D-Link DGS-1224T Router Manual PDF (Setup & Configuration Guide)

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tomorrow’s rapidly improving switching and routing internetworking

technologies. And with expected advances in the coming years in

silicon technology and digital signal processing that will enable

Gigabit Ethernet to eventually operate over unshielded twisted-pair

(UTP) cabling, outfitting your network with a powerful 1000-Mbps-

capable backbone/server connection creates a flexible foundation for

the next generation of network technology products.

Fast Ethernet Technology

The growing importance of LANs and the increasing complexity of

desktop computing applications are fueling the need for high

performance networks. A number of high-speed LAN technologies

have been proposed to provide greater bandwidth and improve

client/server response times.

Among them, 100BASE-T (Fast

Ethernet) provides a non-disruptive, smooth evolution from the

current 10BASE-T technology.

The non-disruptive and smooth

evolution nature, and the dominating potential market base, virtually

guarantees cost-effective and high performance Fast Ethernet

solutions.

100Mbps Fast Ethernet is a standard specified by the IEEE 802.3

LAN committee.

It is an extension of the 10Mbps Ethernet standard

with the ability to transmit and receive data at 100Mbps, while

maintaining the CSMA/CD Ethernet protocol. Since the 100Mbps

Fast Ethernet is compatible with all other 10Mbps Ethernet

environments, it provides a straightforward upgrade and takes

advantage of the existing investment in hardware, software, and

personnel training.

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Switching Technology

Another approach to pushing beyond the limits of Ethernet technology

is the development of switching technology. A switch bridges

Ethernet packets at the MAC address level of the Ethernet protocol

transmitting among connected Ethernet or Fast Ethernet LAN

segments.

Switching is a cost-effective way of increasing the total network

capacity available to users on a local area network.

A switch increases

capacity and decreases network loading by dividing a local area

network into different segments, which don’t compete with each other

for network transmission capacity.

The switch acts as a high-speed selective bridge between the

individual segments.

The switch, without interfering with any other

segments, automatically forwards traffic that needs to go from one

segment to another.

By doing this the total network capacity is

mu ltiplied, while still maintaining the same network cabling and

adapter cards.

Switching LAN technology is a marked improvement over the

previous generation of network bridges, which were characterized by

higher latencies.

Routers have also been used to segment local area

networks, but the cost of a router, the setup and maintenance required

make routers relatively impractical.

Today switches are an ideal

solution to most kinds of local area network congestion problems.

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VLAN (Virtual Local Area Network)

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 need for routers, using faster switching instead. Other

VLAN utility includes:

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.

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.

Features

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24×10/100/1000Mbps Auto-negotiation Gigabit Ethernet ports

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All RJ45 ports support auto MDI/MDIX, so there is no need to

use cross-over cables or an up-link port

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Half duplex transfer mode for connection speed 10Mbps and

100Mbps

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Full duplex transfer mode for connection speed of 10Mbps,

100Mbps and 1000Mbsps

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Gigabit Wire speed reception and transmission

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Store-and-Forward switching scheme capability to support rate

adaptation and ensure data integrity

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8K unicast addresses entities per device, self-learning, and table

aging

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400KBytes packet buffer

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Supports IEEE 802.3x flow control for full-duplex mode ports

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Supports Port-based VLAN

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Supports Port-based QoS

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Supports Port-based Trunking

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Supports Port-based Mirroring

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Supports Port-setting for Speed/Disable, Flow control

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Easy configuration via WEB Browser

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Easy setting via Web Management Utility

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Broadcast Storm Protection

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Standard 19” Rack-mount size

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UNPACKING AND INSTALLATION

This chapter provides unpacking and installation information for the

Switch.

Unpacking

Open the shipping cartons of the Switch and carefully unpacks its

contents.

The carton should contain the following items:

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One DGS-1224T Web Smart Switch

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One AC power cord, suitable for your area’s electrical power

connections

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Four rubber feet to be used for shock cushioning

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Screws and two mounting brackets

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CD-Rom with Web Management Utility and Manual

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Quick Installation Guide

If any item is found missing or dama ged, 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 the Switch in a fairly cool and dry place.

See

Technical

Specifications

for the acceptable temperature and humidity operating

ranges.

Install the Switch in a site free from strong electromagnetic field

generators (such as motors), vibration, dust, and direct exposure to

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