Lantronix LSW2F8 Manuale utente

LSW2F8, LSW2F16

10/100 Ethernet

Switch

Installation Guide

LSW2F8_16 Guide 3/18/99 12:17 PM Page 1 (1,1)

Table of Contents

CHAPTER 1. Introduction

1.1 Product Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3 Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

CHAPTER 2. Using the LSW Switch

2.1 Packing Checklist. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2 Planning Your Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2.1 Fileserver Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.2.2 Backbone Link. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2.3 10/100Mbps Bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.4 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.5 Connecting the LSW Switch . . . . . . . . . . . . . . . . . . . . . . . . 11

CHAPTER 3. LED Indicators

3.1 Power LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.2 10/100 Mbps LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.3 Full/Col: Full or Half Duplex/Collision LEDs. . . . . . . . . 13

3.4 Link/Activity LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Limited Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . 16

LSW2F8_16 Guide 3/18/99 12:17 PM Page 1 (1,1)

CHAPTER 1 Introduction

1.1 Product Introduction

Congratulations on your purchase of the Lantronix 10/100Mbps 10-

port or 18-port switch. The LSW2F8 and LSW2F16 10/100 Ethernet

Switches are designed to give you the ultimate in performance, flexibil-

ity, ease-of-use, and reliability.

The LSW 10/100 switches can increase performance on your network

by bringing full Ethernet bandwidth to individual workgroups or

straight to the desktop instead of requiring all stations to share the

bandwidth of a single network. The LSW switchÕs 100Mbps Fast

Ethernet capability can eliminate bottlenecks in connection to servers,

or can link 10Mbps workgroups to a 100Mbps Fast Ethernet network

backbone.

For straight-through 10BASE-T/100BASE-TX connections to servers

and workstations, the LSW switches support full-duplex connections,

effectively doubling the total throughput on individual links. The LSW

switchÕs store-and-forward switching architecture forwards packets to

their destination with a minimum of delay and eliminates bad packets

from the network.

The LSW2F8/LSW2F16 switch can be placed on a tabletop or rack-

mounted, and provides the ideal solution for your small, medium, or

large Ethernet/Fast Ethernet network. These devices are designed to

comply fully with the IEEE 802.3 Ethernet and 802.3u Fast Ethernet

standards.

LSW2F8_16 Guide 3/18/99 12:17 PM Page 2 (1,1)

1.2 Features

▼The LSW2F8 provides two 100BASE-TX ports and eight 10BASE-T

ports for Ethernet and Fast Ethernet connectivity

▼The LSW2F8/LSW2F16 comply with the IEEE 802.3 Ethernet and

IEEE 802.3u Fast Ethernet standards

▼An Uplink switch on the front panel enables the LSW switch to be

cascaded to another 10Mbps or 100Mbps hub using a straight-

through cable

▼Store-and-forward switching architecture for filtering bad packets

▼Total bandwidth up to 280Mbps (LSW2F8I) and 360Mbps (LSW2F16)

▼Automatic address learning with 8K addresses per port

▼MemoryÐLSW2F8: 1MB total

LSW2F16: 3MB total

▼Per-port frame filtering and forwarding capability

▼Filtering and forwarding rate 14880 packets per second for 10Mbps

ports, 148800 per second for 100Mbps ports

▼Global Power and individual Collision, Link/Activity LEDs

monitor system status

▼The internal power supply automatically adjusts to the voltage

range of the AC power being supplied (100VAC/60Hz to

240VAC/50Hz), with no change in settings or fuse required

▼FCC Class A, CE, UL, CUL, TUV certifications

▼Five year limited warranty

LSW2F8_16 Guide 3/18/99 12:17 PM Page 3 (1,1)

1.3 Product Specifications

Standards IEEE 802.3 10BASE-T Ethernet

IEEE 802.3u 100BASE-TX Fast Ethernet

Architecture Store and forward switching

Connectors LSW2F8 8x10BASE-T/2 100BASE-TX (RJ-45) Fast

Ethernet ports

LSW2F16 16x10BASE-T/2 100BASE-TX (RJ-45) Fast

Ethernet ports

Uplink ports Push button to select Uplink or Normal

connections: Port 1 and Port 10

Duplex mode Autonegotiates to highest setting on 10/100 ports

(Ports 1 and 2)

Switch-selectable on 10Mbps ports

LED indicators Power (device)

Link/Act, Full/Col (per port)

Power 100Ð240VAC, 50/60Hz

EMI Approval FCC Class A, CE, UL, CUL, TUV

Dimensions 220mm x 330mm x 44mm (L x W x H)

Environment Operating: 0¡C to 40¡C, 10% to 80% humidity

Storage: -20¡C to 70¡C, 5% to 90% humidity

Warranty 5-year limited

LSW2F8_16 Guide 3/18/99 12:17 PM Page 4 (1,1)

Chapter 2 Using the LSW Switch

2.1 Packing Checklist

Your switch product package should contain the following:

✓An LSW2F8 or LSW2F16 10/100 Ethernet Switch

✓One AC Power Cable

✓Four self-adhesive standoffs

✓Rackmount brackets and screws

✓Installation Guide

If any of these items are missing, contact your dealer immediately.

2.2 Planning Your Network

Before you install your 10/100Mbps network, you should plan out

how you wish to organize your network to take maximum advantage

of its switching capabilities. This section discusses typical applications

for the switch.

LSW2F8_16 Guide 3/18/99 12:17 PM Page 5 (1,1)

2.2.1 Fileserver Link

The LSW switch can be used to greatly increase the bandwidth between

one or more fileservers and the workgroups they serve. Individual

10Mbps workgroup switches can be connected to the ports on the LSW

switch, ensuring that traffic in one workgroup will not interfere with

the performance of another workgroup. Full-duplex 100Mbps links to

fileservers guarantee that full bandwidth is delivered to each work-

group. High-performance workstations needing extra throughput can

connect directly to the switch using a full-duplex 10BASE-T connection,

giving 20Mbps of effective throughput.

Figure 2-1 Fileserver Link Application

FULL/COL

LINK/ACT

12 3456 78910

LSW2F8

Hub

Fileserver

(100Mbps) Fileserver

(100Mbps)

Hub

Workgroups

LSW2F8_16 Guide 3/18/99 12:17 PM Page 6 (1,1)

2.2.2 Backbone Link

Traditionally, bridges and routers have been used to link individual

local area networks into an interconnected network. Routers and tradi-

tional bridges introduce relatively large delays when forwarding traffic

from one network to another, in addition to being difficult to manage.

Bridge architecture based on two-port bridges may require traffic to

pass through several bridges before reaching its destination. Ethernet

switches now perform these functions with especially small delays,

making them ideal for backbone link applications. Compared to

routers, LantronixÕs LSW Ethernet switches are easy to set up and

maintain. Several networks can be connected together with a single

Ethernet switch, and the forwarding delay is negligible. One or more of

the LSW switchÕs 100Mbps links can be used as a high-speed backbone

link to other switches serving as collapsed backbones.

Figure 2-2 Collapsed Backbone Application

FULL/COL

LINK/ACT

FULL/COL

LINK/ACT

12 3456 78910

LSW2F16

Fileserver

(100Mbps)

Hub Hub

Workgroup

(10Mbps shared)

Workgroup

(10Mbps shared)

To 100Mbps

Ethernet Backbone

LSW2F8_16 Guide 3/18/99 12:17 PM Page 7 (1,1)

2.2.3 10/100Mbps Bridging

The LSW 10/100 Ethernet Switch can allow you to gradually transition

between traditional 10Mbps Ethernet and newer 100Mbps Fast

Ethernet. The addition of the LSW switch can give immediate increases

in performance on the 10Mbps networks, and allows connectivity to be

maintained when network stations are transitioned over to 100Mbps

Fast Ethernet.

Figure 2-3 10/100Mbps Bridge Application

2.3 Installation

The LSW 10/100 Ethernet Switch is easy to install and requires no

special training. You should, however, read the following instructions

carefully before proceeding to install your switch. Figure 2-4 and Figure

2-5 show the layout of the front panels.

FULL/COL

LINK/ACT

12 3456 78910

LSW2F8

Hub Hub Hub

100BASE-TX

Workgroup

100Mbps 10Mbps 10Mbps

10BASE-T

Workgroup

10BASE-T

Workgroup

LSW2F8_16 Guide 3/18/99 12:17 PM Page 8 (1,1)

Figure 2-4 LSW2F8 Switch Front Panel

Figure 2-5 LSW2F16 Switch Front Panel

The LSW 10/100 switches were designed for easy Òplug and playÓ

installation. Before you connect your switch to other devices, there are

several issues you should keep in mind:

▼When connecting the LSW switch to a device using unshielded

twisted pair cable, you must make sure that the cable length is not

greater than 100 meters

▼10BASE-T Twisted Pair Ethernet cabling should be Category 3 or better

▼100BASE-TX Twisted Pair Fast Ethernet cabling should use tested

Category 5 cabling

▼Network cable segments can be connected to or disconnected from

the LSW 10/100 switch while the power is on

▼When placing your LSW switch, you need to avoid dusty locations

and electromagnetically noisy areas

1 2 3 4 5 6 7 8 9 10

12 345678910 Uplink

PWR

FULL/COL

LINK/ACT

PORT NO.

10/100 Mbps

LSW2F8

10/100

Uplink

1 2 3 4 5 6 7 8 9 10

11 12 13 14 15 16 17 18

12 345678910

11 12 13 14 15 16 17 18

PORT NO.

FULL/COL

LINK/ACT

PWR

FULL/COL

LINK/ACT

PORT NO.

10/100 Mbps

LSW2F16

10/100

Uplink

LSW2F8_16 Guide 3/18/99 12:17 PM Page 9 (1,1)

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