Black Box Computer Hardware LHC201A User Manual

LHC201A  
LHC202A  
Pure NetworkingFast Ethernet Media Converters  
Link a 10/100BASE-TX segment to a 100BASE-FX  
segment on your network, and extend the 328 foot  
(100 m) distance limit of copper-based Ethernet.  
Customer  
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S.  
Support  
Information  
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  
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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.  
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 Industry  
Canada.  
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les  
limites applicables aux appareils numériques de classe B prescrites dans le  
Règlement sur le brouillage radioélectrique publié par Industrie Canada.  
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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.  
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  
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.  
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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.  
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  
1.  
2.  
Specifications..............................................................................................7  
Overview ....................................................................................................8  
2.1  
2.2  
2.3  
2.4  
2.5  
Introduction....................................................................................8  
Features ..........................................................................................8  
What’s Included..............................................................................8  
Connectors and Network Cables Supported.................................9  
Hardware Description.....................................................................9  
2.5.1 LHC201A ..............................................................................9  
2.5.2 LHC202A............................................................................ 11  
3.  
4.  
Configuration ........................................................................................... 13  
Installation................................................................................................ 15  
4.1  
4.2  
Typical Installation......................................................................... 15  
Installation Procedure................................................................... 15  
5.  
6.  
Operation ................................................................................................. 17  
5.1  
5.2  
5.3  
LEDs on the Media Converter ...................................................... 17  
Switch ........................................................................................... 19  
Link Fault Passthrough Function...................................................22  
Troubleshooting........................................................................................24  
6.1  
6.2  
Contacting Black Box....................................................................24  
Shipping and Packaging ...............................................................24  
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Chapter 1: Specifications  
1. Specifications  
Maximum Distance — LHC201A: Multimode fiberoptic: 2 km,  
LHC202A: Single-mode fiberoptic: 20 km  
Standards — IEEE 802.3, IEEE 802.3u  
Connectors — (1) dual SC, (1) RJ-45  
Temperature Tolerance — Operating: +32 to +104° F (0 to +40° C);  
Storage: -40 to +158° F (-40 to +70° C)  
Humidity — Operating: 10 to 90% relative humidity, noncondensing;  
Storage: 5 to 90% relative humidity, noncondensing  
Power — External: 100–240 VAC, 50–60 Hz, 0.3 A;  
Output: 9 VDC, 0.6 A, 5.4 W max.  
Size — 1.1"H x 3.7"W x 2.9"D (2.7 x 9.4 x 7.4 cm)  
Weight — 1.1 lb. (0.5 kg)  
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Chapter 2: Overview  
2. Overview  
2.1 Introduction  
The Pure Networking Fast Ethernet Media Converters connect a 10/100BASE-TX  
network segment and a 100BASE-FX network segment. Use these units to join a  
10/100BASE-TX segment to a 100BASE-FX segment on your network, or use them  
in pairs to extend the 328-foot (100-m) distance limitation of copper based  
Ethernet.  
The converters also feature LFP (Link Fault Passthrough, as described in Section 5.3).  
Two converter models are available:  
• LHC201A: This fiber SC media converter transmits/receives data by 1310-nm  
short-wave laser over multimode fiber.  
• LHC202A: This fiber SC media converter transmits/receives data by 1310-nm  
short-wave laser over single-mode fiber.  
2.2 Features  
• Complies with 802.3u 10/100BASE-TX and 100BASE-FX standards.  
• Provides one SC connector and one RJ-45 connector.  
• Supports autonegotiation of duplex mode on the twisted-pair port.  
• Supports autonegotiation of 10/100 Mbps and auto MDI/MDI-X for the  
twisted-pair port.  
• Supports Link Fault Passthrough (LFP) and Far End Fault (FEF) functions.  
• Extends fiber distance up to 2 km for multimode fiber and 20 km for single-mode  
fiber.  
• Easy-to-view LED indicators provide status to easily monitor network activity.  
• Uses an external power supply (included).  
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 [email protected].  
• (1) Pure Networking Fast Ethernet Media Converter  
• (1) DC adapter  
• This user’s manual  
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Chapter 2: Overview  
2.4 Connectors and Network Cables Supported  
The connectors and network cables supported by the converter are listed as follows.  
• Connectors: RJ-45, SC.  
• Network cables: CAT5 twisted-pair (TP), 1310-nm 62.5/125-µm, 50/125-µm  
single-mode/multimode fiber.  
Table 2-1. Connectors and network cable supported.  
Output  
Part  
Transmission Transmission Center  
Number  
Interface  
Distance  
Media  
Wavelength  
RJ-45 TP  
and SC  
fiber  
Multimode  
fiber, TP  
LHC201A  
2 km  
1310 nm  
RJ-45 TP  
LHC202A and SC  
fiber  
Single-mode  
fiber, TP  
20 km  
1310 nm  
2.5 Hardware Description  
Figures 2-1 through 2-4 show the front and back panels of the media converters.  
Tables 2-2 and 2-3 describe their components.  
2.5.1 LHC201A  
1
2 3 4 5  
6
9
7
8
Figure 2-1. Front panel of the LHC201A.  
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Chapter 2: Overview  
10  
11  
Figure 2-2. Back panel of the LHC201A.  
Table 2-2. LHC201A components.  
Number  
Component  
Description  
Links to multimode  
fiber segment  
1, 2  
(1) dual SC connector (TX/RX)  
PWR, LFP, LINK/ACT  
FX, SPD, FDX/COL,  
LINK/ACT TP  
3, 4, 5, 6,  
8, 9  
(6) LEDs  
Connects to  
10/100BASE-TX device  
7
RJ-45 connector  
10  
(1) barrel connector  
Links to power  
TP-Auto or TP-Dis,  
TP-100M or TP10M,  
TP FDX or TP-HDX,  
LFD-ON or LFD-OFF  
11  
(1) 4-position DIP switch  
*See Tables 5-1 and 5-2 for LED and DIP switch functions.  
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Chapter 2: Overview  
2.5.2 LHC202A  
1
2 3 4 5  
6
9
7
8
Figure 2-3. Front panel of the LHC202A.  
10 11  
Figure 2-4. Back panel of the LHC202A.  
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Chapter 2: Overview  
Table 2-3. LHC202A components.  
Number  
Component  
Description  
Links to single-mode  
fiber segment  
1, 2  
(1) dual SC connector (TX/RX)  
PWR, LFP, LINK/ACT  
FX, SPD, FDX/COL,  
LINK/ACT TP  
3, 4, 5, 6,  
8, 9  
(6) LEDs  
Connects to  
10/100BASE-TX device  
7
RJ-45 connector  
10  
(1) barrel connector  
Links to power  
TP-Auto or TP-Dis,  
TP-100M or TP10M,  
TP FDX or TP-HDX,  
LFD-ON or LFD-OFF  
11  
(1) 4-position DIP switch  
*See Tables 5-1 and 5-2 for LED and DIP switch functions.  
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Chapter 3: Configuration  
3. Configuration  
To expand a Fast Ethernet network, you can use the converter as described in the  
following examples:  
1. Place two converters back to back between the end devices as shown in Figure  
3-1.  
Twisted-  
pair cable  
Twisted-  
pair cable  
Device B  
Device A  
10/100BASE-TX  
interface  
LHC201A  
LHC201A  
or  
LHC202A  
or  
LHC202A  
100BASE-FX  
interface  
Single-mode or  
multimode  
fiber optic cable  
Figure 3-1. Application using two media converters.  
NOTE: Use two LHC201A Media Converters or two LHC202A media converters  
to expand your network.  
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Chapter 3: Configuration  
2. Place one converter directly between a 10/100BASE-TX network segment and a  
100BASE-FX network segment as shown in Figure 3-2.  
Device A  
10/100BASE-TX  
interface  
Device B  
100BASE-FX  
interface  
Figure 3-2. Application using one LHC201A or one LHC202A.  
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Chapter 4: Installation  
4. Installation  
4.1 Typical Installation  
1. The SC fiber connector of an LHC201A transmits/receives data by 1310-nm  
short-wave laser on multimode fiber.  
2. The SC fiber connector of an LHC202A transmits/receives data by 1310-nm  
short-wave laser on single-mode fiber.  
Figure 4-1 shows a typical installation.  
Twisted-  
pair cable  
Twisted-  
pair cable  
Device A  
Device B  
LHC201A  
or  
LHC202A  
LHC201A  
or  
LHC202A  
Multimode or  
single-mode  
fiber optic cable  
Figure 4-1. Transmits and receives data on different fibers.  
NOTE: The units work in pairs. You have to use either two LHC201A converters or  
two LHC202A converters.  
4.2 Installation Procedure  
Use a fiber cable to connect two converters, or connect a converter with a  
100BASE-FX device.  
1. Connect a converter to a 10/100BASE-TX device (hub or switch).  
• Make sure that the CAT5 twisted pair cable between the 10/100BASE-TX device  
and the converter is less than 328 feet (100 meters) long.  
• Connect one end of the CAT5 twisted pair cable to the RJ-45 jack on the  
converter and the other end of the cable to the RJ-45 jack on the 10/100BASE-TX  
device.  
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Chapter 4: Installation  
2. Connect two converters or a converter and a 100BASE-FX device.  
• Use an SC fiber cable to connect the two converters’ SC connector or the SC  
connecter of a converter and a 100BASE-FX device.  
3. Turn on the power.  
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Chapter 5: Operation  
5. Operation  
5.1 LEDs on the Media Converters  
The converters have real-time LED indicators that can provide real-time status  
reports. Just look at the LEDs to determine the link status. Figure 5-1 shows the  
LEDs and Table 5-1 describes their functions.  
Figure 5-1. LEDs.  
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Chapter 5: Operation  
Table 5-1. LED functions.  
Name  
Status  
ON  
Description  
Power to the unit is ON.  
Power to the unit is OFF.  
PWR  
OFF  
The Link Fault Passthrough (LFP) function  
is enabled.  
ON  
LFP  
The Link Fault Passthrough (LFP) function  
is disabled.  
OFF  
FX  
ON  
There is a valid link.  
The converter is receiving or transmitting  
data from the fiberoptic connector.  
Link/Act  
Flashing  
OFF  
There is no valid link.  
The TP port is connected to  
100BASE-TX.  
ON  
SPD  
The TP port is connected to 10BASE-T or  
is not connected.  
OFF  
The TP port is operating in full-duplex  
mode.  
ON  
Flashing  
OFF  
There is a collision.  
FDX/Col  
Link/Act  
TP  
The TP port is operating in half-duplex  
mode.  
ON  
There is a valid link.  
The converter is receiving or transmitting  
data from the TP port.  
Flashing  
OFF  
There is no connection on the port.  
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Chapter 5: Operation  
5.2 Switch  
The converters have a 4-position DIP switch. Figure 5-2 shows the DIP switch and  
Table 5-2 describes its functions.  
Figure 5-2. DIP switch.  
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Chapter 5: Operation  
Table 5-2. DIP switch functions.  
Switch  
Position Name  
Position  
Description  
The TP port operates in  
autonegotiation mode.  
TP-AUTO UP  
1
2
3
4
The TP port operates in FORCE  
mode.  
TP-DIS  
DOWN  
The TP port operates in  
100BASE-TX mode.  
TP-100M UP  
The TP port operates in  
10BASE-T mode.  
TP-10M  
DOWN  
The TP port operates in  
full-duplex mode.  
TP_FDX  
TP_HDX  
LFP_OFF  
UP  
The TP port operates in  
half-duplex mode.  
DOWN  
UP  
The Link Fault Passthrough function  
is disabled.  
The Link Fault Passthrough function  
is enabled.  
LFP_ON  
DOWN  
Some common configurations are shown in Table 5-3.  
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Chapter 5: Operation  
Table 5-3. Common configurations.  
Device Mode  
Switch  
TP_AUTO, TP_100M, TP_FDX, LFP_ON  
TP: AUTO; LFP ON  
TP: AUTO; LFP OFF  
TP_AUTO, TP_100M, TP_FDX, LFP_OFF  
TP_DIS_TP_100M, TP_FDX, LFP ON  
TP_DIS_TP_100M, TP_FDX, LFP OFF  
TP: FORCE; 100M FULL; LFP ON  
TP: FORCE; 100M FULL; LFP OFF  
TP: FORCE; 100M HALF; LFP ON  
(TP_DIS or TP_AUTO), TP_100M, TP_  
HDX, LFP_ON  
(TP_DIS or TP_AUTO), TP_100M, TP_  
HDX, LFP_OFF  
TP: FORCE; 100M HALF; LFP OFF  
TP: FORCE; 10M FULL; LFP ON  
TP: FORCE; 10M FULL; LFP OFF  
TP_DIS, TP_10M, TP_FDX, LFP_ON  
TP_DIS, TP_10M, TP_FDX, LFP_OFF  
(TP_DIS or TP_AUTO), TP_10M, TP_  
HDX, LFP_ON  
TP: FORCE; 10M HALF; LFP ON  
TP: FORCE; 10M HALF; LFP OFF  
(TP_DIS or TP_AUTO), TP_10M, TP_  
HDX, LFP_OFF  
NOTES:  
1. We suggest leaving the switches on TP_AUTO, TP_100M, TP_FDX, and LFP_ON,  
because this configuration is suitable for most applications.  
2. The converter must be powered for the new configuration to take effect.  
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Chapter 5: Operation  
5.3 Link Fault Pass Through Function  
In common situations, when one side of the link fails, the other side continues  
transmitting packets and waits for a response that never arrives from the  
disconnected side.  
With the Link Fault Passthrough function enabled (optional with switch LFP), the TP  
port and FX port of the same converter will tell each other the fault link status so  
that when one side of the link fails, the other side will force the link to shut down as  
soon as noticed. See Figure 5-3.  
UTP  
cable  
TP Port B  
link failed  
UTP  
cable  
TP Port A  
link failed  
Device B  
Device A  
LHC201A  
or  
LHC202A  
LHC201A  
or  
LHC202A  
Fiber Port B  
gets link fault  
information  
Fiber Port A  
sends non-idle  
pattern  
Fiber cable  
Figure 5-3. Link Fault Passthrough.  
If link fail happens on TP port (A), the FX port (A) sends a non-idle pattern to notice  
the FX port (B). The FX port (B) then forces its TP port (B) to link failed after  
receiving the non-idle pattern. Link status LED will also be off for both converters  
and devices as shown in Table 5-4.  
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Chapter 5: Operation  
Table 5-4. Link LED functions.  
Link LED  
Device A  
Device B  
OFF  
OFF  
FX_LFP  
ON  
FX_Link/Act TP_Link/Act  
Converter A  
Converter B  
OFF  
OFF  
OFF  
OFF  
ON  
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Chapter 6: Troubleshooting  
6. Troubleshooting  
6.1 Calling Black Box  
If you determine that your Pure Networking Fast Ethernet Media Converter is  
malfunctioning, do not attempt to alter or repair the unit. It contains no  
user-serviceable parts. Contact Black Box Technical Support at 724-746-5500  
Before you do, make a record of the history of the problem. We will be able to  
provide 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.  
6.2 Shipping and Packaging  
If you need to transport or ship your Pure Networking Fast Ethernet Media  
Converter:  
• Package it carefully. We recommend that you use the original container.  
• If you are returning the unit, make sure you include everything you received with  
it. Before you ship for return or repair, contact Black Box to get a Return  
Authorization (RA) number.  
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NOTES  
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NOTES  
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NOTES  
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Black Box Tech Support: FREE! Live. 24/7.  
Tech support the  
way it should be.  
Great tech support is just 30 seconds away  
at 724-746-5500 or blackbox.com.  
About Black Box  
Black Box provides an extensive range of networking and infrastructure products.  
You’ll find everything from cabinets and racks and power and surge protection  
products to media converters and Ethernet switches all supported by free, live 24/7  
Tech support available in 30 seconds or less.  
© Copyright 2012. Black Box Corporation. All rights reserved.  
LHC201A/LHC202A, version 1  
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