3Com NJ220 manual Your 3COM Products

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B	OBTAINING SUPPORT FOR
	YOUR 3COM PRODUCTS

	3Com offers product registration, case management, and repair services
	through eSupport.3com.com. You must have a user name and password
	to access these services, which are described in this appendix.

Register Your	To take advantage of warranty and other service benefits, you must first
Product to Gain	register your product at:
Service Benefits	http://eSupport.3com.com/
	http://eSupport.3com.com/
	3Com eSupport services are based on accounts that are created or that
	you are authorized to access.

Solve Problems Online

3Com offers the following support tool:

■3Com Knowledgebase — Helps you to troubleshoot 3Com products. This query-based interactive tool is located at:

http://knowledgebase.3com.com

It contains thousands of technical solutions written by 3Com support engineers.

Purchase Extended	To enhance response times or extend your warranty benefits, you can
Warranty and	purchase value-added services such as 24x7 telephone technical support,
Professional	software upgrades, onsite assistance, or advanced hardware
Services	replacement.

Experienced engineers are available to manage your installation with minimal disruption to your network. Expert assessment and implementation services are offered to fill resource gaps and ensure the

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Contents 3Com IntelliJack Switch NJ220 01752-3064 3Com CorporationCampus Drive Marlborough, MAContents Troubleshooting the NJ220 Installing the NJ220 Intellijack Using a particular port Following diagram shows the back view of the IntelliJack Component Purpose 3C Numbers Before You BeginInstalling Supply Using an Integrated Switch with Power Over EthernetUsing a Multi-port Ethernet Power Supply Using the 3Com Local Power Supply Using a Single-port Ethernet Power SupplyInstalling the NJ220 Intellijack Commercial Building Telecommunications Cabling Standard Installing the NJ220 Intellijack Installing the IntelliJack Installing the NJ220 Intellijack Description Connecting Devices toIntelliJack Checking the LEDsInstalling the NJ220 Intellijack Installing Configuration Managers Installing the Configuration Managers Installing the Local and Central Configuration Managers Installing the Configuration Managers Installing the Local and Central Configuration Managers Installing the Configuration Managers Installing the Web Http//java.sun.com Http//YourServerIPAddress8080/3ComIJNJ/main/index.jsp Installing the Configuration Managers Using Local Configuration Manager Using the Local Configuration Manager Setting Advanced Using the Local Configuration Manager Using Central Configuration Manager Using the Central Configuration Manager Discovering NJ220 Devices on Your Network Using the Central Configuration Manager Viewing Device Port Information General TabProduct Information Hardware Settings Viewing Device Properties Using the Central Configuration Manager Statistics Log Snmp Settings Advanced Settings Alert Level Notifying Event Changing Device Identification Settings General ConfigurationChanging Device Configuration Port Based Settings Priority & Vlan ConfigurationOther Priority & Vlan Settings Using the Central Configuration Manager 802.1X Security ConfigurationPassword Using the Central Configuration Manager Changing Device Configuration Snmp Configuration Event Alert Levels Advanced ConfigurationPort Based Controls Priority Option Multiplier Rate limiting option Restoring Default ValuesGlobal Setting Default Value Port Setting Default Value Changing Device Configuration Using the Central Configuration Manager Finding Computers Upgrading the NJ220 Upgrading the NJ220 Firmware Using the Central Configuration Manager Upgrading the NJ220 Firmware Using the Central Configuration Manager Troubleshooting the NJ220 Troubleshooting the NJ220 Your 3COM Products Access Software Asia, Pacific Rim Telephone Technical Support and Repair Country Telephone NumberUS and Canada Telephone Technical Support and Repair Contract requests emeacontract@3com.comPerformance HardwareNetwork Interface Standards Conformance FeaturesMIB Support EnvironmentFfffffffffff Rmon CountersCollisions are not included but are counted in the Excessive Page Product Specifications Regulatory Information Japan Vcci Compliance