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DES-1250G
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Des 1250g 1
Manual 1
Fcc warning this equipment has been tested and found to comply with the limits for a class a digital device pursuant to part 15 of the fcc rules these limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment this equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with this user s guide may cause harmful interference to radio communications operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense 2
Information in this document is subject to change without notice 2004 d link computer corporation all rights reserved reproduction in any manner whatsoever without the written permission of d link computer corporation is strictly forbidden trademarks used in this text d link and the d link logo are trademarks of d link computer corporation microsoft and windows are registered trademarks of microsoft corporation other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products d link computer corporation disclaims any proprietary interest in trademarks and trade names other than its own 2
Ce mark warning this is a class a product in a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures 3
Table of content 3
Warnung dies ist ein produkt der klasse a im wohnbereich kann dieses produkt funkstoerungen verursachen in diesem fall kann vom benutzer verlangt werden angemessene massnahmen zu ergreifen precaución este es un producto de clase a en un entorno doméstico puede causar interferencias de radio en cuyo case puede requerirse al usuario para que adopte las medidas adecuadas attention ceci est un produit de classe a dans un environnement domestique ce produit pourrait causer des interférences radio auquel cas l utilisateur devrait prendre les mesures adéquates attenzione il presente prodotto appartiene alla classe a se utilizzato in ambiente domestico il prodotto può causare interferenze radio nel cui caso è possibile che l utente debba assumere provvedimenti adeguati vcci warning 3
About this guide 5
Congratulations on your purchase of the web smart 48 2g port 10 100 1000mbps sfp switch this device integrates 1000mbps gigabit ethernet 100mbps fast ethernet and 10mbps ethernet network capabilities in a highly flexible package 5
In this guide the term switch first letter upper case refers to your web smart 48 2g port 10 100 1000mbps switch and switch first letter lower case refers to other ethernet switches 5
Purpose 5
Terms usage 5
This guide discusses how to install your web smart 48 2g port 10 100 1000mbps sfp switch 5
Fast ethernet technology 6
Gigabit ethernet technology 6
Introduction 6
Switching technology 6
A vlan is a group of end stations that are not constrained by their physical location and can communicate as if a common broadcast domain a lan the primary utility of using vlan is to reduce latency and the need for routers by using faster switching instead other vlan utility includes 7
Cost reduction vlans can be used to create multiple broadcast domains thus eliminating the need of expensive routers port based or port group vlan is the common method of implementing a vlan and is the one supplied in the switch 7
Security security is increased with the reduction of opportunity in eavesdropping on a broadcast network because data will be switched to only those confidential users within the vlan 7
Vlan virtual local area network 7
10 100 1000mbps auto negotiation gigabit rj 45 ports 8
10 100mbps auto negotiation fast ethernet rj 45 ports 8
All rj 45 ports support auto mdi mdix so there is no need to use cross over cables or an up link port 8
Easy configuration via web browser 8
Easy setting via web management utility 8
Features 8
Full duplex transfer mode for 10 100 1000mbps rj45 ports 8
Half duplex transfer mode for 10 100mbps rj45 ports 8
Kbytes packet buffer 8
Mini gbic sfp ports share with the 2 gigabit copper ports 8
Standard 19 rack mount size 8
Store and forward switching scheme capability to support rate adaptation and ensure data integrity 8
Supports 802 q vlan 8
Supports back pressure flow control for half duplex mode ports 8
Supports ieee 802 x flow control for full duplex mode ports 8
Supports port base qos 8
Supports port mirroring 8
Supports port setting for speed disable flow control 8
Supports seven port base trunking group 8
Up to 8 k unicast addresses entities per device self learning and table aging 8
Connecting network cable 9
Installation 9
Rack mounting 9
Unpacking 9
Unpacking and installation 9
Ac power 10
Front panel 11
Identifying external components 11
Rear panel 11
Cpu management indicator 12
Figure 5 led indicators of the switch 12
Link act link activity 12
Ports 1 48 10 100m status leds 12
Ports 49 50 gigabit status leds 12
Power and system leds 12
Power power indicator 12
The front panel leds provide instant status feedback and help monitor and troubleshoot when needed 12
Understanding led indicators 12
Link act link activity 13
Ports 49 50 mini gbic status leds 13
Configuration 14
Discovery list 14
If your utility is old version please remove it and install v 1 or higher 14
Installing the web management utility 14
Mac address shows the device mac address ip address shows the current ip address of the device protocol version shows the version of the utility protocol product name shows the device product name system name shows the appointed device system name location shows where the device is located 14
Device setting 15
Monitor list 15
The factory default password is admin 16
Toolbar 16
Configuring the switch 17
Configuring setup setting 18
Figure 15 setup menu 18
Port settings 18
Setup menu 18
A vlan is a collection of switch ports that make up a single broadcast domain you can configure a vlan for a single switch or for multiple switches when you create a vlan you can control traffic flow and ease the administration of moves adds and changes on the network by eliminating the need to change physical cabling 19
Figure 16 port configuration 19
Vlan settings virtual local area network 19
Be sure that the selected trunk setting port connects to the device with a same vlan group 21
Device status 21
Figure 23 statistic 21
Figure 24 port statistics 21
For detailed packet information click on the id parameter as seen figure 24 21
Statistic 21
Backup setting 22
Set password 22
System setting 22
Trap setting 22
Logout 23
General 24
Performance 24
Physical and environmental 24
Technical specifications 24
For detailed warranty information applicable to products purchased outside the united states please contact the corresponding local d link office 26
International offices 28

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