User Guide
3CNJ220
3Com IntelliJack Switch NJ220
3Com Corporation
350 Campus Drive
Marlborough, MA
01752-3064
CONTENTS
INSTALLING THE NJ220 INTELLIJACK
INSTALLING THE CONFIGURATION MANAGERS
USING THE LOCAL CONFIGURATION MANAGER
TROUBLESHOOTING THE NJ220
PRODUCT SPECIFICATIONS WARRANTY AND REGULATORY INFORMATION
802.1X Settings
Identification Settings Hardware Settings
INSTALLING THE NJ220 INTELLIJACK
Locally via an optional local power supply
Firmware upgrade Rate limiting
Device discovery Port status state, duplex, speed Statistics
Port-based “calendar” function
User-configured VLAN IDs for management packets
MAC filtering 802.1x port security
The following diagram shows the back view of the IntelliJack
Indicates power status
Power socket
Can be used to power the IntelliJack with a local power
Before You Begin
IntelliJack
Installing the
Installing the IntelliJack consists of the following steps
NOTE For a list of power supplies that support the IntelliJack, go to
Using an Integrated Switch with Power Over Ethernet
Using a Multi-port Ethernet Power Supply
Supply
Installing the IntelliJack
Using a Single-port Ethernet Power Supply
Using the 3Com Local Power Supply
2 Thread the network cables through the empty slot on the IntelliJack
n ANSI/TIA/EIA-568
Commercial Building Telecommunications Cabling Standard
general guidelines
If the end of the cable is terminated with a male connector, connect the network cable directly into the Ethernet uplink port
2 Securely mount the IntelliJack on a wall
5 Plug the local power supply into the power source
Connecting Devices to
You can verify the IntelliJack installation by checking the LEDs
the IntelliJack
14 CHAPTER 1 INSTALLING THE NJ220 INTELLIJACK
INSTALLING THE 2 CONFIGURATION MANAGERS
Configuration Managers
16 CHAPTER 2 INSTALLING THE CONFIGURATION MANAGERS
3 Click Next to continue
Installing the Local and Central Configuration Managers
18 CHAPTER 2 INSTALLING THE CONFIGURATION MANAGERS
Installing the Local and Central Configuration Managers
9 Review the settings you selected and click the Install button
20 CHAPTER 2 INSTALLING THE CONFIGURATION MANAGERS
Manager
Installing the Web
Configuration
NOTE Make a note of the directory in which you install the JDK
NOTE Make a note of the directory in which you install this program
http//java.sun.com
http//jakarta.apache.org/site/binindex.cgi
http//YourServerIPAddress8080/3ComIJNJ/main/index.jsp
24 CHAPTER 2 INSTALLING THE CONFIGURATION MANAGERS
USING THE 3 LOCAL CONFIGURATION MANAGER
26 CHAPTER 3 USING THE LOCAL CONFIGURATION MANAGER
Setting Advanced
Options
28 CHAPTER 3 USING THE LOCAL CONFIGURATION MANAGER
USING THE 4 CENTRAL CONFIGURATION MANAGER
Discovering NJ220
Devices on Your
Network
NOTE The default subnets are the ones your machine is connected to
30 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
Fill in the Subnet and Mask fields and click OK or
32 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
Viewing Device
Properties
Port Information
34 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
General Tab
Product Information
Hardware Settings
36 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
9 Click the ATU Table button to make changes to the NJ220’s ATU table. The screen you see allows you to display all MAC addresses that have been plugged into that IntelliJack or just the ones that you have “locked down” to it. You can refresh the list, add MAC addresses to it, edit existing ones or delete entries in the ATU table
38 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
Statistics Log
SNMP Settings
Advanced Settings
19 Click Exit to close the Device Property window
Configuration
feature
Changing Device Configuration
Changing Device
General Configuration
3 Make sure the General Configuration tab is selected
Identification Settings
Hardware Settings
Changing Device Configuration
46 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
Priority & VLAN Configuration
Port Based Settings
Other Priority & VLAN Settings
48 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
802.1X
Security Configuration
Password
Ethernet switch no 802.1X control applies
Page
SNMP Configuration
52 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
Advanced Configuration
Event Alert Levels
54 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
Port Based Controls
Restoring Default Values
Global Setting
Default Value
Priority Option
Group Name Location Name Password IP Address DHCP Settings
41 When you are finished entering the configuration changes to your NJ220 IntelliJack, click the OK button and a Configuration Progress dialog box will appear. If you don’t want to apply the changes you made, click Exit to discard those changes and exit the window
58 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
Devices
Finding Computers
Connected to NJ220
Upgrading the NJ220
Firmware
6 Click Next and a window like this will appear
Upgrading the NJ220 Firmware
62 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
Viewing Log Files The Central Configuration Manager creates a log file with details of the firmware upgrades, configuration operations, and alert messages from the IntelliJack. This file is in the Central Configurator\Log subdirectory under the directory where you installed the IntelliJack configuration software. You can the log by selecting Log History from the View menu. A window like this will appear
Upgrades you have scheduled, follow these steps
64 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER
Troubleshooting the NJ220
Troubleshooting Matrix
Troubleshooting the NJ220
Solution
Event/Message
Description
Service Benefits
Solve Problems Online
Warranty and
Services
Access Software
Downloads
Contact Us
Telephone Technical
Product model name, part number, and serial number
Country
Telephone Number
Country
Telephone Number
Product Specifications
Hardware
Network Interface
Performance
Product Specifications
Features
MIB Support
Environment
RMON Counters
Product Specifications
delayed because the medium is busy during the first attempt
Single
Total number of successfully transmitted frames that
experienced exactly one collision
Product Specifications
REGULATORY INFORMATION
JAPAN VCCI COMPLIANCE
Translation
