LevelOne GSW-2490TXM Manuale utente
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LevelOne
GSW-2490TXM
24-Port + 2 Slide-in Slots SNMP Switch
1.
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. …
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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
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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
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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
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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.
2.
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
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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
g
at the speed of 100Mbps.
100
Off No device attached or in 10Mbps mode
Figure 2-2 The LED
Indicators
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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
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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.
3.
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.
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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.
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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.
Indice
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