Understanding LED Indicators, Power LEDs | D-Link DES-1252 manual

connector, and the male into a power outlet. Supported input voltages range from 100-240V AC, and 50-60Hz.

Understanding LED Indicators

The front panel LEDs provides instant status feedback and simplifies monitoring and troubleshooting tasks.

Figure 6 – LED indicators of the Switch

Power and System LEDs

Power LEDs

On

Off

When the Power LED light is on, the Switch is receiving power.

When the Power LED light is off, the power cord is not improperly connected.

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D-Link DES-1252 user manual Understanding LED Indicators, Power and System LEDs, Power LEDs

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 Technical Specifications Key Components / Performance Switching CapacityForwarding Mode Max. Forwarding Rate Sdram for CPU Flash MemoryPort Functions Combo ports Chassis Dimensions Reset button onTemperature 1000Mbps Copper Storage Temperature Power consumptionEmission EMI and Safety Certifications 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 Reset button LED IndicatorFront Panel 10/100 BASE-TX Twisted Pair Ports Port 1~48 10/100/1000 BASE-T Twisted Pair Ports Port 51~52 AC Power ConnectorRear Panel Power LEDs Understanding LED IndicatorsPower and System LEDs Ports 1 ~ 48 Status LEDs Link/Act 10/100Mbps shown in Amber Light Link/Act for UTP portsPorts 51~52 10/100/1000 Base-T LEDs Link/Act 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