D-Link DES-1252 user manual Link/Act for UTP ports, Ports 51~52 10/100/1000 Base-T LEDs Link/Act

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Link/Act for UTP ports

On	When the Link/Act LED light is on, the respective port is
	connected to a 10/100 or 1000MBps Ethernet network.
	When the port speed is 1000Mbps, this LED will be
	shown in Green light. Otherwise, it will be shown in
	Amber light.

Blinking	When the LED is blinking, the respective port is
	transmitting or receiving data on a network.

Off	No link.

Ports 51~52 10/100/1000 Base-T LEDs

Link/Act

On	When the Link/Act LED light is on, the respective port is
	successfully connected to a 1000Mbps Gigabit Ethernet
	network.

Blinking	When the Link/Act LED is blinking, the port is
	transmitting or receiving data on the Ethernet network.

Off	No link.

10/100Mbps (shown in Amber Light)

On

When the Link/Act LED light is on, the respective port is successfully connected to an Ethernet network.

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Contents DES-1252 Table of Contents Page Iii Page Purpose Terms/UsageGigabit Ethernet Technology IntroductionSwitching Technology Fast Ethernet TechnologyFeatures IEEE802.1X Port-based Access ControlForwarding Mode Technical SpecificationsKey Components / Performance Switching Capacity Max. Forwarding RatePort Functions Sdram for CPUFlash Memory Combo portsTemperature Chassis DimensionsReset button on 1000Mbps CopperEmission EMI and Safety Certifications Storage TemperaturePower consumption HumidityInstallation UnpackingRack Mounting Attach the adhesive rubber pads to the bottomConnecting Network Cable Attach the mounting brackets to the SwitchAC Power Front Panel Reset buttonLED Indicator 10/100 BASE-TX Twisted Pair Ports Port 1~48Rear Panel AC Power Connector10/100/1000 BASE-T Twisted Pair Ports Port 51~52 Power and System LEDs Understanding LED IndicatorsPower LEDs Ports 1 ~ 48 Status LEDs Link/Act Ports 51~52 10/100/1000 Base-T LEDs Link/Act Link/Act for UTP ports10/100Mbps shown in Amber Light Page Installing the SmartConsole Utility Supported web browsersSmartConsole Utility Features Menu ToolbarOption includes Refresh Time and Group Interval functions Definitions of the Discovery List features Discovery ListMonitor List Definitions of the Monitor List functions and termsView trap Device Setting This space has been intentionally reserved for notesFirmware Upgrade Login Web-based ManagementLog in screen Tool Menu Tool MenuSetup Menu Tool Menu Firmware Backup and UploadSystem System Setting C PSystem Trap Setting System System SettingSystem Port Setting System Trap SettingSystem Port Setting System Snmp Setting System Snmp Setting System Password Access Control Configuration 802.1Q VlanConfiguration 802.1Q Vlan Default Setting Configuration 802.1Q Vlan Add VID Configuration Trunking Configuration 802.1Q Vlan VID AssignmentsConfiguration Igmp Snooping Configuration Igmp Snooping ConfigurationPage Page Configuration 802.1D Spanning Tree Configuration Igmp Router port SettingsConfiguration Spanning Tree Page Configuration Port Mirroring Configuration Port MirroringQoS 802.1p Default Priority Security Safeguard EngineSecurity 802.1X Setting Security Broadcast Storm ControlSecurity 802.1X Setting Page Security Mac Address Table Static Mac Security Static Mac AddressSecurity Mac Address Table Dynamic Forwarding Table Monitoring StatisticsMonitoring Statistics Monitoring Port Statistics