LevelOne GSW-2490TXM Manuale utente

LevelOne

GSW-2490TXM

24-Port + 2 Slide-in Slots SNMP Switch

Introduction

Welcome to the World of Switching-Network.

In modern society, communication and information sharing are

fundamental to our lifestyle. Computer networks are one of the

fastest means of communication.

As your company grows, your network demands will increase. …

Figure 1-1. The

24TP+2Exp-Slot Switch

The LevelOne GSW-2490TXM SNMP Switch are designed to

provide your network with Ethernet, Fast Ethernet, Gigabit Ethernet

connectivity over twisted pair and fiber optic cabling. Two expansion

slots on the front panel of the LevelOne GSW-2490TXM SNMP

Switches further add to the flexibility of the systems.

The LevelOne GSW-2490TXM SNMP is a managed Fast Ethernet

switch, that provides a number of exceptional features with

extremely flexible configuration expansions without compromising

the wire speed performance.

The LevelOne GSW-2490TXM SNMP switch provide wire-speed

switching with advanced bridging functions like VLAN, priority,

multicast filtering, link aggregation and port mirroring. It can also

support two different GBIC type as Mini GBIC LC and standard

GBIC SC.

Many comprehensive network management functions are provided,

such as Spanning Tree protocol for loop prevention and full

recovery, VLAN configuration and IGMP snooping for multicast

grouping configuration. VT100 console, remote telnet login, SNMP,

and Web Interfaces are all standard management features.

Features

_ Conforms to IEEE802.3,IEEE802.3u,IEEE802.3z ,IEEE802.3x

IEEE802.1p, IEEE802.3ac, IEEE802.1D, IEEE802.1Q



 24 auto-sensing 10/100Mbps Ethernet RJ-45 ports



 2 Expansion slots for optional modules: 1-port Duplex SC

Gigabit ( SX/LX ), 100Mbps Fiber ( SC/MT-RJ/VF-45 ),

1 RJ-45 for UTP or STP Gigabit 1000T Module with

Automatic MDI/MDIX support, Mini GBIC LC type and

Standard GBIC SC type.



 One Console-connecting port for communication parameter

configuration



 Auto-negotiation & Full-duplex/half-duplex supported



 Store-and- Forward error free packet forwarding scheme



 9.6 GB Backplane Bandwidth



 8K-entry MAC address table



 6Mbits share memory



 Full wire speed forwarding rate



 LED-indicators for Power, per port Link/Active, FDX/COL

10/100M Gigabit Module LK/ACT, FDX/ COL statuses

Intelligent Management Features



 Console and Telnet Configuration



 Web-based management



 SNMP network management



 IEEE 802.1Q Tagging VLAN and Port Based VLAN

supported



 IEEE802.3x Flow Control Mechanism is used in Full-Duplex

mode and back-pressure is used in half-duplex



 IEEE 802.1D Blocking, Learning, and Forwarding state are

supported for Spanning Tree Protocol



 IEEE 802.3ac Extends the maximum Ethernet Length to

1522 to Add the 4-Byte VLAN Tag



 IEEE802.1p, provides four levels priority per port, packets

are prioritized according to the source port or the 802.1p

priority tag



 Security Functions Supported



 IGMP Snooping and GMRP protocol supported



 Link Aggregation function supported



 Port Priority - 802.1p & TOS (Type of Service ) supported



 TFTP support for firmware on network upgrade



 Port Mirror supported

Package Contents

Unpack the carton of the LevelOne GSW-2490TXM SNMP Switch

and verify them against the checklist below.

LevelOne GSW-2490TXM SNMP Switch Rubber Feet

GSW-2490TXM

24-Port + 2 Slide-in Slot

SNMP Switch

Rack-mounted Kit RS-232 cable User Guide

Power Cord

Figure 1-2. Package Contents

Compare the contents of your LevelOne GSW-2490TXM SNMP

Switch package with the standard checklist above. If any item is

missing or damaged, please contact your local dealer for service.

Management Methods

The LevelOne GSW-2490TXM SNMP Switch supports following

management methods:



 Console and Telnet Management



 Web-based Management



 SNMP Network Management

Console and Telnet Management

Console Management is done through the RS-232 Console Port.

Managing the LevelOne GSW-2490TXM SNMP Switch in this

method requires a direct connection between PC and the LevelOne

GSW-2490TXM SNMP Switch. While Telnet management is done

over the network. Once the LevelOne GSW-2490TXM SNMP

Switch is on the network, you can use Telnet to Log in and change

the configuration.

SNMP Network Management

SNMP (Simple Network Management Protocol) provides a means

to monitor and control network device, and to manage

configurations, statistic collection, performance, and security.

Data is passed from SNMP agents, which are hardware & software

processes reporting activity in each network device to the

workstation console used to oversee the network. The agent return

information contained in a MIB (Management Information Base),

which is a data structure that defines what is obtainable from the

device and what can be controlled.

Hardware Description

This section mainly describes the hardware of the LevelOne GSW-

2490TXM SNMP Switch, and gives a functional overview of the

Switch.

The physical dimensions of the LevelOne GSW-2490TXM

SNMP Switch are: 440mmx 225mmx 44.5mm ( Lx Wx H )

Hardware Description

The LevelOne GSW-2490TXM SNMP Switch is a fixed 24-port

auto-sensing Ethernet RJ-45 connectors, and its chassis contains

two expansion slots. The optional modules come with the built-in

CPU module.

The Front Panel

The Front Panel of the LevelOne GSW-2490TXM SNMP Switch

consists of 24x auto-sensing 10/100Mbps Ethernet RJ-45 Ports, two

optional expansion slots, and Console port. The LED Indicators are

also located on the front panel of the Switch.

Figure 2-1. The Front Panel of LevelOne GSW-2490TXM SNMP Switch

10/100Base-TX RJ-45 ports ( Auto MDI/MDIX ):

24x 10/100Mbps auto-sensing port for 10Base-T or 100Base-TX

devices connection. Note: [ MDI/MDIX means that you can connect

LED Indicators

RJ-45 Ports

Console Port

Expansion Slots for Optional

Module

to another Switch or workstation without changing non-crossover or

crossover cabling. ]

Expansion Slots :

For two of the following Optional modules :

1 Port Gigabit 1000Base-T Intelligent Switch Modules,

1 Port Gigabit 1000Base-SX/LX Intelligent Fiber Modules.

1 Port 100Base-FX Intelligent Fiber Module

Console Port :

Console Management can be done through the Console Port. It

requires a direct connection between the LevelOne GSW-2490TXM

SNMP Switch and an end station ( PC ) via a RS-232 cable.

LED Indicators

All LED indicators are located on the front panel of the LevelOne

GSW-2490TXM SNMP Switch. They provide a real-time indication

of system and operational status. The following table

gives descriptions of the LED status and their meanings.

LED Status Description

Green Power On

PWR

Off Power is Off.

Green The port is operatin

at the speed of 100Mbps.

100

Off No device attached or in 10Mbps mode

Figure 2-2 The LED

Indicators

Green The port is connecting with the device.

Blinks The port is receiving or transmitting data.

LK/ACT

Off No device attached.

Yellow 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 .

Table 2-1. The Descriptions of LED Indicators

Rear Panel

The 3-pronged power plug, On/off Switch are located at the Rear

Panel of the LevelOne GSW-2490TXM SNMP Switch. ( The

Ventilation fan is located on the side of the Switch ). The Switch will

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

Figure 2-3. The Rear Panel of the LevelOne GSW-2490TXM SNMP

Switch

Power On

After all network cables are connected, plug the power cord into the

power socket on the back panel and the other end into a power

outlet. Turn the power On using the power Switch on the back

panel.

Check the front panel Power indicator to see if power is properly

supplied. The Switch uses a universal power supply that requires no

additional adjustment.

Diagnostic Test

After the installation is completed and AC power is applied to the

Switch, the system will automatically perform a diagnostic test.

When the Power LED is on within 5 seconds, the Diagnostic status

LEDs will soon flash red.

When the Switch passes the self-test within 15 seconds, the Link

/ACT LED turns on.

Note : If the Switch fails the self-test, the Diag LED will blink.

Connecting to the Network

This section provides the installation procedure and instructions for

assigning IP address.

Pre-Installation Requirements

Before you start hardware installation, make sure your installation

environment has below items:

PCs with 10/100Mbps Ethernet NICs/ 100Mbps Fiber NICs:

Your PC must have a standard Ethernet interface to connect to

the Switch.

UTP cable with RJ45 connectors/ Fiber cable with MT-RJ/

VF-45 connectors: Check if the cable and connectors work

properly.

A power outlet: 100 to 240V AC at 50 to 60 Hz: Make sure

that the Switch power is accessible and cables can be

connected easily.

Dedicated power supply: Use dedicated power circuits or

power conditioners to supply reliable electrical power to the

network devices.

A dry cool place: Keep the Switch away from moisture. Avoid

direct sunlight, heat source, and high amount of electromagnetic

interference around.

Mounting tools: If you intend to mount the Switch on a rack,

make sure you have all the tools, mounting brackets, screws

etc.

Caution:

Cabling must be away from sources of electrical noise such as

radio, computers, transmitters, broadband amplifiers, power

lines and keep away from TVs, hair dryers, and microwave.

Air flow around the Switch and through its vents on the rear

cannot be restricted.

Mounting the Switch

The LevelOne GSW-2490TXM SNMP Switch is suitable for use in

an office environment where it can be rack-mounted in standard EIA

19-inch racks or standalone.

Desktop Mounting

1. Set the Switch on a sufficiently large flat space with a power

outlet nearby, and about the center of all networked devices.

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

grease dust free.

3. Remove adhesive backing from your Rubber Feet.

Figure 3-1. Attaching Rubber Feet to each corner

on the bottom of the Switch

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

Switch. These footpads can prevent the Switch from

shock/vibrations.

Caution: Do not place objects on top of the Switch.

Rack-mounted Installation

The LevelOne GSW-2490TXM SNMP Switch come with a rack-

mounted kid 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.

Figure 3-2. Attach mounting brackets with screws

B. After attached both mounting brackets, position the LevelOne

GSW-2490TXM SNMP Switch ( UTP/MT-RJ/VF-45 ) Switch 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.

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