3Com 3CNJ95 - Manual

User Guide 2 1. Package Contents Single Pack & Multi Pack The NJ95 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 NJ95: ■ NJ95 Main Unit ■ Universal “wall plate” (1 per ...

2. NJ95 Description 3 2. NJ95 Description The following diagram shows the front view of the NJ95 and both the Universal (2a) and Manufacturer Specific (2b) wall plates. (see descriptions below) Figure 1: NJ95 Feature Description davinci_gde.book Page 3 Thursday, December 26, 2002 4:52 PM

3. Installing the NJ95 Network Jack 5 3. Installing the NJ95 Network Jack Figure 2: NJ95 Network Jack Main Unit 1 Install the Universal “wall plate” or Manufacturer-specific “wall plate”. 2 Mount the NJ95 Main unit on the Universal or Manufacturer-specific “wall plate”. 3 Set up the power supply (Ap...

User Guide 6 1a. Installing the Universal wall plate Figure 3a: Installing the Universal Wall Plate 1 Thread the RJ-45 Connector attached to the wiring closet cable through the opening in the Universal wall plate (Fig. 3a). or If necessary connect the coupler cable (Male RJ-45) to the female RJ-45 c...

User Guide 8 1b. Installing the Manufacturer-specific wall plate Figure 4: Installing the Manufacturer-specific Wall Plate 1 Mount the manufacturer-specific connectors (which are connected to the network cabling) on the manufacturer-specific wall plate. 2 Mount the manufacturer-specific wall plate t...

User Guide 10 2b. Mounting the NJ95 Main unit to the wall plate Figure 6a: Mounting the NJ95 Main unit to the Universal Wall plate davinci_gde.book Page 10 Thursday, December 26, 2002 4:52 PM

3. Installing the NJ95 Network Jack 11 Figure 6b: Mounting the NJ95 to the Manufacturer-specific Wall plate 1 Groove for RJ-45 Jack release Insert a pin through the groove to release the RJ-45 plug 2 Screw Tab Used to align and retain the main unit to the wall plate 3 Slots for Alignment Tabs Align ...

User Guide 12 1 Connect the main unit RJ-45 plug into the female RJ-45 connector at the end of the wiring closet cable/coupler cable (Universal wall plate) or align it with the right most RJ-45 connector (Manufacturer-specific wall plate). 2 Align the Screw Tab (Item #2) with the opening in the main...

3. Installing the NJ95 Network Jack 13 1 Screw in the Retaining Screw (Item #1) 2 Secure the Main Latch Fastener (Item #2) 1 Retaining Screw Retain the Main unit to the Wall plate 2 Main Latch Fastener Locks in the Main latch NOTE: Make sure the vents along the edges of the NJ95 faceplate are clear ...

User Guide 14 3. Set up the power supply Selecting the power scheme and installing it: See Appendix C: Setting up the Power Supply (p 23). You can verify the NJ95 Network Jack Installation by checking the LEDs. LED Description (LAN) ■ On—The NJ95 is connected to the network and a link has been estab...

4. Un-Installing the NJ95 Network Jack 17 Figure 9b: Removing the NJ95 from the Manufacturer-specific Wall plate 3 Insert a pin (paper clip) along the groove (Item #1) to release the RJ-45 plug. 4 Pull the Main unit away from the Wall plate. davinci_gde.book Page 17 Thursday, December 26, 2002 4:52 ...

Appendix A: Detail Description of NJ95 19 Appendix A: Detail Description of NJ95 The NJ95 is a 4-port, un-managed Fast Ethernet switch that fits into most standard data port openings. The NJ95 allows up to four networking devices, such as computers, printers, Voice over IP (VoIP) telephones, and sca...

User Guide 20 ■ Local Power Supply : Locally via an optional local power supply. See “Using the 3Com Local Power Supply” on page 28. Connecting Devices to the NJ95 After the NJ95 is installed, connect your networking devices (such as computers, printers, etc.) to any of the four switched ports on th...

Appendix B: Wall Plate Dimensions 21 Appendix B: Wall Plate Dimensions Make sure the wall or cubicle opening where the NJ95 is being installed complies with the relevant standard, as described below. British Standard Institute (BSI) – BS 4664:1970 Figure 10: Wall Plate Dimensions - Two hole davinci_...

Appendix C: Setting up the Power Supply 23 Appendix C: Setting up the Power Supply Power to the NJ95 can be supplied one of the following ways: ■ Over the network via an integrated switch that supports Power Over Ethernet. ■ Over the network via a multi-port Ethernet power supply. ■ Over the network...

User Guide 24 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. Figure 12: Using an Integrated Switch with Power over Ethernet davinci_gde.book Page 24 Thursday, December 26, 2002 4:52 ...

Appendix C: Setting up the Power Supply 25 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 13. The multi-port Ethernet power supply from 3Com connects to an existing Ethernet or Fast Ethernet in...

Appendix C: Setting up the Power Supply 27 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 NJ95, as shown in figure 14. See “Obtaining Optional Components” in Appendix E for ordering information. F...

User Guide 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 Ethernet power supply, you must purchase a local power supply from 3Com (see “Obtaining Optional Components” in Appendix E). To use the local powe...

Appendix D: Specifications 31 Appendix D: Specifications Hardware NJ95 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-TX Ethernet IEEE 802.3u industry standa...

User Guide 32 Performance Auto-negotiation Communication speed (10 Mbps or 100 Mbps) and duplex mode (full or half) is determined through auto-negotiation with the attached devices. The NJ95 attempts to negotiate the fastest connection possible (100 Mbps full-duplex). Environment Operating temperatu...

Appendix D: Specifications 33 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 VoIP standard. davinci_gde.book Page 33 Thursday, December 26, 2002 4:52 PM

Appendix E: Obtaining Optional Components 35 Appendix E: Obtaining Optional Components The NJ95 works with the following optional components. Updated information is available online at www.3com.com/products. Component Purpose 3C Number(s) Wall plates For installing manufacturer specific connectors a...

Appendix F: Setting up the Network Cabling at Your Site 37 Appendix F: 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. ...

Appendix G: Troubleshooting the NJ95 39 Appendix G: Troubleshooting the NJ95 If you encounter problems with the NJ95: ■ Verify the NJ95 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 syste...

User Guide 40 ■ Verify that the DIP Switch settings are all set to OFF: davinci_gde.book Page 40 Thursday, December 26, 2002 4:52 PM

Appendix H: Contacting Technical Support 41 Appendix H: 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 publication. For the most ...

User Guide 42 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, ...

Appendix H: Contacting Technical Support 43 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, hardwa...

Appendix H: Contacting Technical Support 45 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 obt...

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 ® NJ95 H ARDWARE ...

Limited Warranty and Regulatory Compliance Information FCC Compliance This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including int...

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 , 5400 Bayfront Plaza, P.O. Box 58145, Santa Clara, CA 95052-8145 09-2264-000 davinci_gde.book Page 52 Thursda...