D-Link DGS-1008T Manual de usuario

DGS-1008T

8-Port 10/100/1000Mbps

Gigabit Ethernet Switch

User’s Guide

TABLE OF CONTENTS

ABOUT THIS GUIDE...........................................................................1

TERMS................................................................................................1

OVERVIEW OF THIS USER’S GUIDE........................................................1

INTRODUCTION.................................................................................3

GIGABIT ETHERNET TECHNOLOGY......................................................3

SWITCHING TECHNOLOGY ..................................................................4

FEATURES...........................................................................................5

UNPACKING AND SETUP..................................................................7

UNPACKING........................................................................................7

SETUP .................................................................................................7

DESKTOP OR SHELF INSTALLATION .....................................................8

RACK INSTALLATION ..........................................................................9

IDENTIFYING EXTERNAL COMPONENTS .....................................11

FRONT PANEL...................................................................................11

REAR PANEL.....................................................................................11

LED INDICATORS..............................................................................12

TECHNICAL SPECIFICATIONS......................................................15

ABOUT THIS GUIDE

This user’s guide tells you how to install your 8-Port

10/100/1000Mbps Gigabit Ethernet Switch, how to connect it to

your Gigabit Ethernet network.

Terms

For simplicity, this documentation uses the terms “Switch” (first

letter upper case) to refer to the 8-Port 10/100/1000Mbps Gigabit

Ethernet Switch, and “switch” (first letter lower case) to refer to

all Ethernet switches, including the 8-Port 10/100/1000Mbps

Gigabit Ethernet Switch.

Overview of this User’s Guide

♦Introduction. Describes the Switch and its features.

♦Unpacking and Setup. Helps you get started with the basic

installation of the Switch.

♦Identifying External Components. Describes the front

panel, rear panel, and LED indicators of the Switch.

♦Technical Specifications. Lists the technical specifications

of the Switch.

INTRODUCTION

This section describes the features of the 8-Port

10/100/1000Mbps Gigabit Ethernet Switch, as well as giving

some background information about Gigabit Ethernet and

switching technology.

Gigabit Ethernet Technology

Gigabit Ethernet is an extension of IEEE 802.3 Ethernet utilizing

the same packet structure, format, and support for CSMA/CD

protocol, full duplex, flow control, and management objects, but

with a tenfold increase in theoretical throughput over 100-Mbps

Fast Ethernet and a hundredfold increase over 10-Mbps

Ethernet. Since it is compatible with all 10-Mbps and 100-Mbps

Ethernet environments, Gigabit Ethernet provides a

straightforward upgrade without wasting a company’s existing

investment in hardware, software, and trained personnel.

The increased speed and extra bandwidth offered by Gigabit

Ethernet is essential to coping with the network bottlenecks

that frequently develop as computers and their busses get

faster and 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 significantly speed up the traffic

between your subnets.

Gigabit Ethernet supports video conferencing, complex imaging,

and similar data-intensive applications. Likewise, since data

transfers occur 10 times faster than Fast Ethernet, servers

outfitted with Gigabit Ethernet NIC’s are able to perform 10

times the number of operations in the same amount of time.

Switching Technology

Another key development pushing the limits of Ethernet

technology is in the field 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 making it

possible for a local area network to be divided into different

segments which don’t compete with each other for network

transmission capacity, giving a decreased load on each.

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

individual segments. Traffic that needs to go from one segment

to another is automatically forwarded by the switch, without

interfering with any other segments. This allows the total

network capacity to be multiplied, 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 and the

setup and maintenance required make routers relatively

impractical. Today’s switches are an ideal solution to most

kinds of local area network congestion problems.

Features

The 8-Port 10/100/1000Mbps Gigabit Ethernet Switch was

designed for easy installation and high performance in an

environment where traffic on the network and the number of

users increase continuously.

u8 10/100/1000Mbps NWay Auto-MDI Ethernet ports

uFull/half duplex transfer mode for 10Mbps and 100Mbps

uFull duplex transfer mode for 1000Mbps

uWire speed reception and transmission

uStore-and-Forward switching method

uIntegrated address Look-Up Engine, supports 8K

absolute MAC addresses

uSupports 512K Bytes data buffer per device

uExtensive front-panel diagnostic LEDs

uIEEE 802.3x flow control for full-duplex

uBack pressure flow control for half-duplex

UNPACKING AND SETUP

This chapter provides unpacking and setup information for the

Switch.

Unpacking

Open the shipping carton of the Switch and carefully unpack its

contents. The carton should contain the following items:

♦One 8-Port 10/100/1000Mbps Gigabit Ethernet Switch

♦Accessory pack: 2 mounting brackets and screws

♦Four rubber feet with adhesive backing

♦One AC power cord

♦User’s guide

If any item is found missing or damaged, please contact your

local reseller for replacement.

Setup

The setup of the Switch can be performed using the following

steps:

♦The surface must support at least 5 kg.

♦The power outlet should be within 1.82 meters (6 feet) of the

device.

♦Visually inspect the power cord and see that it is secured

fully to the AC power connector.

♦Make sure that there is proper heat dissipation from and

adequate ventilation around the Switch. Do not place heavy

objects on the Switch.

Desktopor Shelf Installation

When installing the Switch on a desktop or shelf, the rubber

feet included with the device must be first attached. Attach

these cushioning feet on the bottom at each corner of the

device. Allow enough ventilation space between the device and

the objects around it.

Gigabit Ethernet Switch installed on a Desktop or Shelf

Rack Installation

The Switch can be mounted in an EIA standard size, 19-inch

rack, which can be placed in a wiring closet with other

equipment. To install, attach the mounting brackets on the

switch’s front panel (one on each side) and secure them with

the screws provided.

Attaching the mounting brackets to the Switch

Then, use the screws provided with the equipment rack to

mount the Switch in the rack.

Installing the Switch in an equipment rack

IDENTIFYING EXTERNAL COMPONENTS

This chapter describes the front panel, rear panel and LED

indicators of the Switch

Front Panel

The front panel of the Switch consists of 8 1000BASE-T ports

and LED indicators.

Front panel view of the Switch

♦Eight Gigabit Ethernet ports of 10/100/1000Mbps Auto-

Negotiation interface.

♦Comprehensive LED indicators that display the conditions

of the Switch and status of the network. A description of

these LED indicators follows (see LED Indicators).

Rear Panel

The rear panel of the Switch consists of an AC power

connector. The following shows the rear panel ofthe Switch.

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