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User Guide
3Com IntelliJack Switch NJ240FX
http://www.3com.com/
http://esupport.3com.com
Published March 2005
User Guide version 1.0
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3Com Corporation 350 Campus Drive Marlborough, Massachusetts 01752 U.S.A. Copyright © 2005 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
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CONTENTS INSTALLING THE NJ240FX About the NJ240FX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Before You Begin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Mounting the IntelliJack. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 C
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Advanced Settings Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Event Alerts 802.1X Settings System Log Settings Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Changing Device Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 General Configuration Tab . .
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INSTALLING THE NJ240FX 1 INTELLIJACK The 3Com NJ240FX IntelliJack is a 4-port, managed Ethernet switch that fits into any standard electrical wall outlet or data port opening. It brings switching capabilities for up to four networking devices, such as computer, printers, and Voice Over IP (VoIP) telephones to a single fiber uplink to the network. All ports feature 10/100 Mbps auto-negotiation. Power to the IntelliJack is provided through a power supply internal to the unit.
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2 CHAPTER 1: INSTALLING THE NJ240FX INTELLIJACK You can manage the NJ240FX using the included Central Configuration Manager. You can also use a supported SNMP management console as you would with any managed device on your network, but greater management and control is available through the Configuration Manager software. Management features include: • Device discovery • Port status (state, duplex, speed) • Statistics • Port control (port state, flow control, AutoMDI(X), frame rate limit) •
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About the NJ240FX 3 About the NJ240FX The following diagram shows the front and rear views of the IntelliJack: 1 RJ-45 switched PAN Four 10/100 Mbps auto-negotiation ports, which the (personal area IntelliJack configures for 10 Mbps or 100 Mbps connections network) ports automatically. 2 Port LEDs and Indicate network link status of each of the four RJ-45 PAN corresponding port ports. numbers 3 LAN LED Indicates the link status of the LAN connection (fiber uplink). For more information, see
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4 CHAPTER 1: INSTALLING THE NJ240FX INTELLIJACK Before You Begin Before you begin installation, register your product at: http://eSupport.3com.com. The IntelliJack is available in three connector types: -LC (3CRNJ240FXLCTAA-75), -SC (3CRNJ240FXSCTAA-75), and -ST (3CRNJ240FXSTTAA-75). Before you begin the installation, familiarize yourself with the following items, which are included with the IntelliJack: • NJ240FX IntelliJack. • Mounting plate • Plastic cable housing tray • Power cord • Thre
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Mounting the IntelliJack 5 Setting up the Power Power to the IntelliJack Switch NJ240FX is provided via AC power. It has an Supply internal power supply that can accept 100~240V AC power. A power connector is supplied that can be securely plugged into the unit. CAUTION: The supplied AC power cable is the only approved power cord that can be used with the unit and is required to maintain proper strain relief of the assembly and AC power cord. Mounting the Before connecting the IntelliJack t
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6 CHAPTER 1: INSTALLING THE NJ240FX INTELLIJACK 2 Remove any shipping tape from the unit and separate the metal plate from the main unit. Separate the plastic housing cable tray from the main unit by sliding it downward towards the four downstream ports and then away from the main unit. 3 Route the two fiber cables through the rectangular opening directly above the UP arrow indicator from the backside of the metal mounting plate (side opposite the metal mounting post). Pull through enough
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Mounting the IntelliJack 7 8 Reassemble the plastic cable tray to the main housing in the reverse order from step 2. NOTE: Care should be taken when reassembling the plastic cable tray to the main housing so as not to damage the four installation guide hooks. 9 If the pass-thru feature is required, route the existing female RJ45 connector and cable through the same rectangular opening in the metal mounting plate. Again ensure you have allowed yourself enough room to terminate the connection
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8 CHAPTER 1: INSTALLING THE NJ240FX INTELLIJACK 13 Align the main housing mounting hole with the metal mounting boss on the metal mounting plate and secure with the supplied long oval head machine screw. NOTE: An access hole is provided for installations that require the supplied AC power cord to be routed back into the NEMA box. Place the AC power cord between the metal and plastic housing cable tray and route through the lower rectangular opening in the metal mounting plate. Adjust cable
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Checking the LEDs 9 Checking the LEDs You can verify the NJ240FX installation by checking the LEDs. LED Description n On—the IntelliJack is connected to the network and a link has been established. n Off—there is no connection to the network. (LAN) n On—the IntelliJack switch is receiving power. When you first connect power to the IntelliJack, there is a delay of approximately 5 seconds. The power LED light blinks once or twice before remaining solid on. (Power) n Off—the IntelliJack is not
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10 CHAPTER 1: INSTALLING THE NJ240FX INTELLIJACK
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INSTALLING THE 2 CONFIGURATION MANAGERS Once you have installed the NJ240FX hardware, you need to configure it for use on your particular network. To configure the NJ240FX, install the Local and Central Configuration managers. NOTE: You will use the Local Configuration Manager for initial configuration of the NJ240FX on your network. It’s usually easiest if you load this software on a laptop and use it to configure IntelliJacks as you install them. The NJ240FX Central Configuration Manager
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12 CHAPTER 2: INSTALLING THE CONFIGURATION MANAGERS Installing the Local Run the following steps to install the Configuration Manager software: and Central Configuration Managers 1 Insert the NJ240FX CD into your Windows 2000, Windows XP Pro, or Windows NT computer. 2 If your computer is configured to Auto-Play CDs, the installation will start automatically. If not, double-click the setup.exe icon on the CD. 3 Click Next to continue. 4 Carefully read the license agreement. If you agree, sele
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USING THE 3 LOCAL CONFIGURATION MANAGER Initializing the Once you have installed the NJ240FX hardware on your network and the Local IntelliJack Configuration Manager software on your computer, you need to perform an initial configuration of the IntelliJack. 1 The first step is to connect your computer to the NJ240FX that you are installing. Attach an Ethernet cable from a computer running the Local Configuration Manager software to any one of the four personal area network (PAN) ports on t
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14 CHAPTER 3: USING THE LOCAL CONFIGURATION MANAGER application. If this computer has more than one network interface, it may be necessary to specify the correct interface number. You can use the Windows IPCONFIG DOS command to assist you in determining the correct interface number. 6 Click OK, and you will see this window: 7 The MAC address, Serial Number, and Firmware Version of the currently connected NJ240FX will appear at the top of the window. If you connect to another NJ240FX, you m
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Setting Advanced Options 15 the IP Address, Subnet Mask, and Default Gateway information in the appropriate fields. NOTE: By default, the NJ240FX is configured to automatically obtain an IP address from a DHCP server. If no DHCP server exists, or if the NJ240FX cannot obtain an IP address, it will default back to its previously configured static IP address. If it had previously been assigned an IP address, it will default to that one. If it did not, it will default to the static IP addre
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16 CHAPTER 3: USING THE LOCAL CONFIGURATION MANAGER 1 Select the Advanced tab on the IntelliJack Local Configuration Manager window. 2 To change the IntelliJack’s configuration password, click on the box next to Change Password. Then enter the new password in both password fields. (You must enter the password twice to ensure you type it correctly.) The password you select can be any combination of letters and numbers between 8 and 32 characters. 3 To configure the NJ240FX for management with
