Provides (8) 10-/100-/1000-Mbps RJ-45 ports.
Contents
1. AC LINE 100 240VAC 50 60Hz 1A 5 Figure 2 2 Back panel Table 2 2 Back panel components Number Name Description Insert 90 240 VAC 5 T a 50 60 Hz power ESOS supply cord here Page 12 724 746 5500 blackbox com Chapter 3 Installation 3 Installation 3 1 Connecting the Switch to PCs Servers and Other Network Devices Use straight through twisted pair cable CATS to connect the Switch to PCs servers and other network devices See Figure 3 1 8 Port Gigabit Unmanaged Switch LGB408A R2 PC Mac Server Workstation Figure 3 1 Connecting to PCs servers and other network devices 724 746 5500 blackbox com Page 13 Chapter 3 Installation 3 2 Connecting the Switch to a Switch or a Hub Use the straight through twisted pair cable to connect the switch to another switch or hub on the uplink port Connected to Port 2 CATx cable on switch 1 Connected to Port 1 uplink port on switch 2 Figure 3 2 Connecting the switch to a switch or hub Page 14 724 746 5500 blackbox com Chapter 3 Installations 3 3 Application Diagram 8 Port Gigabit Unmanaged Switch LGB408A Dual Speed Hub Gigabit Ethernet eens A Switch Serer Mac PCY Fast Ethernet Switch a a a Workstation PC PC Figure 3 3 Typical application 724 746 5500 blackbox com Page 15 Chapter 4 Operation 4 Operation F2. ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descrito en las instrucciones de operaci n Todo otro servicio deber ser referido a personal de servicio calificado Page 4 724 746 5500 blackbox com NOM Statement 10 11 12 13 14 15 16 17 El aparato el ctrico debe ser situado de tal manera que su posici n no interfiera su uso La colocaci n del aparato el ctrico sobre una cama sof alfombra o superficie imilar puede bloquea la ventilaci n no se debe colocar n libreros o gabinetes que impidan el flujo de aire por los rificios de ventilaci n omu El equipo el ctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor El aparato el ctrico deber ser connectado a una fuente de poder s lo del tipo descrito en el instructivo de operaci n o como se indique en el aparato Precauci n debe ser tomada de tal manera que la tierra fisica y la polarizaci n del equipo no sea eliminada 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 atenci n a los contactos y recept culos donde salen del aparato El equipo el ctrico
3. debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante En caso de existir una antena externa deber ser localizada lejos de las lineas de energia El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilaci n 724 746 5500 blackbox com Page 5 NOM Statement 18 Servicio por personal calificado deber ser provisto cuando A E cable de poder o el contacto ha sido da ado u B Objectos han ca do o l quido ha sido derramado dentro EE D El ENE del aparato o aparato ha sido expuesto a la lluvia o aparato parece no operar normalmente o muestra un cambio en su desempe o o aparato ha sido tirado o su cubierta ha sido da ada Page 6 724 746 5500 blackbox com Table of Contents Table of Contents 4 Appendix Troubleshooting Overview 2 1 22 2 3 2 4 3 1 3 2 33 Operation A1 A 2 in PEC ON Sid 8 Introduction Features What s Included Hardware Description 2 4 1 Front Panel 2 4 2 Back Panel EEA E rosacea esadedesteuse Becsasenianaeee 13 Connecting the Switch to PCs Servers and Other Network Devices Connecting the Switc Application Diagram Contacting Black Box Shipping and Packaging sissano 17 72
4. 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 pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de classe A prescrites dans le R glement sur le brouillage radio lectrique publi par Industrie Canada 724 746 5500 blackbox com Page 3 NOM Statement Normas Oficiales Mexicanas NOM Electrical Safety Statement INSTRUCCIONES DE SEGURIDAD 1 Todas las instrucciones de seguridad y operaci n deber n ser le das antes de que el aparato el ctrico sea operado 2 Las instrucciones de seguridad y operaci n deber n ser guardadas para referencia futura 3 Todas las advertencias en el aparato el ctrico y en sus instrucciones de operaci n deben ser respetadas 4 Todas las instrucciones de operaci n y uso deben ser seguidas 5 Elaparato el ctrico no deber ser usado cerca del agua por ejemplo cerca de la tina de ba o lavabo s tano mojado o cerca de una alberca etc 6 El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante 7 El aparato el
5. 0 Mbps full half duplex 100 Mbps full half duplex and 1000 Mbps full half duplex for each port e 9 inch compact size rackmountable to 10 and 19 with bracket 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 e 1 8 Port Gigabit Unmanaged Switch e 1 AC power cord e 2 19 rackmounting brackets e This user s manual 2 4 Hardware Description 2 4 1 Front Panel Figure 2 1 shows the front panel of the switch Table 2 1 describes its components 12 Figure 2 1 Front panel Page 10 724 746 5500 blackbox com Chapter 2 Overview Table 2 1 Front panel components Number Name Description 1 Power LED Lights when power to the unit is on On when port is operating at 1000 2 oats Mbps Off when port LEDs E 3 is operating at 10 or 100 Mbps On when there is a 8 Link Act valid link to the 3 LEDS corresponding port Flashing when data is activating Link to 10BASE T 100BASE TX and 8 RJ 45 1000BASE T devices 4 switching Automatically sense ports 10 100 1000M speed and negotiate full half duplex mode NOTE For more information about the LED indicators go to Chapter 4 Operation 724 746 5500 blackbox com Page 11 Chapter 2 Overview 2 4 2 Back Panel Figure 2 2 shows the back panel of the switch Table 2 2 describes its components
6. 4 746 5500 blackbox com Page 7 Chapter 1 Specifications 1 Specifications Approvals FCC Class A CE Buffer Memory RAM 3 5 MB per device Filtering Forwarding Rate 10 Mbps ports 14 880 pps 100 Mbps ports 148 800 pps 1000 Mbps ports 1 488 000 pps Flow Control Full duplex mode IEEE 802 3x Half duplex mode Backpressure JUMBO Frames Supports 9 KB MAC Address 8K MAC addresses Network Transmission Media 10BASE T CAT3 4 or 5 UTP STP 100BASE TX CAT5 UTP STP 1000BASE T CAT5 UTP STP Standards Compliance IEEE 802 3 10BASE T IEEE 802 3u 100BASE TX and IEEE 802 3ab 1000BASE T copper over Ethernet Connectors 8 integrated RJ 45 ports 10 100 1000 Mbps Indicators 17 LEDs 1 Power 8 1000M 8 Link Act Temperature Tolerance Operating 32 to 113 F 0 to 45 C Storage 4 to 194 F 20 to 90 C Relative Humidity 10 90 noncondensing Power Input 100 240 VAC 50 60 Hz Consumption 15 W max Size 1 7 H x 4 8 W x 8 9 D 4 4 x 12 3 x 22 8 cm Weight 2 lb 0 9 kg Page 8 724 746 5500 blackbox com Chapter 2 Overview 2 Overview 2 1 Introduction The Switch provides eight 10 100 1000 Mbps RJ 45 ports It was designed for easy installation and high performance in an environment where traffic on the network and the number of users increase continuously With its Gigabit chip set the 9 Gigabit Ethernet Switch ca
7. LGB408A R2 lt BLACK BOX Customer Order toll free in the U S Call 877 877 BBOX outside Support U S call 724 746 5500 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax Information 724 746 0746 www blackbox com info blackbox com Trademarks Used in this Manual 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 Computer Inc Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners Page 2 724 746 5500 blackbox com FCC and IC RFI 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
8. igure 4 1 shows the LEDs on the switch s front panel Table 4 1 describes their functions 12 3 4 Figure 4 1 LEDs on front panel of switch Table 4 1 Front panel indicators Number LEDs Status Description 1 Power E 1 LED ON Power is on Link is running at 8 1 8 ON 1000 Mbps 2 1000 Mbps LEDs Link is running at on 10 100 Mbps 8 1 8 ON Link is established Link Act Flashing Data is activating Page 16 724 746 5500 blackbox com Appendix Troubleshooting Appendix Troubleshooting A 1 Contacting Black Box If you determine that your 8 Port Gigabit Unmanaged Switch is malfunctioning do not attempt to alter or repair the unit It contains no user serviceable parts Contact Black Box Technical Support at 724 746 5500 or info blackbox com Before you do make a record of the history of the problem We will be able to provide more efficient and accurate assistance if you have a complete description including e the nature and duration of the problem e when the problem occurs e the components involved in the problem e any particular application that when used appears to create the problem or make it worse A 2 Shipping and Packaging If you need to transport or ship your 8 Port Gigabit Unmanaged Switch e Package it carefully We recommend that you use the original container e If you are returning the unit make sure you include everything you received with it Before you ship for return o
9. n fully support the highest speed even when fully loaded and running in full duplex mode The switch also provides automatic crossover detection function ality on each port It s easy to uplink to another switch without crossover cable This quiet switch operates without a fan The compact rigid desktop size was specifically designed for Remote Office and Branch Office ROBO and medium to large workgroups You can install the switch where space is limited It provides smooth network migration and easy upgrades to network capacity The 9 size can be rackmounted on a 10 or 19 cabinet 2 2 Features e Complies with the IEEE 802 3 Ethernet IEEE 802 3u Fast Ethernet and IEEE 802 3ab Gigabit Ethernet standards Provides eight 10 100 1000 Mbps Gigabit switching ports e Performs full wire speed switching with Head of Line HOL blocking prevention Provides non blocking and non head of line blocking full wire speed forwarding e Supports store and forward operation e Has embedded 3 5 MB SRAM for packet buffer e Supports 9 KB JUMBO frames e Provides 8K MAC address entry 724 746 5500 blackbox com Page 9 Chapter 2 Overview e Supports broadcast storm filtering e All ports provide Auto Negotiation and Auto MDI MDI X functions e Supports flow control backpressure for half duplex and IEEE 802 3x for full duplex mode e Includes 17 LEDs 1 Power 8 1000M and 8 Link Act e Configurable to 1
10. r repair contact Black Box to get a Return Authorization RA number 724 746 5500 blackbox com Page 17 NOTES Page 18 724 746 5500 blackbox com NOTES 724 746 5500 blackbox com Page 19 Black Box Tech Support FREE Live 24 7 Tech support the way it should be Great tech support is just 60 seconds away at 724 746 5500 or blackbox com BLACK BOX About Black Box Black Box provides an extensive range of networking and infrastructure products You ll find everything from cabinets and racks and power and surge protection products to media converters and Ethernet switches all supported by free live 24 7 Tech support available in 60 seconds or less Copyright 2015 Black Box Corporation All rights reserved LGB408A R2 User Manual version 1 724 746 5500 blackbox com
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