D-Link DES-1252 user manual Front Panel, Reset button, LED Indicator

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IDENTIFYING EXTERNAL COMPONENTS

This chapter describes the front panel, rear panel, and LED indicators of the Switch.

Front Panel

The figure below shows the front panel of the Switch.

Figure 4 – Front panel of the 28-port Web-Smart Switch

Reset button:

The Reset button resets all configuration settings back to the factory default.

Note: Be sure to save or record any custom settings configured on the Switch before pressing the reset button. Resetting the Switch back to factory default settings will erase all custom configurations.

LED Indicator:

Comprehensive LED indicators display the status of the switch and the network (see the Understanding LED Indicators section).

10/100 BASE-TX Twisted Pair Ports (Port 1~48)

The DES-1252 is equipped with 48 Fast Ethernet twisted pair ports that are auto negotiable 10/100Mbps and also support auto

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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 1~48AC 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 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