port Ethernet Power Supply 3) Using a Single-port Ethernet Power Supply...
...3Com connects to an existing Ethernet or Fast Ethernet infrastructure with standard Category 5 or Category 5e UTP cabling, and powers up the Power Supply 2) Using a Multi-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. 9 Network switch Wiring closet To network hub/switch To Network Jack Multi-port Ethernet power supply Figure 6 - Appendix C: Setting up to 24 NJ90 Network Jacks. Using a Multi-port Ethernet Power Supply 3) Using a Single-port Ethernet Power Supply...
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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 have an electrical outlet near the site where the NJ90 will be installed. To use the local power supply, make sure you must purchase a local power supply from 3Com. Figure 8 - Using the 3Com Local Power Supply 10 Installation Guide Network switch To electrical outlet Wiring closet To network hub/switch To Network Jack 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 have an electrical outlet near the site where the NJ90 will be installed. To use the local power supply, make sure you must purchase a local power supply from 3Com. Figure 8 - Using the 3Com Local Power Supply 10 Installation Guide Network switch To electrical outlet Wiring closet To network hub/switch To Network Jack Figure 7 -
User Guide
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... network does not support Power Over Ethernet. 3C Number(s) 3C17205 3CNJPSE24 3CNJPSE 3CNJPSL 11 The NJ90 works with Power over Ethernet Multi-port Ethernet power supply (Uses Spare Pairs) Single-port Ethernet power supply (Uses Spare Pairs) Local power supply Purpose For providing Power over Ethernet to power a single NJ90. Updated information is available online at www.3com.com/products Component Integrated Switch with the following Power Supplies. Plug the Local Power Supply into the Network Jack. 2. Plug the power cable into the power source. Appendix C: Setting...
... network does not support Power Over Ethernet. 3C Number(s) 3C17205 3CNJPSE24 3CNJPSE 3CNJPSL 11 The NJ90 works with Power over Ethernet Multi-port Ethernet power supply (Uses Spare Pairs) Single-port Ethernet power supply (Uses Spare Pairs) Local power supply Purpose For providing Power over Ethernet to power a single NJ90. Updated information is available online at www.3com.com/products Component Integrated Switch with the following Power Supplies. Plug the Local Power Supply into the Network Jack. 2. Plug the power cable into the power source. Appendix C: Setting...
User Guide
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... closet to the connector manufacturer's instructions for Telecom- Refer to the wall or cubicle opening) may already be installed. Installation Guide Appendix D: Setting up the Network Cabling at Your Site The network cabling at the location where the NJ90 is being installed using a female RJ-45 connector. Terminate the other end of an Ethernet cable to local safety and regulatory codes during installation: • ANSI/TIA/EIA...
... closet to the connector manufacturer's instructions for Telecom- Refer to the wall or cubicle opening) may already be installed. Installation Guide Appendix D: Setting up the Network Cabling at Your Site The network cabling at the location where the NJ90 is being installed using a female RJ-45 connector. Terminate the other end of an Ethernet cable to local safety and regulatory codes during installation: • ANSI/TIA/EIA...
User Guide
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...). If the Link LED is plugged into the NJ90 and into a system that provides Power over Ethernet according to the network properly by viewing the Power LED (it is configured as a standard MDI-X port. If the Power LED is not lit, make sure the network cable: • Is terminated properly. Verify the NJ90 is connected to IEEE 802.3af, if using Power over Ethernet. • The Local Power Supply is not...
...). If the Link LED is plugged into the NJ90 and into a system that provides Power over Ethernet according to the network properly by viewing the Power LED (it is configured as a standard MDI-X port. If the Power LED is not lit, make sure the network cable: • Is terminated properly. Verify the NJ90 is connected to IEEE 802.3af, if using Power over Ethernet. • The Local Power Supply is not...
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...; 3Com Knowledgebase Web Services 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 you access the 3Com Corporation World Wide Web site: www.3com.com. 90 Day Free Installation Support 3Com provides free installation and troubleshooting telephone support for...
...; 3Com Knowledgebase Web Services 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 you access the 3Com Corporation World Wide Web site: www.3com.com. 90 Day Free Installation Support 3Com provides free installation and troubleshooting telephone support for...
User Guide
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... recent configuration changes, if applicable Returning Products for Repair Before you send a product directly to 3Com for assistance, have the following information ready: • Product model name, part number, and serial number • A list of system hardware and software, including revision levels • Diagnostic error messages • Details about your network supplier, see the following section on how to provide a variety of services, including network planning, installation, hardware...
... recent configuration changes, if applicable Returning Products for Repair Before you send a product directly to 3Com for assistance, have the following information ready: • Product model name, part number, and serial number • A list of system hardware and software, including revision levels • Diagnostic error messages • Details about your network supplier, see the following section on how to provide a variety of services, including network planning, installation, hardware...
User Guide
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... this document supersede any replaced or repaired product or part for ninety (90) days from 3Com or its authorized reseller. No updates or upgrades are replaced will become the property of the appropriate programs and associated reference materials. 17 Replacement products or parts may be new or reconditioned. 3Com warrants any such information that thishardware product will , if operated as described above. SOFTWARE: 3Com warrants...
... this document supersede any replaced or repaired product or part for ninety (90) days from 3Com or its authorized reseller. No updates or upgrades are replaced will become the property of the appropriate programs and associated reference materials. 17 Replacement products or parts may be new or reconditioned. 3Com warrants any such information that thishardware product will , if operated as described above. SOFTWARE: 3Com warrants...
User Guide
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... products returned to 3Com for any software, firmware, information, or memory data of Customer contained in, stored on the outside of the package sent to 3Com's Corporate Service Center. FOR ANY APPLICABLE WARRANTY, PLEASE REFER TO THE END USER LICENSE AGREEMENT GOVERNING THE USE OF THAT SOFTWARE. For any mandatory legal requirements. 3Com shall not be responsible for repair, whether under warranty...
... products returned to 3Com for any software, firmware, information, or memory data of Customer contained in, stored on the outside of the package sent to 3Com's Corporate Service Center. FOR ANY APPLICABLE WARRANTY, PLEASE REFER TO THE END USER LICENSE AGREEMENT GOVERNING THE USE OF THAT SOFTWARE. For any mandatory legal requirements. 3Com shall not be responsible for repair, whether under warranty...
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...USE, OR BY ACCIDENT, FIRE, LIGHTNING, POWER CUTS OR OUTAGES, OTHER HAZARDS, OR ACTS OF GOD. THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE. LIMITATION OF LIABILITY: TO THE FULL EXTENT ALLOWED BY LAW, 3COM...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, ...
...USE, OR BY ACCIDENT, FIRE, LIGHTNING, POWER CUTS OR OUTAGES, OTHER HAZARDS, OR ACTS OF GOD. THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE. LIMITATION OF LIABILITY: TO THE FULL EXTENT ALLOWED BY LAW, 3COM...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, ...
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... CA 95052-8145 (408) 326-5000 Rev. 10/01/2002 Register Online: When you first call 3Com, we will be limited in their conflicts of laws principles. Installation Guide or the limitation of liability for the International Sale of Goods is hereby excluded in their entirety, they ...you specific legal rights which may be limited to the duration of the United States, excluding their application to determine warranty status. The United Nations Convention on Contracts for death or personal injury, so the above limitations and exclusions may vary depending on -line at http://support.3com.com/...
... CA 95052-8145 (408) 326-5000 Rev. 10/01/2002 Register Online: When you first call 3Com, we will be limited in their conflicts of laws principles. Installation Guide or the limitation of liability for the International Sale of Goods is hereby excluded in their entirety, they ...you specific legal rights which may be limited to the duration of the United States, excluding their application to determine warranty status. The United Nations Convention on Contracts for death or personal injury, so the above limitations and exclusions may vary depending on -line at http://support.3com.com/...