Black Box LB401A Manuale di istruzioni

High Speed

Ethernet Extender

This is a Class A device and is not intended for use in a

residential environment.

MARCH 2011

LB400A-R2

HIGH SPEED ETHERNET EXTENDER

CE NOTICE

The CE symbol on your Black Box equipment indicates that it is in compliance

with the Electromagnetic Compatibility (EMC) directive and the Low Voltage

Directive (LVD) of the European Union (EU). A Certificate of Compliance is

available by contacting Technical Support.

RADIO AND TV INTERFERENCE

This device generates and uses 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 and television reception. The device has been

tested and found to comply with the limits for a Class A computing device in

accordance with specifications in Subpart B of Part 15 of FCC rules, which are

designed to provide reasonable protection from such interference in a commer-

cial installation. However, there is no guarantee that interference will not occur in

a particular installation. If the device does cause interference to radio or televi-

sion reception, which can be determined by disconnecting the unit, the user is

encouraged to try to correct the interference by one or more of the following

measures: moving the computing equipment away from the receiver, re-orienting

the receiving antenna and/or plugging the receiving equipment into a different

AC outlet (such that the computing equipment and receiver are on different

branches).

WARNING

Theis device is NOT intended nor approved to be con-

nected to the PSTN. It is intended only for connection to

customer premise equipment.

HIGH SPEED ETHERNET EXTENDER

WARNING

This device contains no user serviceable parts. This

device can only be repaired by qualified service per-

sonnel.

• Do not open the device when the power cord is con-

nected. For systems without a power switch and without

an external power adapter, line voltages are present

within the device when the power cord is connected.

• For devices with an external power adapter, the power

adapter shall be a listed Limited Power Source. The

mains outlet that is utilized to power the device shall be

within 10 feet (3 meters) of the device, shall be easily

accessible, and protected by a circuit breaker in com-

pliance with local regulatory requirements.

• For AC powered devices, ensure that the power cable

used meets all applicable standards for the country in

which it is to be installed.

• For AC powered devices which have 3 conductor

power plugs (L1, L2 & GND or Hot, Neutral &

Safety/Protective Ground), the wall outlet (or socket)

must have an earth ground.

• For DC powered devices, ensure that the interconnect-

ing cables are rated for proper voltage, current, antici-

pated temperature, flammability, and mechanical

serviceability.

• WAN, LAN & PSTN ports (connections) may have haz-

ardous voltages present regardless of whether the

device is powered ON or OFF. PSTN relates to inter-

faces such as telephone lines, FXS, FXO, DSL, xDSL,

T1, E1, ISDN, Voice, etc. These are known as “hazard-

ous network voltages” and to avoid electric shock use

caution when working near these ports. When discon-

necting cables for these ports, detach the far end con-

nection first.

• Do not work on the device or connect or disconnect

cables during periods of lightning activity.

HIGH SPEED ETHERNET EXTENDER

TRADEMARKS USED IN THIS MANUAL

All applied-for and registered trademarks are the property of their respective owners.

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 ref-

erencia 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.

In accordance with the requirements of council direc-

tive 2002/96/EC on Waste of Electrical and Electronic

Equipment (WEEE), ensure that at end-of-life you sepa-

rate this product from other waste and scrap and deliver

to the WEEE collection system in your country for recy-

cling.

WARNING

Electrostatic Discharge (ESD) can damage equipment

and impair electrical circuitry. It occurs when electronic

printed circuit cards are improperly handled and can

result in complete or intermittent failures. Do the fol-

lowing to prevent ESD:

• Always follow ESD prevention procedures when

removing and replacing cards.

• Wear an ESD-preventive wrist strap, ensuring that it

makes good skin contact. Connect the clip to an

unpainted surface of the chassis frame to safely chan-

nel unwanted ESD voltages to ground.

• To properly guard against ESD damage and shocks,

the wrist strap and cord must operate effectively. If no

wrist strap is available, ground yourself by touching the

metal part of the chassis

HIGH SPEED ETHERNET EXTENDER

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. 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 interfi-

era su uso. La colocación del aparato eléctrico sobre una cama, sofá, alfombra

o superficie similar puede bloquea la ventilación, no se debe colocar en libre-

ros 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 recomen-

daciones 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 derra-

mados 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.

HIGH SPEED ETHERNET EXTENDER

CONTENTS

CE Notice .................................................................................................... 2

Radio and TV Interference .......................................................................... 2

Trademarks Used In This Manual ............................................................... 3

Normas Oficiales Mexicanas (NOM) Electrical Safety Statement ............. 3

1. General Information ....................................................................................6

1.1 Features ...............................................................................................6

1.2 Description ......................................................................................... 6

2. Installation ................................................................................................... 8

2.1 Connecting the Twisted-Pair Line Interface .......................................9

2.2 Connecting the 10/100Base-T Ethernet Interface ............................ 10

2.3 Connecting Power ............................................................................ 11

3. Configuration............................................................................................. 12

3.1 Configuring DIP Switch S1 ..............................................................14

3.1.1 S1-2: Impulse Noise Protection .............................................14

3.1.2 S1-3: Rate Limit .................................................................... 14

3.1.3 S1-4: General Protection (Signal to Noise Ratio).................. 14

4. Operation ................................................................................................... 15

4.1 Power Up ..........................................................................................15

4.2 Front Panel LED Status Monitors .................................................... 15

A. Specifications ............................................................................................ 16

A.1 LAN Connection ..............................................................................16

A.2 Transmission Line ............................................................................16

A.3 Line Rate and Distance .....................................................................16

A.4 LED Status Indicators .......................................................................16

A.5 Power Supply ....................................................................................16

A.6 Temperature Range ..........................................................................16

A.7 Humidity ...........................................................................................17

A.8 Dimensions .......................................................................................17

B. High Speed Ethernet Extender Interface Pin Assignment......................... 18

B.1 10/100Base-T Interface ....................................................................18

B.2 Line Interface ....................................................................................18

HIGH SPEED ETHERNET EXTENDER

C. Sample Rates/Distance Chart, Based on 24 AWG (0.5 MM) ................... 19

Notes.......................................................................................................... 20

Notes.......................................................................................................... 21

HIGH SPEED ETHERNET EXTENDER

1. General Information

Thank you for your purchase of this Black Box product. If any questions arise

during installation or use of the unit, contact Black Box Tech Support at (724)

746-5500.

1.1 Features

•

Variable rate ethernet extender - Easy to configure

•

Auto-MDIX Ethernet

•

Configurable 10/100, Full/Half, and Auto-Negotiating Ethernet

•

Extends network connections up to 5,500 ft (1.6 km) over 2-wire 24-AWG

unconditioned lines

•

Auto-Rate line rates up to 100 Mbps downstream/70 Mbps upstream

•

Symmetric or asymmetric settings via DIP switch

•

Transparent operation

•

LED indicators for Power, Link, Ethernet Link & Activity, and Remote/Local

1.2 Description

The Black Box LB401A Ethernet Extenders provide high-speed LAN connec-

tions between peered Ethernet LANs, remote PCs, or any other network enabled

10/100Base-T device.

Operating in pairs, one LB401A is configured as the (L) Local unit located at one

end of the LAN extension and the other LB401A is configured as the (R) Remote

unit at the other end. The LB401A is configured as a L or R via the switch on the

bottom of the unit. These units can automatically forward LAN broadcasts, mul-

ticasts, and frames across a 2-wire voice-grade twisted-pair link. The data is

passed transparently (unmodified) through the 2173s. The 2173s automatically

add and delete MAC addresses, only passing packets across the LINE link that

are meant for the remote peered LAN.

HIGH SPEED ETHERNET EXTENDER

Figure 1. Typical application

The pair of LB401A models work together to create a transparent extension

between two peered Ethernet LANs. Figure 1 shows a typical point-to-point

application.

HIGH SPEED ETHERNET EXTENDER

2. Installation

To install the LB401A Ethernet Extender, do the following:

1. Connect the line interface between the units (refer to section 2.1, “Connect-

ing the Twisted-Pair Line Interface” on page 11)

Note See Figure 2 for the standalone unit’s rear panel arrangements.

2. Connect the Ethernet interface (refer to section 2.2, “Connecting the

10/100Base-T Ethernet Interface” on page 12).

3. Connect the power plug (refer to section 2.3, “Connecting Power” on

page 13).

Figure 2. High Speed Ethernet Extender rear panel

CAUTION

The Interconnecting cables shall be acceptable for

external use and shall be rated for the proper applica-

tion with respect to voltage, current, anticipated tem-

perature, flammability, and mechanical serviceability.

Line

Power

Made in the USA

Ethernet

LB401A

Power

jack

Dual 10/100

Ethernet ports

CopperLINK

twisted-pair

RJ-45 interface

2 1

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