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D-Link DES-1252 user manual Link Status Reporting Down indicates the port is disconnected

Models: DES-1252

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Link Status: Reporting Down indicates the port is disconnected.

by clicking Apply. To refresh the information table to view the latest Link Status and Priority, press the Refresh button.

Figure 25 – System > Port Setting

Speed: Gigabit Fiber connections can operate in Forced Mode settings (1000M Full), Auto, or Disable. Copper connections can operate in Forced Mode settings (100M Full, 100M Half, 10M Full, 10M Half), Auto, or Disable. The default setting for all ports is Auto. 100Base-FX Fiber supports 100M full/half force mode.

NOTE: Be sure to adjust port speed settings appropriately after changing connected cable media types.

Link Status: Reporting Down indicates the port is disconnected.

Priority: Displays each port’s 802.1p QoS priority level for received data packet handling. Default setting for all ports is Middle. You can change the priority settings in Qos > 802.1p Default Priority

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D-Link DES-1252 user manual Link Status Reporting Down indicates the port is disconnected

Contents

V1.00 DES-1252User Manual TABLE OF CONTENTS SmartConsole Utility Features Monitoring Statistics Page Purpose Terms/UsageABOUT THIS GUIDE INTRODUCTION Gigabit Ethernet TechnologyFast Ethernet Technology Switching TechnologyIEEE802.1X Port-based Access Control FeaturesMax. Forwarding Rate Technical SpecificationsSwitching Capacity Key Components / PerformanceCombo ports in the SDRAM for CPUFlash Memory Port Functions1000Mbps Copper DimensionsReset button on the TemperatureHumidity Storage TemperaturePower consumption Emission EMI and Safety CertificationsInstallation UNPACKING AND INSTALLATIONUnpacking Figure 1 - Attach the adhesive rubber pads to the bottom Rack MountingConnecting Network Cable Figure 2 - Attach the mounting brackets to the SwitchFigure 3 - Mount the Switch in the rack or chassis AC Power IDENTIFYING EXTERNAL COMPONENTS Reset buttonLED Indicator Front Panel10/100/1000 BASE-T Twisted Pair Ports Port 51~52 AC Power ConnectorRear Panel 10/100/1000 BASE-T / Mini GBIC Combo Ports Option Port 49~50Understanding 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 No link When the Link/Act LED is blinking, the respective portBlinking is transmitting or receiving data on the Ethernet networkInstalling the SmartConsole Utility CONFIGURATIONSupported web browsers SmartConsole Utility Features Menu ToolbarFile includes Monitor save, Monitor save as, Monitor load and Exit Option includes Refresh Time and Group Interval functions Discovery List Definitions of the Discovery List featuresDefinitions of the Monitor List functions and terms Monitor ListFigure 9 - Trap information Figure 8 - View trapThis space has been intentionally reserved for notes Device SettingFigure 13 - DHCP Refresh Figure 12 - Firmware UpgradeWeb-based Management LoginFigure 16 - Device Status Figure 15 - Log in screenFigure 17 - Tool Menu Tool MenuFigure 18 - Tool Menu Reset Figure 19 - Tool Menu Configure Backup and RestoreSetup Menu Figure 20 - Tool Menu Firmware Backup and UploadFigure 21 - Tool Menu System Reboot D H C P System System SettingFigure 23 - System System Setting System Trap SettingSystem Port Setting Link Status Reporting Down indicates the port is disconnected System SNMP Setting Figure 26 - System SNMP Setting System Password Access Control Configuration 802.1Q VLANFigure 27 - System Password Access Control Rename Click to rename the VLAN group Figure 290 - Configuration 802.1Q VLAN Example VIDs Figure 29 - Configuration 802.1Q VLAN Add VIDConfiguration Trunking Figure 301 - Configuration 802.1Q VLAN VID AssignmentsFigure 312 - Configuration Trunking Figure 323 - Configuration IGMP Snooping Configuration Configuration IGMP SnoopingPage Page Configuration 802.1D Spanning Tree Figure 334 - Configuration IGMP Router port SettingsFigure 345 - Configuration IGMP Multicast Entry Table Figure 356 - Configuration Spanning Tree Root Path Cost Shows the root path cost Bridge Priority This value between 0 and 65535 specifies theRoot Bridge Displays the MAC address of the Root Bridge Root port Displays the root portConfiguration Port Mirroring Security Safeguard Engine QoS 802.1p Default PrioritySecurity Broadcast Storm Control Security 802.1X SettingFigure 391 - Security 802.1X Setting Confirm Key Enter the Key a second time for confirmation Key Masked password matching the Radius Server KeyFigure 402 - Security Static Mac Address Security Mac Address Table Static MacMonitoring Statistics Security Mac Address Table Dynamic Forwarding TableRefresh To renew the details collected and displayed Figure 435 - Monitoring Port Statistics