3Com NJ220 manual

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Single	Total number of successfully transmitted frames that
	experienced exactly one collision.
Deferred	Total number of successfully transmitted frames that are
	delayed because the medium is busy during the first attempt.

75

Image 79

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 Using a Multi-port Ethernet Power Supply Using an Integrated Switch with Power Over EthernetSupply 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 Password Security Configuration802.1X Using the Central Configuration Manager Changing Device Configuration Snmp Configuration Event Alert Levels Advanced ConfigurationPort Based Controls Global Setting Default Value Restoring Default ValuesPriority Option Multiplier Rate limiting option 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.comNetwork Interface HardwarePerformance Standards Conformance FeaturesMIB Support EnvironmentFfffffffffff Rmon CountersCollisions are not included but are counted in the Excessive Page Product Specifications Regulatory Information Japan Vcci Compliance