D-Link DES-1252 user manual Rack Mounting, Attach the adhesive rubber pads to the bottom

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Install the Switch in a site free from strong electromagnetic field generators (such as motors), vibration, dust, and direct exposure to sunlight.

Leave at least 10cm of space to the front and rear of the Switch for ventilation.

Install the Switch on a sturdy, level surface that can support its weight, or in an EIA standard-size equipment rack. For information on rack installation, see the next section, Rack Mounting.

When installing the Switch on a level surface, attach the rubber pads (feet) to the bottom. The rubber feet cushion the switch and helps protect the case from scratches.

Figure 1 – Attach the adhesive rubber pads to the bottom

Rack Mounting

The Switch can be mounted in an EIA standard-size, 19-inch rack or chassis, which can be placed in a wiring closet with other equipment. Attach the mounting brackets to both sides of the Switch (one on each side), and secure them with the provided screws.

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Contents DES-1252 Table of Contents Page Iii Page Terms/Usage PurposeIntroduction Gigabit Ethernet TechnologyFast Ethernet Technology Switching TechnologyIEEE802.1X Port-based Access Control FeaturesMax. Forwarding Rate Technical SpecificationsKey Components / Performance Switching Capacity Forwarding ModeCombo ports Sdram for CPUFlash Memory Port Functions1000Mbps Copper Chassis DimensionsReset button on TemperatureHumidity Storage TemperaturePower consumption Emission EMI and Safety CertificationsUnpacking InstallationAttach the adhesive rubber pads to the bottom Rack MountingAttach the mounting brackets to the Switch Connecting Network CableAC Power 10/100 BASE-TX Twisted Pair Ports Port 1~48 Reset buttonLED Indicator Front PanelAC 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