Black Box LB8505A User Manual
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Black Box LB8505A User Manual

Black Box LB8505A User Manual

5,8,16 port 10/100 ethernet switches
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5-Port 10/100 Ethernet Switch
8-Port 10/100 Ethernet Switch
16-Port 10/100 Ethernet Switch
CUSTOMER SUPPORT INFORMATION
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
JANUARY 2003
LB8505A
LB8508A
LB8516A

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  • Page 1 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...
  • Page 3 FCC AND IC RFI STATEMENTS 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.
  • Page 4 10/100 ETHERNET SWITCHES • 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 compliance could void the user’s authority to...
  • Page 5 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.
  • Page 6 10/100 ETHERNET SWITCHES 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.
  • Page 7 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.
  • Page 8 10/100 ETHERNET SWITCHES 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;...
  • Page 9 CE NOTICE EUROPEAN UNION DECLARATION OF CONFORMITY This equipment complies with the requirements of the European EMC Directive 89/336/EEC.
  • Page 10 10/100 ETHERNET SWITCHES TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

  • Page 11: Table Of Contents

    4.1 Problems/Solutions ... . . 22 4.2 Calling Black Box ....23 4.3 Shipping and Packaging ..24...

  • Page 12: Specifications

    1. Specifications Buffer: LB8505A: 128 KB; LB8508A: 256 KB; LB8516A: 512 KB Filtering and Forwarding Rate: 148,800 pps MAC Address Table: LB8505A: 1K; LB8508A, LB8516A: 8K Standards: IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX Switching Architecture: Store and forward Connectors: LB8505A: (5) RJ-45;...
  • Page 13 Power: 120 VAC, 60 Hz, external power supply; Input Power: LB8505A, LB8508A: 12 VDC, 0.5 amp, LB8516A: 12 VDC, 1 amp Size: LB8505A: 1.3"H x 5"W x 3.3"D (3.3 x 12.7 x 8.4 cm); LB8508A: 1.4"H x 7.4"W x 3.9"D (3.6 x 18.8 x 9.9 cm);...

  • Page 14: Introduction

    MDI/MDI-X, so you can connect either a straight-through or crossover cable to another switch or hub. Three models are available. The LB8505A has 5 shielded, auto-negotiating 10BASE-T/100BASE- TX RJ-45 ports. The LB8508A has 8 RJ-45 ports, and the LB8516A has 16. All of the switch’s UTP ports support full and half-duplex modes.
  • Page 15 CHAPTER 2: Introduction typically used to segment network traffic. This can improve the network performance by increasing the total bandwidth, as illustrated in Figure 2-1. Switch or Switch or 200 Mbps Mbps Mbps Mbps Mbps Switch or Switch or Figure 2-1. Increasing network bandwidth. The switch uses store-and-forward switching architecture.
  • Page 16 10/100 ETHERNET SWITCHES The front and back panels of the 5-Port 10/100 Ethernet Switch are shown in Figure 2-2. LED panel Power LED 100M LEDs Link/ Activity LEDs RJ-45 connectors Power connector Figure 2-2. 10/100 Ethernet Switch, 5-Port.
  • Page 17 CHAPTER 2: Introduction The front and back panels of the 8-Port 10/100 Ethernet Switch are shown in Figure 2-3. 100M LEDs LED panel Power LED Link/ Activity LEDs RJ-45 connectors Power connector Figure 2-3. 10/100 Ethernet Switch, 8-Port.
  • Page 18 10/100 ETHERNET SWITCHES The front and back panels of the 16-Port 10/100 Ethernet Switch are shown in Figure 2-4. Link/ Power LED Activity 100M LEDs LED panel LEDs RJ-45 connectors Power connector Figure 2-4. 10/100 Ethernet Switch, 16-Port.
  • Page 19 CHAPTER 2: Introduction Table 2-1 describes the LEDs on the 10/100 Ethernet Switches shown in Figures 2-2 through 2-4. Table 2-1. LED descriptions. Color Status Description Power Green Power is supplied. No power. LNK/ACT Green A valid link is (Link/ established.

  • Page 20: Features

    • Easily connect Fast Ethernet hubs or segments. 2.3 What the Package Includes Your package should include the following items. • (1) 10/100 Ethernet Switch • (1) External power supply • This users’ manual If anything is missing or damaged, please contact Black Box at 724-746-5500.

  • Page 21: Installation

    CHAPTER 3: Installation 3. Installation 3.1 Choosing the Proper Environment Install and operate the switch within the limits of the specified temperature and humidity tolerance (see Chapter 1). Don’t place objects on top of the switch or obstruct the switch’s side vents.

  • Page 22: Connecting The Power

    10/100 ETHERNET SWITCHES The UTP network cables must comply with EIA/TIA-568 specifications and the Category 5 standard for 100 Mbps data transmission. The maximum length of UTP cable allowed between the switch and a connected device is 100 m (328 ft.). Once the network cable is connected to the 10/100 Ethernet Switch and the networking device and the attached device is powered on, the green LNK/ACT LED...
  • Page 23 CHAPTER 3: Installation External power adapter power DC power Figure 3-1. Connecting the power adapter.

  • Page 24: Troubleshooting

    10/100 ETHERNET SWITCHES 4. Troubleshooting 4.1 Problems/Solutions Problem: The Power LED is not lit. Solution: Is the power cord properly connected to the external power adapter and the power outlet? Make sure the DC power jack is firmly plugged into the power socket of the switch. Problem: The Link/Activity LED is not lit when connected to the 100-Mbps device.

  • Page 25: Calling Black Box

    If you determine that your 10/100 Ethernet Switch is malfunctioning, do not attempt to alter or repair the unit. It contains no user- serviceable parts. Contact Black Box at 724-746- 5500. Before you do, make a record of the history of the problem.

  • Page 26: Shipping And Packaging

    10/100 ETHERNET SWITCHES 4.3 Shipping and Packaging If you need to transport or ship your 10/100 Ethernet Switch: • Package it carefully. We recommend that you use the original container. • If you are shipping the 10/100 Ethernet Switch for repair, make sure you include everything that came in the original package.
  • Page 27 © Copyright 2002. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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Lb8508aLb8516a

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