LevelOne GSW-2470TGX Manuale utente

LevelOne

GSW-2470TGX

24-Port 10/100Mbps plus 2 Gigabit copper

Smart Switch

User’s Manual

Introduction

Welcome to the World of Network Switching.

In the modern business society, communication and information

sharing are fundamental to our lifestyle. And computer networks

have proven to be one of the fastest means of communication.

The LevelOne GSW-2470TGX Smart Switch is a multi-port Switch that

can be used to build high-performance switched workgroup

networks. This switch is a store-and-forward device that offers low

latency for high-speed networking. The Switch is targeted at

workgroup, department or backbone computing environment at SME

(small, medium enterprise) business.

Figure 1-1. The LevelOne GSW-2470TGX Smart Switch

The LevelOne GSW-2470TGX Smart Switch features a

“store-and-forward “switching scheme. This allows the switch to

auto-learn and store source address on 8K-entry MAC address

table.

Features

Conforms to IEEE 802.3, 802.3u, 802.3x and 802.3ab

standard

 24 auto-sensing 10/100 Base-TX RJ-45 Ethernet ports,

2 RJ-45 sockets for Gigabit Ethernet

 Automatic MDI/MDIX crossover for 10 Base-T, 100

Base-TX and 1000Base-T Ports

 Half-duplex mode for backpressure, and full-duplex for

flow control

 N-Way Auto-Negotiation supported

Store-and-forwarding switching architecture for

abnormal packet filtering

Performs non-blocking full wire speed (Backplane

Bandwidth 8.8 Gbps)

8K-entry MAC address table

 LED indicators for Fast Ethernet: Power, and LK/ACT,

FDX/COL

Gigabit Copper: LK1000, LK100, ACT, FD

19” standard size

Package Contents

Unpack the contents of the LevelOne GSW-2470TGX Smart Switch

and verify them against the checklist below.

24TX Switch (Auto MDI/MDIX)

Power Cord

Four Rubber Feet

 User Guide

 RS-232 cable (For Smart Switch model)

 Rack mount kit

24TX+2 Gigabit Copper Smart Switch

Rubber Feet RS-232 cable (For Smart Switch) Manual

Power Cord Rack-mount kit

Figure 1-2. Package Contents

Compare the contents of your LevelOne GSW-2470TGX Smart Switch

package with the standard checklist above. IF any item is missing or

damaged, please contact your local dealer for service.

Ethernet Switching Technology

Ethernet Switching Technology dramatically boosted the total

bandwidth of a network, eliminated congestion problems inherent

with Carrier Sense multiple access with Collision Detection

(CSMA/CD) protocol, and greatly reduced unnecessary

transmissions.

This revolutionized networking. First, by allowing two-way,

simultaneous transmissions over the same port (Full-duplex), which

essentially doubled the bandwidth. Second, by reducing the collision

domain to a single switch-port, which eliminated the need for carrier

sensing. Third, by using the store-and-forward technology’s

approach of inspecting each packet to intercept corrupt or redundant

data, switching eliminated unnecessary transmission that slow the

network. By employing address-learning, which replaced the

inefficient receiving port.

Auto-negotiation regulates the speed and duplex of each port, based

on the capability of both devices. Flow-control allows transmission

from a 100Mbps node to a 10Mbps node without loss of data.

Auto-negotiation and flow-control may require disablement for some

networking operations involves legacy equipment. Disabling the

auto-negotiation is accomplished by fixing the speed or duplex of a

port.

Ethernet Switching Technology supplied higher performance at

costs lower than other solutions. Wider bandwidth, no congestion,

and the reduction in traffic is why switching is replacing expensive

routers and inefficient hubs as the ultimate networking solution.

Switching brought a whole new way of thinking to networking.

Hardware Description

This Section mainly describes the hardware of the LevelOne

GSW-2470TGX Smart Switch, and gives a physical and functional

overview of this Module Switch.

The physical dimensions of the 24 TX Auto MDIX are:

440mmx 161mm x 44mm (L x W x H)

FrontPanel

The Front Panel of the24 TX Auto MDIX consists of 24x

10/100Base-TX RJ-45 ports and 2 Gigabit Copper ports. The LED

Indicators are also located on the front panel of the Switch.

Figure 2-1. The Front panel

RJ-45 ports (Auto MDI/MDIX): 24x 10/100Mbps auto-sensing

port for 10Base-T or 100Base-TX devices connection.

[In general, MDI means connecting to another Hub or Switch while MDIX

means connecting to a workstation or PC. Therefore, Auto MDI/MDIX

means that you can connect to another Switch or workstation without

changing non-crossover or crossover cabling.]

2Gigabit Copper ports: 2x 100/1000Mbps auto-sensing port for

Full-duplex connection.

LED Indicators 24 RJ-45 Ports 2 Gigabit

Copper Ports

Console port for Smart Switch Model

LED Indicators

The LED Indicators gives a real-time information of systematic

operation status. The following table provides descriptions of LEDs

status and their meaning.

Table 2-1. The Descriptions of LED Indicators

Ethernet Port

LED Status Description

Green Power On

Power

Off Power is not connected

Green The port is connecting with the device.

Blinks The port is receiving or transmitting data.

LK/ACT

Off No device attached.

Orange The port is operating in Full-duplex mode.

Blinks Collision of Packets occurs in the port.

FD/COL

Off No device attached or in half-duplex mode.

Gigabit Port

LED Status Description

Green The port is operating at the speed of

1000Mbps.

LK1000

Off No device attached.

Green The port is operating at the speed of 100Mbps.

LK100

Off No device attached.

Green

/Blinks The port is receiving or transmitting data.

ACT

Off No device attached.

Orange The port is operating in Full-duplex mode.

Off No device attached.

RearPanel

The 3-pronged power plug is located at the rear panel of the

LevelOne GSW-2470TGX Smart Switch as show in the Figure 2-3. The

Switch will work with AC in the range 100-240V AC, 50-60Hz.

Figure 2-3. The Rear Panel of the LevelOne GSW-2470TGX Smart Switch

Desktop Installation

Set the Switch on a sufficiently large flat space with a power outlet

nearby. The surface where you put your Switch should be clean,

smooth, level and sturdy.

Make sure there is enough clearance around the Switch to allow

attachment of cables, power cord and allow air circulation.

Power Plug

Figure 2-2. LED Indicators

Attaching Rubber Feet

A. Make sure mounting surface on the bottom of the Switch is

grease and dust free.

B. Remove adhesive backing from your Rubber Feet.

C. Apply the Rubber Feet to each corner on the bottom of the

Switch. These footpads can prevent the Switch from

shock/vibration.

Figure 2-4. Attaching Rubber Feet to each corner on the bottom of the Switch

Rack-mounted Installation

The 24TX Auto MDIX comes with a rack-mounted kit (Not a standard

option for this switch) and can be mounted in an EIA standard size,

19-inch Rack. The Switch can be placed in a wiring closet with other

equipment.

Perform the following steps to rack mount the switch:

A. Position one bracket to align with the holes on one side of the

switch and secure it with the smaller bracket screws. Then attach

the remaining bracket to the other side of the Switch.

B. After attached both mounting brackets, position the 24 Port 10/100

Auto MDIX in the rack by lining up the holes in the brackets with

the appropriate holes on the rack. Secure the Switch to the rack

with a screwdriver and the rack-mounting screws.

Figure 2-5. Attach

mounting brackets

with screws

Power On

Connect the power cord to the power socket on the rear panel of the

Switch. The other side of power cord connects to the power outlet.

The power supply in the Switch works with AC in the voltage range

100-240VAC, frequency 50~60Hz.

Check the power indicator on the front panel to see if power is

properly supplied.

Connecting to the Switch (For Smart Switch

Model)

The Console port is a female DB-9 connector that enables a

connection to a PC or terminal for monitoring and configuring the

LevelOne GSW-2470TGX Smart Switch. Use the supplied RS-232

cable with a male DB-9 connector to connect a terminal or PC to the

Console port.

The Console configuration (out of band) allow you to set your Switch

to enable a user at a remote console terminal to communicate with

the 24TX Intelligent Switch as if the console terminal were directly

connected to it.

Figure 3-1. Connecting the LevelOne GSW-2470TGX Smart Switch to a

terminal via RS-232 cable

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