Front Panel, Reset button, LED Indicator | D-Link DES-1252 specs

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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D-Link DES-1252 user manual Front Panel, Reset button, LED Indicator, 10/100 BASE-TX Twisted Pair Ports Port 1~48

Contents

DES-1252 Table of Contents Page Iii Page Purpose Terms/Usage Gigabit Ethernet Technology Introduction Switching Technology Fast Ethernet Technology Features IEEE802.1X Port-based Access Control Forwarding Mode Technical SpecificationsKey Components / Performance Switching Capacity Max. Forwarding Rate Port Functions Sdram for CPUFlash Memory Combo ports Temperature Chassis DimensionsReset button on 1000Mbps Copper Emission EMI and Safety Certifications Storage TemperaturePower consumption Humidity Installation Unpacking Rack Mounting Attach the adhesive rubber pads to the bottom Connecting Network Cable Attach the mounting brackets to the Switch AC Power Front Panel Reset buttonLED Indicator 10/100 BASE-TX Twisted Pair Ports Port 1~48 AC 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 browsers SmartConsole Utility Features Menu Toolbar Option includes Refresh Time and Group Interval functions Definitions of the Discovery List features Discovery List Monitor List Definitions of the Monitor List functions and terms View trap Device Setting This space has been intentionally reserved for notes Firmware Upgrade Login Web-based Management Log in screen Tool Menu Tool Menu Setup Menu Tool Menu Firmware Backup and Upload System System Setting C P System Trap Setting System System Setting System Port Setting System Trap Setting System Port Setting System Snmp Setting System Snmp Setting System Password Access Control Configuration 802.1Q Vlan Configuration 802.1Q Vlan Default Setting Configuration 802.1Q Vlan Add VID Configuration Trunking Configuration 802.1Q Vlan VID Assignments Configuration Igmp Snooping Configuration Igmp Snooping ConfigurationPage Page Configuration 802.1D Spanning Tree Configuration Igmp Router port Settings Configuration Spanning Tree Page Configuration Port Mirroring Configuration Port Mirroring QoS 802.1p Default Priority Security Safeguard Engine Security 802.1X Setting Security Broadcast Storm Control Security 802.1X Setting Page Security Mac Address Table Static Mac Security Static Mac Address Security Mac Address Table Dynamic Forwarding Table Monitoring Statistics Monitoring Statistics Monitoring Port Statistics