D-Link DSS-5+ Manuale utente

D-Link DSS-5+

5-port 10/100 Ethernet Switch

Manual

Rev. 101404w

Building Networks for People

TABLE OF CONTENTS

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

PURPOSE .......................................................................................................................................1

INTRODUCTION ..........................................................................................................................2

FAST ETHERNET TECHNOLOGY ....................................................................................................2

SWITCHING TECHNOLOGY............................................................................................................2

FEATURES .....................................................................................................................................4

UNPACKING AND SETUP..........................................................................................................6

UNPACKING ..................................................................................................................................6

SETUP ............................................................................................................................................6

IDENTIFYING EXTERNAL COMPONENTS..........................................................................7

FRONT PANEL ...............................................................................................................................7

LED INDICATORS .........................................................................................................................7

REAR PANEL .................................................................................................................................8

CONNECTING THE SWITCH ...................................................................................................9

PC TO DSS-5+ ..............................................................................................................................9

HUB TO DSS-5+............................................................................................................................9

DSS-5+ TO OTHER DEVICES .........................................................................................................9

PORT SPEED & DUPLEX MODE...................................................................................................10

MOUNTING THE SWITCH ON A WALL..............................................................................11

TECHNICAL SPECIFICATIONS.............................................................................................12

RJ-45 PIN SPECIFICATION .....................................................................................................14

WARRANTY ................................................................................................................................15

P/N:1907DSS5+1*6009

ABOUT THIS GUIDE

Congratulations on your purchase of the D-Link DSS-5+. This device

integrates 100Mbps Fast Ethernet and 10Mbps Ethernet network

capabilities in one high-performance, easy-to-use solution.

Purpose

This manual will familiarize you with the DSS-5+ and guide you through

the installation process.

INTRODUCTION

Fast Ethernet Technology

The growing importance of LANs and the increasing complexity of

desktop computing applications are fueling the need for high performance

networks. 100BASE-T (Fast Ethernet) provides a cost-effective and high-

performance solution for small workgroups, SMBs (Small to Medium

Businesses), and any network supporting bandwidth-intensive applications.

Fast Ethernet technology operates at 10 times the speed of traditional

Ethernet, offering maximum performance and enhanced capability for

existing Ethernet-based networks.

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.

Switching Technology

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

available to users on a LAN. If an Ethernet network begins to display

symptoms of congestion, low throughput, slow response times, and high

rates of collision, installing a switch to a network can preserve much or all

of the existing network's cabling and workstation interface card

infrastructure, while still greatly enhancing the throughput for users. A

switch is a viable solution even if demanding applications, such as

multimedia production and video conferencing, are on the horizon. The

most promising techniques, as well as the best return on investment, could

well consist of installing the right mixture of Ethernet switches.

A switch increases capacity and decreases network loading by dividing a

local area network into different LAN segments. Dividing a LAN into

multiple segments is one of the most common ways of increasing available

bandwidth. If segmented correctly, most network traffic will remain within

a single segment, enjoying the full-line speed bandwidth of that segment.

Switches provide full-line speed and dedicated bandwidth for all

connections. This is in contrast to hubs, which use the traditional shared

networking topology, where the connected nodes contend for the same

network bandwidth. When two switching nodes are communicating, they

are connected with a dedicated channel between them, so there is no

contention for network bandwidth with other nodes. As a result, the switch

reduces considerably, the likelihood of traffic congestion.

For Ethernet networks, a switch is an effective way of eliminating the

problem of chaining hubs beyond the “two-repeater limit.” A switch can

be used to split parts of the network into different collision domains,

making it possible to expand your Ethernet network beyond the 205-meter

network diameter limit for 100BASE-TX networks. Switches supporting

both 10Mbps Ethernet and 100Mbps Fast Ethernet are also ideal for

bridging between existing 10Mbps networks and newer 100Mbps

networks.

Switching LAN technology is a marked improvement over the previous

generation of network hubs and 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.

Features

The DSS-5+ is a high performance switch designed specifically for

environments where traffic on the network and the number of users

increase continuously.

The DSS-5+, with its small, compact size, was specifically designed for

small to mid-sized workgroups. The DSS-5+ can be installed where space

is limited; moreover, it provides immediate access to a rapidly growing

network through a wide range of user-reliable functions.

The DSS-5+ is ideal for deployment with multiple high-speed servers for

10Mbps or 100Mbps shared-bandwidth workgroups. With the highest

bandwidth at 200Mbps (100Mbps full-duplex mode), any port can provide

workstations with a congestion-free data pipe for simultaneous access to

the server.

The DSS-5+ is scalable, allowing two or more DSS-5+s to be cascaded

together. Since all ports support 200Mbps, any one of its five ports may

be used to cascade to an additional switch to open a Full-Duplex Fast

Ethernet pipe.

The DSS-5+ is the perfect choice for a department or office planning to

upgrade to Fast Ethernet. The DSS-5+ can accommodate 10Mbps or

100Mbps devices, providing a flexible solution for existing (10Mbps)

Ethernet workgroups.

The DSS-5+ combines dynamic memory allocation with store-and-

forward switching to ensure that the buffer is effectively allocated for each

port; and it controls the data flow between the transmit and receive nodes

to guarantee against possible packet loss.

The DSS-5+ is an unmanaged 10/100Mbps Fast Ethernet switch that

offers solutions for the accelerating bandwidth needs of small Ethernet

workgroups.

Other key features include:

 Store-and-forward switching scheme capability. As the result of

complete frame checking and error frame filtering, this scheme

prevents error packages from transmitting among segments.

 Auto-MDI/MDI-X function supports automatic MDI/MDI-X

crossover detection, giving true ‘plug and play’ capability—Crossover

or Straight-Through CAT5 cables can be plugged into any port.

 Nway Auto-negotiation for any port. This allows for auto-sensing of

speed (10/100Mbps), providing an automatic and flexible solution for

the network.

 Flow control for any port. This minimizes dropped packets by sending

out collision signals when the port’s receiving buffer is full.

 Data filtering rate eliminates all error packets, runts, etc., per port at

wire-speed for 100Mbps operation and 10Mbps operation.

UNPACKING AND SETUP

Unpacking

Open the box and carefully unpack it. The box should contain the

following items:

 One DSS-5+ 5-port 10/100Mbps Ethernet Switch

 One External Power Adapter

 Four Rubber Feet

 This Manual

If any item is missing or damaged, please contact your local reseller for a

replacement.

Setup

The setup of the DSS-5+ can be performed using the following steps:

 The power outlet should be within 1.82 meters (6 feet) of the Switch.

 Visually inspect the DC power jack and make sure that it is fully

secured to the power adapter.

 Do not cover the ventilation holes on the sides of the Switch, and

make sure there is adequate ventilation around it.

 Do not place heavy objects on the switch.

IDENTIFYING EXTERNAL COMPONENTS

Front Panel

The figure below shows the front panel of the DSS-5+.

DSS-5+ 10/100Mb Fast Ethernet Switch

LED Indicators

 Power Indicator (PWR):

This green indicator light is on when the DSS-5+ is receiving power;

otherwise, it is off.

 Collision :

As collision occur on any port of the Switch it will blink. Collisions

are normal in an Ethernet network.

 100Mbps Link/Activity, 10Mbps Link/Activity Indicator

(100 Link/Act (green), 10 Link/Act (amber):

This LED indicator light is green when the port is connected to a

100Mbps Fast Ethernet station. The green indicator blinks as Fast

Ethernet data is transmitted or received. The indicator light is amber

when the port is connected to a 10Mbps Ethernet station, or other

network device. The amber indicator blinks as Ethernet data is

transmitted or received.

Rear Panel

Auto MDI/MDI-X Ports:

All ports support automatic MDI/MDI-X crossover detection. The

AutoMDI/MDI-X function makes it simple to connect to the switch—just

plug either a Crossover or Straight-Through CAT5 cable into any port.

DC Power Jack:

Power is supplied through an external DC power adapter. Check the

technical specification section for information about the DC power input

voltage.

Since the DSS-5+ does not require a power button, plugging its power

adapter into a power outlet will immediately power it on.

DSS-5+ 10/100Mb Fast Ethernet Switch

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