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Chapter

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Customer 

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Information

Provides (8) 10-/100-/1000-Mbps RJ-45 
ports.

8-Port Gigabit Unmanaged Switch

LGB408A-R2

Summary of Contents for LGB408A-R2

Page 1: ...e U S call 724 746 5500 FREE technical support 24 hours a day 7 days a week Call 877 877 2269 or fax 724 746 0746 www blackbox com info blackbox com Customer Support Information Provides 8 10 100 1000 Mbps RJ 45 ports 8 Port Gigabit Unmanaged Switch LGB408A R2 ...

Page 2: ...marks 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 3: ...hen 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...

Page 4: ...spetadas 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 co...

Page 5: ... 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 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 aparat...

Page 6: ...ando 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 7: ...s Included 10 2 4 Hardware Description 10 2 4 1 Front Panel 10 2 4 2 Back Panel 12 3 Installation 13 3 1 Connecting the Switch to PCs Servers and Other Network Devices 13 3 2 Connecting the Switch to a Switch or Hub 13 3 3 Application Diagram 14 4 Operation 16 Appendix Troubleshooting 17 A 1 Contacting Black Box 17 A 2 Shipping and Packaging 17 ...

Page 8: ...dresses 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 104 F 0 to 40 C Storage 4 to 194 F 20 ...

Page 9: ...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 Complies with the IEEE 802 3 Ethernet IEEE 802 3u Fast Eth...

Page 10: ... half duplex and 1000 Mbps full half duplex for each port 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 1 8 Port Gigabit Unmanaged Switch 1 AC power cord 2 19 rackmounting brackets This user s manual 2 4 Hardwar...

Page 11: ...ing at 1000 Mbps Off when port is operating at 10 or 100 Mbps 3 8 Link Act LEDs On when there is a valid link to the corresponding port Flashing when data is activating 4 8 RJ 45 switching ports Link to 10BASE T 100BASE TX and 1000BASE T devices Automatically sense 10 100 1000M speed and negotiate full half duplex mode NOTE For more information about the LED indicators go to Chapter 4 Operation ...

Page 12: ...ew 2 4 2 Back Panel Figure 2 2 shows the back panel of the switch Table 2 2 describes its components 5 Figure 2 2 Back panel Table 2 2 Back panel components Number Name Description 5 3 prong receptacle Insert 90 240 VAC 50 60 Hz power supply cord here ...

Page 13: ...h to PCs Servers and Other Network Devices Use straight through twisted pair cable CAT5 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 ...

Page 14: ... 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 1 uplink port on switch 2 Connected to Port 2 on switch 1 CATx cable Figure 3 2 Connecting the switch to a switch or hub ...

Page 15: ...ge 15 Chapter 3 Installations 3 3 Application Diagram Mac PC Workstation PC PC PC PC Server Dual Speed Hub Fast Ethernet Switch Server Gigabit Ethernet Switch 8 Port Gigabit Unmanaged Switch LGB408A Figure 3 3 Typical application ...

Page 16: ... 1 describes their functions 1 4 2 3 Figure 4 1 LEDs on front panel of switch Table 4 1 Front panel indicators Number LEDs Status Description 1 1 Power LED ON Power is on 2 8 1 8 1000 Mbps LEDs ON Link is running at 1000 Mbps OFF Link is running at 10 100 Mbps 3 8 1 8 Link Act ON Link is established Flashing Data is activating ...

Page 17: ...de more efficient and accurate assistance if you have a complete description including the nature and duration of the problem when the problem occurs the components involved in the problem 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 Package it carefully We r...

Page 18: ...877 877 2269 blackbox com Page 18 NOTES ...

Page 19: ...877 877 2269 blackbox com Page 19 NOTES ...

Page 20: ... products to media converters and Ethernet switches all supported by free live 24 7 Tech support available in 60 seconds or less Copyright 2021 Black Box Corporation All rights reserved Great tech support is just 60 seconds away at 724 746 5500 or blackbox com Black Box Tech Support FREE Live 24 7 Tech support the way it should be LGB408A R3 User Manual version 2 877 877 2269 blackbox com ...

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