NOM Statement
FCC and IC RFI Statements; CE Notice
NOM Statement
LGB304A
LGB304AE
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.
FEDERAL COMMUNICATIONS COMMISSION
and INDUSTRY CANADA
Normas Oficiales Mexicanas (NOM)
Electrical Safety Statement
INSTRUCCIONES DE SEGURIDAD
RADIO FREQUENCY INTERFERENCE STATEMENTS
USB-Powered Gigabit 4-Port Switch
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las recomendaciones del
fabricante.
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:
1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato
eléctrico sea operado.
15. En caso de existir, una antena externa deberá ser localizada lejos de las lineas de energia.
Powered through your PC’s USB port so there’s
no need to find a spare outlet.
2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.
16. El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un
largo periodo de tiempo.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de operación deben ser
respetadas.
Bring Gigabit speeds to your small network.
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la
cubierta u orificios de ventilación.
4. Todas las instrucciones de operación y uso deben ser seguidas.
• Reorient or relocate the receiving antenna.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
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.
• 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.
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales que sean
recomendados por el fabricante.
B: Objectos han caído o líquido ha sido derramado dentro del aparato; o
C: El aparato ha sido expuesto a la lluvia; o
• Consult an experienced radio/TV technician for help.
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea recomendado
por el fabricante.
Caution:
D: El aparato parece no operar normalmente o muestra un cambio en su desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.
Changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
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.
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.
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.
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.
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.
© Copyright 2013. Black Box Corporation. All rights reserved. Black Box® 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.
CE WARNING:
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.
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.
LGB304A, rev. 1
12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo
no sea eliminada.
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
Customer
Support
Information
FREE! Live, 24/7 Tech Support is just 30 seconds away.
724-746-5500
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blackbox.com
•
E-mail: [email protected]
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LGB304A, rev. 1
LGB304A, rev. 1
724-746-5500 | blackbox.com
Chapter 2: Overview
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Chapter 2: Overview
Chapter 1: Specifications; Chapter 2: Overview
Chapter 3: Installation
1. Specifications
Buffer Memory — 1 MB
2.2 Features
• Autonegotiates 10-/100-/1000-Mbps speeds.
3. Installation
To install the switch:
Certifications — FCC Class B, CE
• Pocket-sized, with metal case.
1. Connect your network devices to the unit‘s RJ-45 ports.
Filtering/Forwarding Rates — 1000-Mbps port: 1,488,000 pps;
100-Mbps port: 148,800 pps;
10-Mbps port: 14,880 pps
• Auto-detects full-/half-duplex modes for any port.
• Dedicated full-duplex 2000-Mbps bandwidth.
• Uses store-and-forward switching methods.
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.
MAC Addresses — 2K
• 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.
Standards — IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab
1000BASE-T, IEEE 802.3x flow control
USB cable
2
Transmission Media — 10BASE-T CAT3, 4, 5 UTP/STP;
100BASE-TX CAT5 UTP/STP;
1000BASE-T CAT5e UTP/STP
• Smart plug-and-play.
Figure 2-2. LGB304A/LGB304AE side panel.
Laptop
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 [email protected].
Transmission Method — Store-and-forward
Table 2-1. LGB304A/LGB304AE switch components.
Connectors — On unit: (4) RJ-45 ports;
On cable: (1) USB Type A, (1) barrel connector for power
Ethernet cable
Number in
Figures 2-1
and 2-2
• USB-Powered Gigabit 4-Port Switch
• Power adapter
Indicators — (1) Power LED, (4) Link/Act LEDs (one per port)
Component
(1) Power LED
(4) RJ-45 ports
Description
Temperature Tolerance — Operating: 32 to 104° F (0 to 40° C);
Storage: -4 to 194° F (-20 to +90° C)
• USB cable
Ethernet cable
On when power to the switch is on.
Off when power to the switch is off.
• (2) magnets
1
2
Relative Humidity — 10 to 90%, noncondensing
• (4) rubber feet
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;
• This user’s manual
Connect RJ-45 peripherals to switch Ports 1–4.
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.
On when port is connected.
Network devices
Output: 5 VDC, 1.2 A, 6 W;
3
(4) Link/Act LEDs
Off when there is no connection.
Flashing when data is transmitted or received.
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)
Figure 3-1. Typical installation.
4
5
Power connector
Links to USB power source.
Used for airflow.
2. Overview
2.1 Introduction
Vents
4
5
5
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.
3
1
Figure 2-1. LGB304A/LGB304AE top and front panels.
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Rotate enire bottm section of pages before sending to the printer. See example at right for placement. Questions see shari.
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