Asante FriendlyNET 2024P Manuale utente

Page 1

Asanté FriendlyNET 2024P

Dual Speed Hub

User’s Guide

Introduction

Congratulations on your purchase of a FriendlyNET dual speed hub.This 24-

port hub complies fully with IEEE802.3 and IEEE802.3u standards.

All ports accept twisted-pair cable and provide automatic media detection and

auto-negotiation of 10Base-T or 100Base-TX devices.The hub also provides an

uplink push button for the 12th port, which can be cascaded to another hub via

straight-through cable.

The dual speed hub can be placed on a tabletop or rack mounted. With

unmatched ﬂexibility, it ensures efﬁcient operation in any LAN environment,

regardless of size.

Features

The FriendlyNET 2024P Dual Speed Hub has the following features:

❑

24 10/100Mbps auto-sensing ports

❑

Compliance with IEEE802.3 and IEEE802.3u Ethernet standards

❑

One up-link push button for cascading

❑

Global LEDs: Power indicator, 10Mbps and 100Mbps collision

❑

Port LEDs: Link/Activity for both 10Mbps and 100Mbps

❑

Automatic partitioning of faulty ports

❑

Hub segmentation to reduce collisions

❑

13-inch rack mount width

❑

CE mark certiﬁcation

❑

Internal switching power supply

User’s Guide

Page 2

Package Contents

The package contains the following items:

❑

(1)

FriendlyNET 2024P Dual Speed Hub

❑

(1) AC power cord

❑

(4) Self-adhesive rubber feet

❑

(1) Rack-mount kit, which includes two rack-mounting brackets and

mounting screws

❑

User’s Guide (this book)

Front Panel Information

The following sections describe the key features of the FriendlyNET 2024P

Dual Speed Hub front panel and how to use them.

Figure 1 2024P hub front panel

LEDs

The LEDs on the front panel provide visual evidence of the status of the

following items:

❑

Hub power supply

❑

Transmission and collision indicator

❑

Connection (link) speed of 10Mbps or 100Mbps

❑

Data activity on each segment

The arrangement of th LEDs on the front panel is shown in Figure 2.

Front Panel Information

Page 3

Figure 2 LEDs on 2024P hub

If the power LED is OFF, check the following to isolate the problem:

❑

Make sure the power cord is properly connected to the power outlet

and is properly inserted into the power connection on the hub

❑

Determine whether the outlet is functional by plugging another

device into it

Table 1 Power LED (PWR)

LED Indicator Color Description

Power Green The unit is powered on and ready for use

Off The unit is powered off

Table 2 Collision LEDs (100M, 10M COL)

LED Indicator Color Description

Collision Off There are no collisions

Blinking Yellow There is data transmission, and collisions are occur-

ring

User’s Guide

Page 4

Hub Ports

There are twenty-four RJ-45 connectors on the front panel.The 10Mbps

or100Mbps speed of each port is automatically determined when you connect

the hub to 10Base-T or 100Base-Tx devices.

Normal/Uplink Push Button

One Normal/Uplink push button is located at the right end of the front panel.

You can use it to change the connection mode of the 12th port on the hub, for

connecting to either a PC or another hub.The default setting is in the Normal

(MDI-X) position, which is the “out” position.The port is conﬁgured to

connect with a PC when the button is in this position. When the push button is

pressed in (MDI), it allows you to connect with another hub using straight-

through twisted pair cable. See “Interconnecting Hubs” for details.

Rear Panel Information

The following sections describe the elements of the rear panel of the

FriendlyNET 2024P Dual Speed Hub.

Figure 3 2024P hub rear panel

Table 3 Link/Activity LEDs (100M, 10M Link/Act)

LED Indicator Color Description

Link/Activity Off No link pulse detected at this speed on the port

Green A link pulse has been detected at this speed on the

port

Blinking Green Data transmission is occurring on the link at this

speed

Placing or Rack Mounting the Hub

Page 5

Power Cord Connector (100-240VAC)

The power cord connector may be connected to any power source within the

indicated voltage range.The internal power supply switch will automatically set

the appropriate voltage.

Power Control Switch

Use this switch to power the unit off when connecting it to a power source, and

power it on when it is properly connected to power.Installation

Thefollowingsections covertheproceduresyou needto followin orderto place

your FriendlyNET 2024P Dual Speed Hub and connect it to workstations or

other hubs.

Placing or Rack Mounting the Hub

The FriendlyNET 2024P Dual Speed Hub is supplied with two mounting

brackets, six screws, and four rubber feet for mounting the rack or placing it on

a ﬂat surface.

Placing the Hub on a ﬂat surface

Apply the four rubber feet near the four corners of the

bottom of the unit.

Put the unit on the ﬂat surface.

Mounting the Hub in a Rack

Place a mounting bracket over the mounting holes on

each end of the unit.

Insert each screw through the bracket and into a mounting

hole in the hub as shown in Figure 4.

Insert the unit into your 13-inch rack.

Figure 4 Rack mounting bracket

User’s Guide

Page 6

Connecting Stations to Hub Ports

Use the following procedure to connect a 10Base-T or 100Base-TX Ethernet

server or workstation to the hub.

Keep in mind that you can connect or disconnect network cable segments from

the hub while the power is on. plugging in or removing network cables while

your hub is running will not interrupt the operation of the hub.

Make sure that the length of the straight-through cable

between the hub and the station does not exceed 100

meters, including all patch cables and cross connect wires.

10Base-T twisted pair Ethernet cabling should be to Cate-

gory 3 standards, and 100Base-TX twisted pair Fast Eth-

ernet cabling should be to Category 5 standards.

Connectoneend ofthe cableto the RJ-45connector onthe

hub, and the other end to the workstation or server, as

shown in Figure 5.

Figure 5 Connecting a station to a hub port

Interconnecting Hubs

Page 7

Interconnecting Hubs

Use the following procedure to connect your FriendlyNET 2024P Dual Speed

Hub to another hub in a cascading conﬁguration.

Obtain a straight-through cable (Category 3 for 10Mbps

only, Category 5 for all others) that does not exceed 5

meters in length, including all patch cables and cross con-

nect wires.

Connect one end of the cable to the 12th (uplink) port of

your hub.

Connect the other end of the cable to any port of the other

hub

except

the uplink port on that hub.The connections

should be as shown in Figure 6.

Press the Uplink button next to the 12th port on your hub.

Figure 6 Interconnecting two hubs

You can connect hubs together using other ports than the uplink port, but in

this case, you must use a cross-over cable.

User’s Guide

Page 8

Product Speciﬁcations

Standards supported

IEEE 802.3 Ethernet standard,

IEEE 802.3u Fast Ethernet standard

Interfaces

24 RJ-45 Connectors for 10Base-T

and 100Base-Tx Fast Ethernet

Input voltage

100 to 240 VAC at 50 to 60 Hz

Power consumption

30 W

Cabling

Category 3 for 10Mbps only, Category 5 for all

others

Operating temperature

0 to 40° C

Storage Temperature

-20 to 70° C

Operating Humidity

10 to 90% RH

Storage Humidity

5 to 90% RH

Dimensions

330mm (13”) X 43mm X 230.5mm

Weight

2.6Kg (5.69lb)

Certiﬁcation

FCC Class A, CE Class A, VCCI 1

ASANTÉTECHNOLOGIES, INC., 821 FOX LANE, SAN JOSE, CA 95131

PHONE: 800.622.7464 • FAX: 801.566.3787 • e-mail address: [email protected] •

World Wide Web site: http://www.asante.com

All brand names and products are trademarks or registered trademarks of their respective holders.

June 1999

Part Number 06-00519-00

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