1000Mbps Copper, Ports in the front, Panel | D-Link DES-1252

1.DEM-330T (TX-1550/RX-1310nm), up to 10km, Single-Mode

2.DEM-330R (TX-1310/RX-1550nm), up to 10km, Single-Mode

3.DEM-331T (TX-1550/RX-1310nm), up to 40km, Single-Mode

4.DEM-331R (TX-1310/RX-1550nm), up to 40km, Single-Mode

21000Base-T ports

	1000Mbps Copper	1000Base-T ports compliant to following
	1000Mbps Copper	standards:
	ports in the front	standards:
	ports in the front	1.	IEEE 802.3 compliance
	panel	1.	IEEE 802.3 compliance
	panel	2.	IEEE 802.3u compliance
		2.	IEEE 802.3u compliance
		3.	IEEE 802.3ab compliance
		4. Support Full-Duplex operations

	Chassis

	Dimensions	19-inch, 1U Rack-mount size
	Dimensions	440mm x 310mm x 44mm
		440mm x 310mm x 44mm

	Reset button on the	A factory reset button x 1
	front panel	A factory reset button x 1
	front panel

	Physical & Environment

	AC input	100~240 VAC, 50/60Hz
		Internal universal power supply

	Operation	0~40°C
	Temperature	0~40°C
	Temperature

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D-Link DES-1252 1000Mbps Copper, Ports in the front, Panel, Chassis Dimensions, Reset button on, Operation, Temperature

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 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