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D-Link™

 DGS-1248T 

 
 

WebSmart 48-Port 10/100/10 4 

Combo SFP(Mini GBIC) Gigabit Switch   

 

 

Manual 

 

 

Second Edition

 

 

Building Networks for People

 

 

RECYCLABLE

 

 
 
 

Information in this document is subject to change without notice. 
© 2004 D-Link Computer Corporation. All rights reserved.

 

Summary of Contents for DGS-1248T - Switch

Page 1: ...t 10 100 1000Mbps 4 Combo SFP Mini GBIC Gigabit Switch Manual Second Edition Building Networks for People RECYCLABLE Information in this document is subject to change without notice 2004 D Link Comput...

Page 2: ...d 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 equ...

Page 3: ...n 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 interf rences ra...

Page 4: ...Unpacking and Installation 6 Unpacking 6 Installation 6 Rack Mounting 7 Connecting Network Cable 8 AC Power 8 Identifying External Components 9 Front Panel 9 LED Indicator 9 Reset 9 Rear Panel 10 Und...

Page 5: ...ork 22 Trunk Setting 24 Mirror Setting 25 Spanning Tree Setting 26 SNMP Setting 28 Jumbo Frame Setting 32 QoS Setting 32 Device Status 33 Statistics 34 System Setting 36 Trap Setting 37 Password Setti...

Page 6: ...rnet 100Mbps Fast Ethernet and 10Mbps Ethernet network capabilities in a highly flexible package Purpose This manual discusses how to install your 48 Port 10 100 1000Mbps Gigabit Web Smart Switch Term...

Page 7: ...more users use applications that generate more traffic Upgrading key components such as your backbone and servers to Gigabit Ethernet can greatly improve network response times as well as significant...

Page 8: ...10Mbps Ethernet environments it provides a straightforward upgrade and takes advantage of the existing investment in hardware software and personnel training Switching Technology Another approach to p...

Page 9: ...reduction of opportunity in eavesdropping on a broadcast network because data will be switched to only those confidential users within the VLAN Cost Reduction VLANs can be used to create multiple bro...

Page 10: ...ort mirroring Support Jumbo frame setting Supports IEEE 802 1D Spanning Tree protocol Support Simple Network Management Protocol SNMP Supports MIB for RFC1213 MIB II Private MIB Supports Port setting...

Page 11: ...ed please contact your local reseller for replacement Installation The site where you install the hub stack may greatly affect its performance When installing consider the following pointers Install t...

Page 12: ...m Rack Mounting The Switch can be mounted in an EIA standard size 19 inch rack which can be placed in a wiring closet with other equipment Attach the mounting brackets at the Switch s front panel one...

Page 13: ...ransform to MDI II or MDI X type so you can just make an easy connection that without worrying if you are using a standard or crossover RJ45 cable There are 4 additional SFP mini GBIC slots for option...

Page 14: ...air Ports Port 1 48 The DGS 1248T is equipped with fourty eight Gigabit twisted pair ports that are auto negotiable 10 100 1000Mbps and also support auto MDI MDIX crossover detection These ports can o...

Page 15: ...C Power Connector This is a three pronged connector that supports the power cord Plug in the female connector of the provided power cord into this connector and the male into a power outlet Supported...

Page 16: ...ng power Off When the Power turns off or the power cord has an improper connection CPU Management Indicator Blinking When the CPU is working the CPU LED is blinking On Off The CPU is not working Ports...

Page 17: ...st Ethernet network Off When the Speed LED lights off the respective port is connected to a 10Mbps Fast Ethernet network mini GBIC Port 45F 48F LEDs Link ACT On When the mini GBIC module is installed...

Page 18: ...nt utility 1 Insert the Utility CD in the CD ROM Drive 2 From the Start menu on the Windows desktop choose Run 3 In the Run dialog box type D Web Management Utility setup exe D depends where your CD R...

Page 19: ...ystem Name Shows the appointed device system name z Location Shows where the device is located z Trap IP Shows the IP where the Trap is to be sent z Subnet Mask Shows the Subnet Mask set of the device...

Page 20: ...to view the trap Figure 8 Figure 8 When the View Trap button is clicked a Trap Information window will pop up It will display the trap information including the Symbol Time Device IP and the Event occ...

Page 21: ...uration Setting window will pop up Figure 10 After filling in the data that you want to change you must fill in the password and press the Set button to process the data change immediately The default...

Page 22: ...ve As Monitor Load and Exit Monitor Save To record the settings of the Monitor List to the default settings so that when you open the Web Management Utility the next time it will automatically load th...

Page 23: ...o configure the Switch to enable its smart functions including Port Setting Speed Disable and Flow Control Virtual LAN Group setting VLAN Trunk Port Mirroring QoS SNMP Jumbo Frame System Setting Devic...

Page 24: ...of the Web Management Utility to settle the device on the Web Browser When the following dialog page appears enter the default password admin and press Login to enter the main configuration window Fi...

Page 25: ...QoS Setting Spanning Tree Setting SNMP Setting Jumbo Frame Setting Device Status Statistic System Settings Trap Setting Password Setting Backup Setting and Reset Setting as shown in the Main Menu scre...

Page 26: ...renew the posted information press the Refresh button The Link Status in the screen will display the connection speed and duplex mode otherwise this dialog box will display down when the port is disc...

Page 27: ...rt is set to forced mode the flow control will automatically be set to Disable Default Priority The Default Priority is specific the 802 1P QoS priority level to related port all of the received data...

Page 28: ...each port To save the VID group press Apply button To remove the selected VID group select the VID group and press Remove the VID button To modify the VID group setting select the VID group and chang...

Page 29: ...nk function enables the Switch to cascade two or more devices with larger bandwidths There are ten Trunking groups to be set and there are default ports in each member Click Enable to use the trunk fu...

Page 30: ...ce port from which to copy all packets and a sniffer port where those packets will be sent The selections of the sniffer mode are as follows TX transmit mode This mode will duplicate the data transmit...

Page 31: ...nt more frequently with every Hello packet BPDU packets are sent even if a BPDU packet was not received Therefore each link between bridges is sensitive to the status of the link Ultimately this diffe...

Page 32: ...dge Identifier it will become the Root Bridge The user may choose a time between 6 and 40 seconds The default value is 20 Bridge Hello Time The user may set the time interval between transmission of c...

Page 33: ...s and the protocol used to access this information over the network The Switch supports the SNMP versions 1 In SNMP v 1 user authentication is accomplished using community strings which function like...

Page 34: ...proprietary MIB may also be retrieved by specifying the MIB Object Identifier MIB values can be either read only or read write Enabled Disabled To selecting enable or disable SNMP function on the Swi...

Page 35: ...selected SNMP Community Group Figure 27 Delete SNMP Community group Modify Group To modify previously defined SNMP Community group click on the ID parameter to enter to the selected SNMP Community Gr...

Page 36: ...rap Set window will pop out you can fill in the community name and trap IP address of the remote management station that will serve as the SNMP host for the Switch and checked the events selection to...

Page 37: ...onfigure its community name IP address and events Press Apply to save change of the SNMP Trap Figure 32 Modify SNMP Trap Jumbo Frame Setting To enable or disable the Jumbo Frame function on the Switch...

Page 38: ...on the Status button to display the device status on this screen It will display the System Status Port Status VLAN Status Trunk Status and Mirror Status Press Refresh when you need to renew the poste...

Page 39: ...34 Statistics The Statistics Menu screen will show the status of each port packet count Figure 36 For detailed packet information click on the ID parameter as in Figure 37...

Page 40: ...35 Figure 37 Port Statistic...

Page 41: ...you can easily recognize the device by using the System Name and the Location Name The Login Timeout is to set the idle time out for security issues When there is no action in running the Web Smart Ut...

Page 42: ...vents Monitoring the Fiber port status Link Up Link Down a trap when there is linking status happens in fiber port Abnormal Receive Error a trap when there are receive data error in fiber port Abnorma...

Page 43: ...and the Switch will be restored to the default setting Figure 40 Set Password Backup Setting The backup tools help you to backup the current setting of the Switch Once you need to backup the setting...

Page 44: ...ing from the factory Be aware that the entire configuration will be reset the IP address of the device will be set to the default setting of 192 168 0 1 Figure 42 Reset Setting Logout When you select...

Page 45: ...x Topology Star Network Cables 10BASET 2 pair UTP Cat 3 4 5 up to 100m 100BASE TX 2 pair UTP Cat 5 up to 100m 1000BASE T 4 pair UTP Cat 5 up to 100m Fiber module mini GBIC Fiber module Number of Ports...

Page 46: ...Table 8K entries per device Packet Filtering Forwarding Rate 10Mbps Ethernet 14 880 pps 100Mbps Fast Ethernet 148 800 pps 1000Mbps Gigabit Ethernet 1 488 000 pps MAC Address Learning Automatic update...

Page 47: ...ng sold As Is without any warranty whatsoever including without limitation the Limited Warranty as described herein notwithstanding anything stated herein to the contrary Submitting A Claim The custom...

Page 48: ...pyright Statement No part of this publication or documentation accompanying this product may be reproduced in any form or by any means or used to make any derivative such as translation transformation...

Page 49: ...egistration Register online your D Link product at http support dlink com register Product registration is entirely voluntary and failure to complete or return this form will not diminish your warrant...

Page 50: ...nek Aurum ul Walic w 11 PL 00 851 Warszawa Poland TEL 48 0 22 583 92 75 FAX 48 0 22 583 92 76 URL www dlink pl Hungary R k czi t 70 72 HU 1074 Budapest Hungary TEL 36 0 1 461 30 00 FAX 36 0 1 461 30 0...

Page 51: ...site 1 employee 2 9 10 49 50 99 100 499 500 999 1000 or more 3 What network protocol s does your organization use XNS IPX TCP IP DECnet Others_____________________________ 4 What network operating sys...

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