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NJ95
Network Jack
User Guide
3CNJ95
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davinci_gde.book Page 1 Thursday, December 26, 2002 4:52 PM User Guide NJ95 Network Jack 3CNJ95 4-port 10/100 Mbps Unmanaged Ethernet Switch http://www.3com.com/ http://www.3com.com/productreg 09-2264-000 Published October 2002
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davinci_gde.book Page 2 Thursday, December 26, 2002 4:52 PM 3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 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
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davinci_gde.book Page 3 Thursday, December 26, 2002 4:52 PM Contents 1. Package Contents 2 2. NJ95 Description 3 3. Installing the NJ95 Network Jack 5 4. Un-Installing the NJ95 Network Jack 15 Appendix A: Detail Description of NJ95 19 Appendix B: Wall Plate Dimensions 21 Appendix C: Setting up the Power Supply 23 Appendix D: Specifications 31 Appendix E: Obtaining Optional Components 35 Appendix F: Setting up the Network Cabling 37 Appendix G: Troubleshoo
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davinci_gde.book Page 4 Thursday, December 26, 2002 4:52 PM
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davinci_gde.book Page 1 Thursday, December 26, 2002 4:52 PM User Guide The 3Com® Network Jack is a platform that provides connectivity at the edge of the network infrastructure. The NJ95 Network Jack, is a member of this family of products. The NJ95 Network Jack is a 4-port, un-managed Fast Ethernet switch that fits into most standard data port openings. It has a modular design consisting of a “main unit” and a “wall plate”. The NJ95 Network Jack quadruples port connections where a
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davinci_gde.book Page 2 Thursday, December 26, 2002 4:52 PM User Guide 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 NJ95) – Screws on to the Outlet Box in the wall/raceway and on which the NJ95 Main Unit is mounted (Optional: Manufac
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davinci_gde.book Page 3 Thursday, December 26, 2002 4:52 PM 2. NJ95 Description 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 3
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davinci_gde.book Page 4 Thursday, December 26, 2002 4:52 PM User Guide 1 NJ95 Main Unit Allow up to four devices to be connected to the network. 2a Universal Wall Used to mount the main unit – pass through “wall Plate plate” and non manufacturer-specific. (Included) 2b Manufacturer- Used to Mount the Main Unit – Mount the Specific Wall Plate specific connectors on the Wall Plate. One of the connectors would serve to connect the switched (purchased ports to the Network. separately
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davinci_gde.book Page 5 Thursday, December 26, 2002 4:52 PM 3. Installing the NJ95 Network Jack 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 (Appendix C). 5
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davinci_gde.book Page 6 Thursday, December 26, 2002 4:52 PM User Guide 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 connector attached to the Network cable and thread it through the Universal wall plate (Fig. 3b). 6
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davinci_gde.book Page 7 Thursday, December 26, 2002 4:52 PM 3. Installing the NJ95 Network Jack Figure 3b: Installing the Universal Wall Plate (with Coupler Cable) 2 Mount the Universal wall plate to the Outlet box with the screws provided. 7
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davinci_gde.book Page 8 Thursday, December 26, 2002 4:52 PM User Guide 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 to the Outlet box with the screws provided. CAUTION: When the Wall plate is mounted, make sure there is enough space inside
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davinci_gde.book Page 9 Thursday, December 26, 2002 4:52 PM 3. Installing the NJ95 Network Jack 2a. Mount the NJ95 Main unit on the Universal or Manufacturer-specific wall plate. Figure 5: Rear view of NJ95 1 Ethernet Uplink port Connects the NJ95 to the network. Make sure the port on the network switch to which the NJ95 is connected is configured as a standard MDI port. 2 Screw Tab Guide Used to align and retain the Main unit to the Wall Plate 3 Main Latch Used to retain the Mai
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davinci_gde.book Page 10 Thursday, December 26, 2002 4:52 PM User Guide 2b. Mounting the NJ95 Main unit to the wall plate Figure 6a: Mounting the NJ95 Main unit to the Universal Wall plate 10
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davinci_gde.book Page 11 Thursday, December 26, 2002 4:52 PM 3. Installing the NJ95 Network Jack Figure 6b: Mounting the NJ95 to the Manufacturer-specific Wall plate 1 Groove for RJ-45 Insert a pin through the groove to release the RJ- Jack release 45 plug 2 Screw Tab Used to align and retain the main unit to the wall plate 3 Slots for Alignment Align tabs on main unit to the wall plate slots Tabs 11
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davinci_gde.book Page 12 Thursday, December 26, 2002 4:52 PM User Guide 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 unit. 3 Align the Alignment Tabs on the main unit with the slots (Item #3) in the Wall plate. 4 Snap the Main unit int
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davinci_gde.book Page 13 Thursday, December 26, 2002 4:52 PM 3. Installing the NJ95 Network Jack 1 Retaining Screw Retain the Main unit to the Wall plate 2 Main Latch Fastener Locks in the Main latch 1 Screw in the Retaining Screw (Item #1) 2 Secure the Main Latch Fastener (Item #2) NOTE: Make sure the vents along the edges of the NJ95 faceplate are clear of any obstructions. CAUTION: Make sure that you have sufficient clearance on all sides to access release points, retaining
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davinci_gde.book Page 14 Thursday, December 26, 2002 4:52 PM User Guide 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 On—The NJ95 is connected to the network and a link has been established. Off—There is no connection to the network. (LAN) On—The NJ95 is receiving power (local or via the network). O
