D-Link DES-1200M Manuale utente

DES-1200M

Fast Ethernet Switch System

User’s Guide

Rev. 03 (MAR. 2001)

6012-9830016

Printed In Taiwan

RECYCLABLE

TABLE OF CONTENTS

TABLE OF CONTENTS..................................II

CHAPTER 1 INTRODUCTION ..................1

UNPACKING ...........................................................3

DEVICE DESCRIPTION, FEATURES AND

CAPABILITIES .................................................4

DES-1200M FRONT AND REAR PANELS......................4

DES-128 8 PORTS 10/100BASE-TX MODULE...............6

DES-121T GIGABIT 1000BASE-T SWITCH MODULE .....8

FD THE LED INDICATOR IS YELLOW WHEN THE PORT IS OPERATING

IN FULL-DUPLEX MODE. WHEN THE PORT IS OPERATING IN HALF-

DUPLEX MODE, THE LED INDICATOR IS NOT LIT......................9

DES-124F 4 PORTS 100BASE-FX FIBER MODULE ......10

DES-121G/GL 1000BASE-SX/LX FIBER MODULE.....12

CHAPTER 2 PLANNING YOUR

NETWORK.....................................................13

10BASE-T ETHERNET NETWORK GUIDELINES ............13

100BASE-TX FAST ETHERNET NETWORK GUIDELINES 13

100BASE-FX FAST ETHERNET NETWORK GUIDELINES 14

1000BASE-SX AND LX NETWORK GUIDELINE..........14

NETWORK PLANNING.............................................15

EXPANDED NETWORKS ..........................................15

iii

COLLAPSED BACKBONE LINK..................................17

FILESERVER LINK..................................................19

MULTI-PORT BRIDGE WITH HIGH-BANDWIDTH

BACKBONE ..........................................................20

CHAPTER 3 INSTALLATION..................22

CHOOSING A LOCATION .........................................22

SUPPLYING POWER................................................24

CONNECTING THE SWITCH ......................................24

CHAPTER 4. MODULE INSTALLATION

AND REMOVAL ...........................................25

HANDLING THE MODULES.......................................25

MODULE SETUP AND INSTALLATION.........................25

INSTALLING THE MODULES .....................................26

REMOVING THE MODULES ......................................27

APPENDIX A. TECHNICAL

SPECIFICATIONS..........................................28

COMPATIBILITY WITH ETHERNET STANDARDS:...........28

PHYSICAL CHARACTERISTICS:.................................29

APPENDIX B. PIN ASSIGNMENTS............30

CHAPTER 1 INTRODUCTION

DES-1200M are multi-speed network devices combining

Ethernet, Fast Ethernet and Gigabit Ethernet capabilities

in a single compact, rack-mountable cabinet. Combining

10Mbps Ethernet, 100Mbps Fast Ethernet and Gigabit

Ethernet interfaces in one unit allows these switches to

unclog existing LANs and provide a path to efficient,

high-speed networking.

DES-1200M is a combination of a 4-slot host cabinet

which accepts more than 15 different media modules. A

maximum configuration of 32 x 10/100Base-TX switched

ports can be achieved using 4 X 8 port 10/100Base-TX

modules. In the same way, a maximum configuration of

32×10/100Base-TX or 8/16/32 ×100Base-FX ports, or 4

x 1000Base-SX/LX can be accommodated in the host

cabling. Any of the above modules can be integrated to

give up to many different configurations.

Unpacking

Open the shipping cartons of DES-1200M and carefully

unpacks its contents. The carton should contain the

following items:

Figure 1-1. Package Contents

DES-1200M 4-Slot Fast Ethernet System

AC power cord

Rack mounting kit

Four Rubber feet

This User’s Guide

If any item is found missing or damaged, please contact

your local reseller for replacement.

DEVICE DESCRIPTION, FEATURES AND

CAPABILITIES

DES-1200M Front and Rear Panels

This section describes the features on the front and rear panels

of the DES-1200M unit.

Figure 1-2. Front Panel

Figure 1-3. Rear Panel

All LED status indicators are located on the FRONT panel of

the switches. They provide a real-time indication of system and

operational status. The ports for connections to other devices

and networks are also on the front panels, along with the

crossover switches. The following sections provide descriptions

of the LED indicators and ports.

LED Indicators Explanation

Power The red power indicator is illuminated when power is

provided to the switch and the switch is turned in the ON

position.

Link/Activity

Green Link/Activity indicators are illuminated when the

switch detects a connection to that port. The indicator

blinks when data is transmitted over the network

connected to that port.

When a port is not connected, the indicator is off.

Full Duplex/Col

Red Full Duplex/Col indicators are illuminated when that

port is in full duplex mode. The indicator is off when that

port is in half duplex mode.

When a collision occurs on the network connected to a

port, that Full Duplex/Col indicator blinks.

100Mbps Green 100Mbps indicators are illuminated when the port is

operating in 100Mbps mode. The indicator is off when the

port is operating in 10Mbps mode.

 Power Port

The power port accepts the power plug.

 Power Switch

The power switch, located on the rear panel, controls the power supply

DES-128 8 ports 10/100Base-TX Module

Figure 1-4. 8 port 10/100Base-TX Module

When installed into a DES-1200M, the DES-128 provides 8x

10/100Mbps Switch ports which can connect the DES-1200M to

a 10Mbps or 100Mbps hub or end station.

DES-128 8 Ports 10/100Base-TX Module Features

 8x 10/100Base-TX N-Way Switch ports.

 Conforms to IEEE 802.3 10Base-T and IEEE 802.3u

100Base-TX and IEEE 802.3x Ethernet Standards

 Store and forward switch architecture for abnormal packet

filtering

 Support for half and full duplex on all ports

 Backplane up to 2.4Gbps

 5M memory Buffer support

 Automatic address learning with 4K address entry storage

 Filtering and forwarding rate of 14,880~148,800 packets

per second

DIP Switch with Link Mode

The DES-128 8 port 10/100Base-TX module provides dip

Indice

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