Black Box LB8405A-R3-US User manual

Express
Ethernet Switch
LB8405A-R3-US
March, 2006
CUSTOMER
SUPPORT
INFORMATION
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBO
X
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax [phone]
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: [email protected]

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FEDERAL COMMUNICATIONS COMMISSION AND
CANADIAN DEPARTMENT OF COMMUNICATIONS
RADIO FREQUENCY INTERFERENCE STATEMENT
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 interference 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
compliance could void the user’s authority to operate the equipment.
To meet FCC requirements, shielded cables and power cords are required to connect 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 the Canadian Department of
Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites
applicables aux appareils numériques de la classe B prescrites dans le Règlement sur le
brouillage radioélectrique publié par le ministère des Communications du Canada.
Normas Oficiales Mexicanas (NOM)
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.

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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.
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
Table of Contents...........................................................................................................4
About This Manual........................................................................................................5
Packing List....................................................................................................................5
Introduction...................................................................................................................6
Product Features..........................................................................................................6
Front & Back Panel.....................................................................................................7
LEDs............................................................................................................................7
Installation .....................................................................................................................8
Selecting a Site for the Switch.....................................................................................8
Connecting to Your Network ......................................................................................8
Specifications .................................................................................................................9

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About This Manual
This manual describes the Black Box Express Ethernet Switch in these basic sections:
•FCC Statement
•Introduction
•Product Features
•Installation
Packing List
Please inspect the contents and report any apparent damage or missing items
immediately to Black Box.
•The switch
•User’s Manual
•AC to DC power Adapter 120V, 60Hz, 11.5W, 12VDC, 0.6A.

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Introduction
LB8405A-R3-US is a 5-port Fast Ethernet switch, integrating 10/100BaseTX networks
in a cost-effective desktop package. The TX ports are auto MDIX and capable of auto
negotiate speed and half/full duplex modes.
Product Features
•5-port for 10/100BaseTX.
•Universal auto sensing power adaptor with multiple power connectors allows
deploying the switch worldwide.
•Auto MDIX on all TX ports to eliminate the need for crossed over cable
•TX ports are capable of auto negotiate 10/100Mbps speed & full/half duplex mode
•Broadcast storming filter function.
•True non-blocking architecture.
•Full wire-speed forwarding rate.
•Store-and-forward mechanism.
•Back pressure and IEEE802.3x compliant flow control.
•Supports 2K MAC addresses.
•Supports 1M bits buffer memory.
•Front panel power and port status LEDs.
•Wall-mountable pocket size.

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Front & Back Panel
LB8405A-R3-US is a space saving pocket size 5-port Ethernet switch designed for wall-mount or
desktop. LED indicators and TX ports are located on front and back panels respectively. Back panel is
equipped with five TX ports and a DC receptacle. The front panel displays arrays of LEDs indicating
power & individual port activity.
Back Panel
Power Receptacle: Connect the supplied universal power adaptor to the receptacle on back panel and
then plug the cord into standard AC outlet with a voltage at 120V.
Front Panel Power PortStatus
LEDs
LED indicators on the front panel convey status information to help you monitor and troubleshoot
the switch.
Power
This LED comes on when the switch is connected to the power adapter.
Port Status
Each port has a matching LED showing the port status. When port LED is on, it
indicates the corresponding port is connected with another switch/hub or computer.
When port LED blinks, it indicates exchanging data or packets within the network is
proceeding.
The table below provides detailed information on LEDs.
LED State Indication
Steady The port has established a valid network connection.
LNK stands for LINK.
LNK/ACT Flashing The port is transmitting or receiving data.
ACT stands for ACTIVITY.

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Installation
Selecting a Site for the Switch
As with any electronic device, you should place the switch where it will not be subject to
extreme temperatures, humidity, or electromagnetic interference. Specifically, the site you
select should meet the following requirements:
•The ambient temperature should be between 32 and 104 degrees Fahrenheit (0 to 40
degrees Celsius).
•The relative humidity should be less than 90 percent, non-condensing.
•Surrounding electrical devices should not exceed the electromagnetic field (RFC)
standards for IEC 801-3, Level 2 (3V/M) field strength.
•Make sure that the switch receives adequate ventilation. Do not block the ventilation holes
on the side of the switch or the fan exhaust port on the rear of the switch.
•The power outlet should be within 1.8meter (6 feet) of the switch.
Connecting to Your Network
Connect network cables from computers or network segments to the TX ports on the back
panel.
Table 2: Cabling Information
Speed Connector Port Speed
Half/Full Duplex Cable
100BaseTX RJ-45 100/200 Mbps 100 m, Category 5 STP/UTP
10BaseT RJ-45 10/20 Mbps 100 m, Category 3, 4, or 5 STP/UTP
100BaseFX
Multi-mode SC, ST, MT-RJ, VF-45, or LC 100/200 Mbps Up to 2km, 50 or 62.5/125µm Multi-mode fiber cable
100BaseFX
Single-mode SC 100/200 Mbps Up to 75km, 9 or 10/125µm Single-mode fiber cable

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Specifications
Applicable
Standards
IEEE 802.3, 10BaseT,
IEEE 802.3u, 100BaseTX/FX
LED Indicators Per unit – Power Status
Per Port – LNK/ACT
Cable
10BaseT 2-pair UTP/STP Cat. 3,4,5, up to 100m
100BaseTX 2-pair UTP/STP Cat.5, up to 100m
100BaseFX 50 or 62.5/125µm Multi-mode fiber optic cable, up to 2km
100BaseFX 9 or 10/125µm Single-mode fiber optic cable, up to 75km
Switching
Methods Store-and-Forward
Forwarding Rate 14,880pps for 10Mbps,
148,800pps for 100Mbps
AC Input 120VAC, 50-60Hz, external linear US power supply
Power
consumption 12VDC, 0.6A, 11.5W
Operating
Temperature 0°C~40°C (32°F~104°F)
Storage
Temperature -25°C~70°C (-13F°~158°F)
Humidity 10%~90%, non-condensing
Emissions FCC part 15 Class B, CE Mark-B,
Dimensions W160 x D81 x H28mm palm size
Weight 0.42kg (0.92lb.)