D-Link DES-1252 user manual Ports 1 ~ 48 Status LEDs Link/Act

Page 21

CPU LEDs ( Management Indicator)

Blinking	When the CPU is working, the CPU LED is blinking.

Off	The CPU is idle.

Ports 1 ~ 48 Status LEDs

Link/Act

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

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

Off	No link.

Option Ports 49~50 10/100/1000 Base-T / Mini-GBIC Status LEDs Link/Act for Mini GBIC Ports

On	When the FX Link LED light is on, the respective port is
	connected to a 100 or 1000Mbps Gigabit Ethernet
	network.

Off	No link.

16

Image 21

Contents DES-1252 Table of Contents Page Iii Page Terms/Usage PurposeIntroduction Gigabit Ethernet TechnologyFast Ethernet Technology Switching TechnologyIEEE802.1X Port-based Access Control FeaturesKey Components / Performance Switching Capacity Technical SpecificationsForwarding Mode Max. Forwarding RateFlash Memory Sdram for CPUPort Functions Combo portsReset button on Chassis DimensionsTemperature 1000Mbps CopperPower consumption Storage TemperatureEmission EMI and Safety Certifications HumidityUnpacking InstallationAttach the adhesive rubber pads to the bottom Rack MountingAttach the mounting brackets to the Switch Connecting Network CableAC Power LED Indicator Reset buttonFront Panel 10/100 BASE-TX Twisted Pair Ports Port 1~48AC Power Connector Rear Panel10/100/1000 BASE-T Twisted Pair Ports Port 51~52 Understanding LED Indicators Power and System LEDsPower LEDs Ports 1 ~ 48 Status LEDs Link/Act Link/Act for UTP ports Ports 51~52 10/100/1000 Base-T LEDs Link/Act10/100Mbps shown in Amber Light Page Supported web browsers Installing the SmartConsole UtilityMenu Toolbar SmartConsole Utility FeaturesOption includes Refresh Time and Group Interval functions Discovery List Definitions of the Discovery List featuresDefinitions of the Monitor List functions and terms Monitor ListView trap This space has been intentionally reserved for notes Device SettingFirmware Upgrade Web-based Management LoginLog in screen Tool Menu Tool MenuTool Menu Firmware Backup and Upload Setup MenuC P System System SettingSystem System Setting System Trap SettingSystem Trap Setting System Port SettingSystem Port Setting System Snmp Setting System Snmp Setting Configuration 802.1Q Vlan System Password Access ControlConfiguration 802.1Q Vlan Default Setting Configuration 802.1Q Vlan Add VID Configuration 802.1Q Vlan VID Assignments Configuration TrunkingConfiguration Igmp Snooping Configuration Configuration Igmp SnoopingPage Page Configuration Igmp Router port Settings Configuration 802.1D Spanning TreeConfiguration Spanning Tree Page Configuration Port Mirroring Configuration Port MirroringSecurity Safeguard Engine QoS 802.1p Default PrioritySecurity Broadcast Storm Control Security 802.1X SettingSecurity 802.1X Setting Page Security Static Mac Address Security Mac Address Table Static MacMonitoring Statistics Security Mac Address Table Dynamic Forwarding TableMonitoring Statistics Monitoring Port Statistics