Black Box LB400A User manual

CUSTOMER
SUPPORT
INFORMATION
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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]
High Speed
Ethernet Extender
DECEMBER 2006
LB400A

HIGH SPEED ETHERNET EXTENDER
2
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
The High Speed Ethernet Extender generates and uses radio frequency energy,
and if not installed and used properly-that is, in strict accordance with the manu-
facturer’s instructions-may cause interference to radio and television reception.
The High Speed Ethernet Extender has been tested and found to comply with the
limits for a Class A computing device in accordance with specifications in Sub-
part B of Part 15 of FCC rules, which are designed to provide reasonable protec-
tion from such interference in a commercial installation. However, there is no
guarantee that interference will not occur in a particular installation. If the Ether-
net Extender does cause interference to radio or television 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 comput-
ing equipment away from the receiver, re-orienting the receiving antenna and/or
plugging the receiving equipment into a different AC outlet (such that the com-
puting 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.
WARNING
• This device contains no user serviceable parts. The
equipment shall be returned to Black Box for repairs, or
repaired by qualified service personnel.
• The external power adapter should be a listed Limited
Power Source. Ensure that the power cable used meets
all applicable standards for the country in which it is to
be installed, and that it is connected to a wall outlet
which has earth ground. The mains outlet that is uti-
lized to power the device shall be within 10 feet (3
meters) of the device, shall be easily accessible, and
protected by a circuit breaker.
• Do not work on the system or connect or disconnect
cables during periods of lightning activity.

HIGH SPEED ETHERNET EXTENDER
3
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.
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.
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.

HIGH SPEED ETHERNET EXTENDER
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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
5
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 ....................................................................................7
1.1 Features ...............................................................................................7
1.2 Description ......................................................................................... 7
2. Installation................................................................................................... 9
2.1 Installing the High Speed Ethernet Extender .....................................9
2.2 Connecting the Twisted-Pair Line Interface..................................... 10
2.3 Connecting the 10/100Base-T Ethernet Interface ............................ 11
2.4 Connecting Power ............................................................................ 12
3. Configuration............................................................................................. 13
3.1 Configuring DIP Switch S1 ..............................................................14
3.1.1 Switch S2-1: Symmetric/Asymmetric Operation ..................15
3.1.2 Switches S2-2 and S2-3: Data Rate....................................... 15
3.1.3 Switches S2-4, S2-5 and S2-6: Ethernet Configuration ........ 15
3.1.4 Switch S2-7: Ethernet Shutdown........................................... 16
3.1.5 Switch S2-8: Remote Configuration...................................... 16
4. Operation................................................................................................... 17
4.1 Power Up ..........................................................................................17
4.2 Front Panel LED Status Monitors .................................................... 17
A. Specifications ............................................................................................ 19
A.1 LAN Connection ..............................................................................19
A.2 Transmission Line ............................................................................19
A.3 Line Rate and Distance .....................................................................19
A.4 Surge Suppressor ..............................................................................19
A.5 LED Status Indicators .......................................................................19
A.6 Power Supply ....................................................................................19
A.7 Temperature Range ..........................................................................20
A.8 Humidity ...........................................................................................20
A.9 Dimensions .......................................................................................20

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B. High Speed Ethernet Extender Interface Pin Assignment......................... 21
B.1 10/100Base-T Interface ....................................................................21
B.2 Line Interface ....................................................................................21
C. Distance Chart, Based on 24 AWG (0.5 MM) .......................................... 22

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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 6,000 ft (1.8 km) over 2-wire 24-AWG
unconditioned lines
•
Switch selectable line rates up to 50 Mbps
•
6 symmetric or asymmetric settings via DIP switch
•
Transparent operation
•
LED indicators for Power, Link, and Ethernet Link & Activity
• Surge suppression up to 20 kA (8/20 µ s)
•
Made in the USA
1.2 Description
The Black Box LB400A Ethernet Extenders provide high-speed LAN connec-
tions between peered Ethernet LANs, remote PC’s, or any other network enabled
10/100Base-T devices.
Operating in pairs, one LB400A is configured as the (L) Local unit located at one
end of the LAN extension and the other LB400A is configured as the (R) Remote
unit at the other end. The LB400A is configured as a L or R via the switch on the
rear panel. These units can automatically forward LAN broadcasts, multicasts,
and frames across a 2-wire voice-grade twisted-pair link. The data is passed
transparently (unmodified) through the high speed ethernet extenders. The
LB400A automatically adds and deletes MAC addresses, only passing packets
across the line that is meant for the remote peered LAN.

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Figure 1. Typical application
The pair of LB400A models work together to create a transparent extension
between two peered Ethernet LANs. Figure 1 shows a typical point-to-point
application.

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9
2. Installation
2.1 Installing the High Speed Ethernet Extender
Do the following:
1. Connect the line interface between the units (refer to section 2.2, “Connect-
ing the Twisted-Pair Line Interface” on page 10)
Note See Figure 2 for the standalone unit’s rear panel arrangements.
2. Connect the Ethernet interface (refer to section 2.3, “Connecting the
10/100Base-T Ethernet Interface” on page 11).
3. Connect the power plug (refer to section 2.4, “Connecting Power” on
page 12).
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
LB400A
Power
jack
Ethernet
port
Local/Remote
switch
Rem Loc
LINE twisted-pair
RJ-45 interface

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2.2 Connecting the Twisted-Pair Line Interface
The High Speed Ethernet Extender supports communication between two peer
Ethernet LAN sites over a distance of up to 6,000 ft (1.83 km) over 24 AWG
(0.5 mm) twisted-pair wire.
Note Actual distance and link performance may vary depending on the envi-
ronment and type/gauge of wire used.
Follow the steps below to connect the High Speed Ethernet Extender interfaces.
Note The LB400A works in pairs. One of the units must be a L (Local), and
the other unit must be a R (Remote). It does not matter which end is the L
and which is the R. The link is always initiated by the Remote.As long as
the Local is powered on, the Remote can establish a link by being pow-
ered on or by having its power reset.
1. To function properly, the two LB400As must be connected together using
twisted-pair, unconditioned, dry, metal wire, between 19 (0.9mm) and 26
AWG (0.4mm). Leased circuits that run through signal equalization equip-
ment are not acceptable.
2. The LB400A is equipped with an RJ-45 interface jack that to be used for
the LINE interface. This LINE interface is a two-wire interface. Observe
the signal/pin relationships on the LB400A’s LINE jack.
The RJ-45 connector on the LB400A's twisted pair interface is polarity insensi-
tive and is wired for a two-wire interface. The signal/pin relationship is shown in
Figure 3.
Figure 3. (RJ-45) twisted pair line interface.
1 (no connection)
2 (no connection)
3 (no connection)
4 (RING)
5 (TIP)
6 (no connection)
7 (no connection)
8 (no connection)
1
2
3
4
5
6
7
8