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D-Link Systems, Inc. 17595 Mt. Herrmann Street Fountain Valley CA 92708 www.dlink.com 

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United States and other countries. Other trademarks or registered trademarks are the 

property of their respective owners. Visit www.dlink.com for more details.

DES-1252 Web Smart Fast Ethernet Switch

Physical Specifications

Dimension (WxDxH)

19-inch, 1U Rack-mount size

17.3in x 12.2in x 1.7in (439.4mm x 309.9mm x 43.9mm)

Weight

8.2 lbs (3.7 kg)

Warranty Information

Warranty

Limited Lifetime

1

Ordering Information

Part Number

Description

DES-1252

Web Smart 48 Port 10/100 Switch, 4 Gigabit Copper, 2 Combo SFP

DEM-310GT

100BASE-LX SFP/Module (up to 10km)

DEM-311GT

1000BASE-SX SFP/Module (up to 550m)

DEM-211

100BASE-FX Multi-Mode LC SFP Transceiver (up to 2km)

Web Smart 48-Port 10/100 Switch, 4 Gigabit Copper,  

 

2 Combo SFP

1

 Available only in the U.S.A and Canada.

  All references to speed are for comparison purposes only. Product specifications, size and shape are subject to change without notice, and actual product 

appearance may differ from that depicted herein. Specifications contained herein are based on Hardware version B3/B4.

 Hardware version A1

Summary of Contents for DES-1252 - Web Smart Switch

Page 1: ...work congestionduetoconstantnetworkbroadcasting Inaddition VLANs provide a means of securing each broadcast domain fromallothers ThispreventsusersononeVLANfromgaining access to resources on other network segments VLANs can be configured to segment departmental resources preventing one department from gaining access to secure resources in another department Asymmetric VLANs The Web Smart Switch als...

Page 2: ...reaming audio and video or other bandwidth hogs get through without creating extra network congestion This smart packet management also reduces the workload of other devices further down the line making your entire network function more efficiently 802 1x Authentication The DES 1252 utilizes 802 1x Authentication to provide a secure means to allow users to log onto your network When used in conjun...

Page 3: ... when Half Duplex mode SFP 2 combo 1000BASE T SFP ports IEEE 802 3ab compliance IEEE 802 3z compliance IEEE 802 3u compliance IEEE 802 3x Flow Control support for Full Duplex mode Back Pressure when Half Duplex mode Network Management In Out of Band HTTP SNMP v1 Port Mirroring Electrical Emission Summary AC input 100 240 VAC 50 60Hz Internal universal power supply Emissions FCC class A CE Class A ...

Page 4: ...43 9mm Weight 8 2 lbs 3 7 kg Warranty Information Warranty Limited Lifetime1 Ordering Information Part Number Description DES 1252 Web Smart 48 Port 10 100 Switch 4 Gigabit Copper 2 Combo SFP DEM 310GT 100BASE LX SFP Module up to 10km DEM 311GT 1000BASE SX SFP Module up to 550m DEM 211 100BASE FX Multi Mode LC SFP Transceiver up to 2km Web Smart 48 Port 10 100 Switch 4 Gigabit Copper 2 Combo SFP 1...

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