Black Box LGB304A Manual

Black Box Netværkskort/adapter LGB304A

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Powered through your PC’s USB port so there’s

no need to find a spare outlet.

Bring Gigabit speeds to your small network.

USB-Powered Gigabit 4-Port Switch

LGB304A

LGB304AE

Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S.

call 724-746-5500) FREE technical support 24 hours a day, 7 days a

week: Call 724-746-5500 or fax 724-746-0746 Mailing address:

Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018

Web site: www.blackbox.com • E-mail: info@blackbox.com

Customer

Support

Information

NOM Statement

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LGB304A, rev. 1

Normas Oficiales Mexicanas (NOM)

Electrical Safety Statement

INSTRUCCIONES DE SEGURIDAD

1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato

eléctrico sea operado.

2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.

3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de operación deben ser

respetadas.

4. Todas las instrucciones de operación y uso deben ser seguidas.

5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo, cerca

de la tina de baño, lavabo, sótano mojado o cerca de una alberca, etc.

6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales que sean

recomendados por el fabricante.

7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea recomendado

por el fabricante.

8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá a lo descrito

en las instrucciones de operación. Todo otro servicio deberá ser referido a personal de

servicio calificado.

9. El aparato eléctrico debe ser situado de tal manera que su posición no interfiera su uso. La

colocación del aparato eléctrico sobre una cama, sofá, alfombra o superficie similar puede

bloquea la ventilación, no se debe colocar en libreros o gabinetes que impidan el flujo de

aire por los orificios de ventilación.

10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores,

registros de calor, estufas u otros aparatos (incluyendo amplificadores) que producen calor.

11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en

el instructivo de operación, o como se indique en el aparato.

12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo

no sea eliminada.

FCC and IC RFI Statements; CE Notice

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LGB304A, rev. 1

FEDERAL COMMUNICATIONS COMMISSION

and INDUSTRY CANADA

RADIO FREQUENCY INTERFERENCE STATEMENTS

Class B Digital Device. This equipment has been tested and found to comply with the limits for a

Class B computing device pursuant to Part 15 of the FCC Rules. These limits are designed to

provide reasonable protection against harmful interference in a residential installation. However,

there is no guarantee that interference will not occur in a particular installation. This equipment

generates, uses, and can radiate radio frequency energy, and, if not installed and used in

accordance with the instructions, may cause harmful interference to radio communications. If this

equipment does cause harmful interference to radio or telephone reception, which can be

determined by turning the equipment off and on, the user is encouraged to try to correct the

interference by one of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is

connected.

• Consult an experienced radio/TV technician for help.

Caution:

Changes or modifications not expressly approved by the party responsible for compliance

could void the user’s authority to operate the equipment.

To meet FCC requirements, shielded cables and power cords are required to connect this

device to a personal computer or other

Class B certified device. This digital apparatus does not exceed the Class B limits for radio

noise emission from digital apparatus set out in the Radio Interference Regulation of Industry

Canada.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites

applicables aux appareils numériques de classe B prescrites dans le Règlement sur le brouillage

radioélectrique publié par Industrie Canada.

CE WARNING:

This is a Class B product. In a domestic environment, this product may cause radio interference

in which case the user may be required to take adequate measures.

and the Double Diamond

logo are registered trademarks of BB Technologies, Inc. Any third-party trademarks appearing in

this manual are acknowledged to be the property of their respective owners.

FREE! Live, 24/7 Tech Support is just 30 seconds away.

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LGB304A, rev. 1

NOM Statement

Rotate enire bottm section of pages before sending to the printer. See example at right for placement. Questions see shari.

13. Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni

pellizcados por objetos colocados sobre o contra ellos, poniendo particular atención a los

contactos y receptáculos donde salen del aparato.

14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las recomendaciones del

fabricante.

15. En caso de existir, una antena externa deberá ser localizada lejos de las lineas de energia.

16. El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un

largo periodo de tiempo.

17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la

cubierta u orificios de ventilación.

18. Servicio por personal calificado deberá ser provisto cuando:

A: El cable de poder o el contacto ha sido dañado; u

B: Objectos han caído o líquido p1-ha sido derramado dentro del aparato; o

C: El aparato ha sido expuesto a la lluvia; o

D: El aparato parece no operar normalmente o muestra un cambio en su desempeño; o

E: El aparato p1-ha sido tirado o su cubierta p1-ha sido dañada.

3 1

Chapter 2: Overview

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Page 2

LGB304A, rev. 1

2.2 Features

• Autonegotiates 10-/100-/1000-Mbps speeds.

• Pocket-sized, with metal case.

• Auto-detects full-/half-duplex modes for any port.

• Dedicated full-duplex 2000-Mbps bandwidth.

• Uses store-and-forward switching methods.

• Supports IEEE 802.3x flow control for full-duplex and backpressure flow control for half-duplex.

• Supports non-blocking and non-head-of-line blocking full wire speed forwarding.

• All ports have Auto-MDI/MDI-X.

• Smart plug-and-play.

2.3 What’s Included

Your package should include the following items. If anything is missing or damaged, contact

Black Box Technical Support at 724-746-5500 or info@blackbox.com.

• USB-Powered Gigabit 4-Port Switch

• Power adapter

• USB cable

• (2) magnets

• (4) rubber feet

• This user’s manual

2.4 Hardware Description

Figures 2-1 and 2-2 show the top, front, and side panels of the switch. Table 2-1 describes the

components.

Figure 2-1. LGB304A/LGB304AE top and front panels.

Figure 2-2. LGB304A/LGB304AE side panel.

Table 2-1. LGB304A/LGB304AE switch components.

Number in

Figures 2-1

and 2-2 Component Description

1 (1) Power LED

On when power to the switch is on.

Off when power to the switch is off.

2 (4) RJ-45 ports Connect RJ-45 peripherals to switch Ports 1–4.

3(4) Link/Act LEDs

On when port is connected.

Off when there is no connection.

Flashing when data is transmitted or received.

4 Power connector Links to USB power source.

5Vents Used for airflow.

3. Installation

To install the switch:

1. Connect your network devices to the unit‘s RJ-45 ports.

2. Connect the included USB cable from your laptop or computer to power the switch, or

connect the power supply to the switch.

Figure 3-1 shows a typical installation.

Figure 3-1. Typical installation.

Chapter 2: Overview

724-746-5500 | blackbox.com

Page 3

LGB304A, rev. 1

Chapter 3: Installation

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Page 4

LGB304A, rev. 1

Chapter 1: Specifications; Chapter 2: Overview

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Page 1

LGB304A, rev. 1

1. Specifications

Buffer Memory — 1 MB

Certifications — FCC Class B, CE

Filtering/Forwarding Rates — 1000-Mbps port: 1,488,000 pps;

100-Mbps port: 148,800 pps;

10-Mbps port: 14,880 pps

MAC Addresses — 2K

Standards — IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab

1000BASE-T, IEEE 802.3x flow control

Transmission Media — 10BASE-T CAT3, 4, 5 UTP/STP;

100BASE-TX CAT5 UTP/STP;

1000BASE-T CAT5e UTP/STP

Transmission Method — Store-and-forward

Connectors — On unit: (4) RJ-45 ports;

On cable: (1) USB Type A, (1) barrel connector for power

Indicators — (1) Power LED, (4) Link/Act LEDs (one per port)

Temperature Tolerance — Operating: 32 to 104° F (0 to 40° C);

Storage: -4 to 194° F (-20 to +90° C)

Relative Humidity — 10 to 90%, noncondensing

Power — Type of power plug: LGB304A: U.S.;

LGB304AE: EU;

Input from USB port or supplied power adapter: 100/240 VAC,

50/60 Hz, 0.2 A;

Output: 5 VDC, 1.2 A, 6 W;

Consumption: 2.25 watts max.

Size — 0.8"H x 2.4"W x 3.1"D (2 x 6.2 x 7.9 cm)

Weight — 0.4 lb. (0.2 kg)

2. Overview

2.1 Introduction

The USB-Powered Gigabit 4-Port Switch provides (4) 10-/100-/1000-Mbps ports. This portable

switch is great for setting up impromptu networks or expanding the number of available ports.

The switch can be powered by USB, so it’s ideal for situations where the number of power outlets

is limited.

Laptop

USB cable

Ethernet cable

Network devices

4 5

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Produkt Specifikationer

Mærke:	Black Box
Kategori:	Netværkskort/adapter
Model:	LGB304A
Vekselstrømsindgangsspænding:	115 V
Vekselstrømsindgangsfrekvens:	60 Hz
Bredde:	62 mm
Dybde:	79 mm
Højde:	20 mm
Vægt:	200 g
Produktfarve:	Sort
Certificering:	FCC, CE
Strømforbrug (maks.):	3.3 W
Netværksstandarder:	IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3x
LED-indikatorer:	Ja
AC-adapter inkluderet:	Ja
Plug and play:	Ja
Fuld duplex:	Ja
Switch-type:	Ikke administreret
10G understøttelse:	Ingen
Flowkontrol support:	Ja
Kobber ethernet kabelteknologi:	10BASE-T, 100BASE-TX, 1000BASE-T
Basis omskiftning RJ-45 Ethernet porte, antal:	4
Basis omskiftning RJ-45 Ethernet porttype:	Gigabit Ethernet (10/100/1000)
Opbevar-og-frem:	Ja
MAC adresselabel:	1000 entries
Switch kapacitet:	- Gbit/sek.
Auto-forhandling:	Ja
Pakke videresendelsesrate (1 Gbps):	1488000 pps
Pakke videresendelsesrate (100 Mbps):	148800 pps
Pakke videresendelsesrate (10 Mbps):	14880 pps
Inkluderede strømstik typer:	US