Black Box LGB4005A User manual

BL A C K B O X®
Provides five Gigabit ports.
Designed for small to medium workgroups.
Gigabit 5-Port Switch
LGB4005A
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 [phone] • Mailing address:
Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: [email protected]
Customer
Support
Information

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Gigabit 5-Port Switch
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 interfer-
ence 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 com-
pliance could void the user’s authority to operate the equipment.
To meet FCC requirements, shielded cables and power cords are required to con-
nect 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.

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NOM Statement
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.

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Gigabit 5-Port Switch
12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización
del equipo no sea eliminada.
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 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 ha sido tirado o su cubierta ha sido dañada.

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Table of Contents/Trademarks Used in this Manual
Table of Contents
1. Specifications ............................................................................................6
2. Overview .................................................................................................7
2.1 Introduction .......................................................................................7
2.2 Features..............................................................................................7
2.3 What’s Included .................................................................................7
2.4 Hardware Description ........................................................................8
2.4.1 Front Panel...............................................................................8
2.4.2 Back Panel ...............................................................................9
3. Installation ..........................................................................................10
3.1 Connecting a Switch/Hub to the 5-Port Gigabit Switch.................10
3.2 Connecting PC or Other Devices to the Gigabit Switch..................10
4. LED Indicators .......................................................................................... 11
Trademarks Used in this Manual
Black Box and the Double Diamond logo are registered trademarks of
BB Technologies, Inc.
Mac is a registered trademark of Apple, Inc.
Any other trademarks mentioned in this manual are acknowledged to be
the property of the trademark owners.

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Gigabit 5-Port Switch
1. Specifications
Buffer Memory: 104 KB
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
Jumbo Frames: 9 KB
MAC Address: 1K
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: (5) RJ-45
Indicators: (6) LEDs: (5) LINK/ACT, (1) Power
Temperature Tolerance: Operating: 32 to 131° F (0 to 55° C);
Storage: -4 to 194° F (-20 to 90° C)
Relative Humidity: 10 to 90%, noncondensing
Power: 120–240 VAC, 50–60 Hz power supply, 8.25 watts maximum
Size: 1.7"H x 4.8"W x 8.9"D (4.4 x 12.3 x 22.8 cm)
Weight: 2.6 lb. (1.2 kg)

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Chapter 2: Overview
2. Overview
2.1 Introduction
The Gigabit 5-Port Switch provides five 10-/100-/1000-Mbps Ethernet ports. Use
the switch for high-performance networks with increasing numbers of users.
The compact desktop-sized switch is easy to install. It‘s ideal for small to medium
workgroups, and you can install it where space is limited.
Plus, the switch supports USB port-powered operation, so you can use it in rooms
that have limited power outlets.
2.2 Features
• Autonegotiates speed between 10, 100, and 1000 Mbps
• Housed in a 9" desktop-sized metal case
• Installs in a 10"/19" cabinet using rackmount kits
• Automatically learns networking configurations
• Automatically detects full-/half-duplex modes for any port'
• Provides dedicated 2000-Mbps bandwidth
• Uses store-and-forward switching methods
• Offers IEEE 802.x flow control for full-duplex and backpressure flow control for
half-duplex
• Includes non-blocking and non-head-of-line blocking full-wire-speed forwarding
• Provides Auto MDI/MDI-X function for any port, so you don’t need crossover
cables
• Easy to install, just 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 [e-mail].
• Gigabit Ethernet switch
• Power adapter
• USB cable
• This user‘s manual

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Gigabit 5-Port Switch
2.4 Hardware Description
2.4.1 Front Panel
Figures 2-1 shows the front panel of the switch. Table 2-1 describes its components.
1 2, 3 4
Figure 2-1. LGB4005A front panel.
Table 2-1. LGB4005A front-panel components.
Number Component Description
1 Power LED Lights when the unit’s power is on
2 (5) LEDs LINK/ACT LEDs flash when data is being
transmitted or received
3 (5) LEDs 1000 M LEDs light when the ports are
operating at 1000 Mbps
4 (5) RJ-45 ports Link to switch/hubs, PCs, or other devices

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Chapter 2: Overview
2.4.2 Back Panel
Figure 2-2 shows the back panel of the switch. Table 2-2 describes its components.
5 6
Figure 2-2. LGB4005A back panel.
Table 2-2. Back-panel components.
Number Component Description
5 Switch Power On/Off
6 Outlet Connects to 100–240 VAC power source

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Gigabit 5-Port Switch
3. Installation
3.1 Connecting Switch/Hubs to the 5-Port Gigabit Ethernet
Switch
This switch features Auto-MDI/MDI-X, so it’s easy to link to another switch without
crossover cable.
PCs
Ethernet switch
PCs
PCs
Dual-speed
hub
Ethernet
switch
5-Port Gigabit switch
Figure 3-1. Connecting a switch/hub.
3.2 Connecting PCs/Other Devices to the Gigabit Ethernet
Switch
Use straight-through twisted-pair cable to connect the switch to PCs, servers, and
other devices.
PC Mac®Workstation Server
5-Port Gigabit Switch
Figure 3-2. Connecting PCs/other devices.

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Chapter 4: LED Indicators
4. LED Indicators
Table 4-1 describes the LED indicators’ functions.
LED Status Operation
Power On Power is on.
Off Power is off.
LINK/ACT On Port is connected.
Off Port is not connected.
Flashing Data is being transmitted or received.
1000 M On Port is operating at 1000 Mbps.
Off Port is operating at 10/100 Mbps.

Chapter
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About Black Box
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LGB4005A, rev. 1