Black Box LGB416A Manuale utente

BL A C K B O X®

Connect up to 16 or 24 Gigabit Ethernet, Fast

Ethernet, or Ethernet devices to your network.

Auto-negotiation means every port can automatically sense the mode

and speed of connected network devices.

16-/24-Port 10/100/1000 RJ-45 Unmanaged Gigabit Switches

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

LGB416A

LGB424A

Page 2 724-746-5500 | blackbox.com

FCC, IC, and CE Statements

FEDERAL COMMUNICATIONS COMMISSION AND

INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS

This equipment generates, uses, and can radiate radio-frequency energy,

and if not installed and used properly, that is, in strict accordance with the

manufacturer’s instructions, may cause interference to radio communication.

It has been tested and found to comply with the limits for a Class A computing

device in accordance with the specifications in Subpart B of Part 15 of FCC rules,

which are designed to provide reasonable protection against such interference

when the equipment is operated in a commercial environment. Operation of

this equipment in a residential area is likely to cause interference, in which case

the user at his own expense will be required to take whatever measures may be

necessary to correct the interference.

Changes or modifications not expressly approved by the party responsible

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

This digital apparatus does not exceed the Class A 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 la classe A 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

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.

Page 4 724-746-5500 | blackbox.com

NOM Statement

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.

Page 5

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Trademarks Used in this Manual

Black Box and the Double Diamond logo are registered trademarks of

BB Technologies, Inc.

Any other trademarks mentioned in this manual are acknowledged to be

the property of the trademark owners.

Page 6 724-746-5500 | blackbox.com

Table of Contents

Chapter Page

1. Specifications ..........................................................................................7

2. Overview ..........................................................................................8

2.1 Introduction ....................................................................................8

2.2 Features ..........................................................................................8

2.3 What’s Included ..............................................................................8

2.4 Hardware Description .....................................................................9

2.4.1 LGB416A............................................................................9

2.4.2 LGB424A..........................................................................10

3. Installation ........................................................................................11

3.1 Connecting a Switch/Hub to the 16-/24-Port Gigabit Ethernet

Switch ........................................................................................ 11

3.2 Connecting a PC/Other Device(s) to the 16-/24-Port Gigabit

Ethernet Switch.............................................................................11

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Chapter 1: Specifications

1. Specifications

Buffer Memory — LGB416A: 340 KB;

LGB424A: 500 KB

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

100 Mbps port: 148,000 pps;

10 Mbps port: 14,880 pps

Jumbo Frames — 9.6 KB

MAC Addresses— 8 K

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-TX: CAT5e UTP/STP

Transmission Method — Store-and-Forward

Connectors — LGB416A: (16) RJ-45;

LGB424A: (24) RJ-45

Indicators — LGB416A: (16) Link/Act LEDs, (16) 1000M LEDs;

LGB424A: (24) Link/Act LEDs, (24) 1000M LEDs

Temperature Tolerance — Operating: 32 to 131° F (0 to 55° C);

Storage: -4 to +194° F (-20 to +90° C)

Power — 90–260 VAC, 50–60 Hz;

Consumption: 20 Watts maximum

Size — 1.7"H x 17.3"W x 8.7"D (4.4 x 44 x 22 cm)

Weight — LGB416A: 6.4 lb. (2.9 kg);

LGB424A: 6.6 lb. (3 kg)

Page 8 724-746-5500 | blackbox.com

Chapter 2: Overview

2. Overview

2.1 Introduction

The 10/100/1000 RJ-45 Unmanaged Switches provide 16 or 24 10/100/1000

Mbps ports. They’re easy to install and provide high performance in an

environment where trafffic on the network and the number of users increases

continuously. The switches support the highest speed even when operating in

full-duplex mode.

The switches also provide automatic crossover detection on each port. It’s simple

and friendly to uplink to another switch without a crossover cable.

Use the switches for medium to large workgroups. It’s easy to upgrade network

capacity, and you can mount the switches in a 19" rack or cabinet.

2.2 Features

• Complies with IEEE 802.3 Ethernet, IEEE 802.3u Fast Ethernet, and IEEE 802.3ab

Gigabit Ethernet standards.

• Has 16 or 24 autonegotiating 10/100/1000 ports.

• Fits in a 19" rack or cabinet.

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

• Supports store-and-forward operation.

• Provides 8K MAC address entry.

• Supports broadcast storm filtering.

• All ports provide Auto-MDI/MDI-X crossover.

• Uses backpressure flow control for half-duplex operation, and IEEE 802.3x for

full-duplex mode.

• Smart plug-and-play.

2.3 What’s Included

Your package should contain the following items. If anything is missing

or damaged, contact Black Box Technical Support at 724-746-5500

or info@blackbox.com.

• (1) 16- or 24-Port 10/100/1000 RJ-45 Unmanaged Gigabit Switch

• (1) rackmount kit (includes [2] brackets, [8] screws)

• (1) AC power cord

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Chapter 2: Overview

• This user‘s manual

2.4 Hardware Description

2.4.1 LGB416A

Figures 2-1 and 2-2 show the front and back panel of the 16-port switch. Table

2-1 describes its components.

1 2, 3 4

Figure 2-1. LGB416A front panel.

5 6

Figure 2-2. LGB416A back panel.

Table 2-1. 16-port switch components.

Number Component Description

1Power LED Lights when power to the unit is on

2(16) Link/Act LEDs

On: Link is on

Flashing: Data present

3(8) 1000M LEDs

On: Link running at 1000 Mbps

Off: Link running at 10/100 Mbps

4(16) RJ-45 connectors Link to switches/hubs, PCs, servers, or other network devices.

5On/Off switch Press to power on/off the unit.

63-prong connector Attaches to a 90–260 VAC, 50–60 Hz power cord (included).

Page 10 724-746-5500 | blackbox.com

Chapter 2: Overview

2.4.2 LGB424A

Figures 2-3 and 2-4 show the front and back panel of the 24-port switch. Table

2-2 describes its components.

1 2, 3 4

Figure 2-3. LGB424A front panel.

5 6

Figure 2-4. LGB424A back panel.

Table 2-2. 24-port switch components.

Number Component Description

1Power LED Lights when power to the unit is on

2(24) Link/Act LEDs

On: Link is on

Flashing: Data present

3(24) 1000M LEDs

On: Link running at 1000 Mbps

Off: Link running at 10/100 Mbps

4(24) RJ-45 connectors Link to switches/hubs, PCs, servers, or other network devices.

5On/Off switch Press to power on/off the unit.

63-prong connector Attaches to a 90–260 VAC, 50–60 Hz power cord (included).

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