Black Box Network Hardware BLACK BOX NETWORK SERVICES User Manual
ME231A-R2  
ME232A-R2  
ME233A-R2  
G.SHDSL Two-Wire Extender/NTU  
Extend E1/T1, X.21, or V.35 communications over two wires  
 
RADIO FREQUENCY INTERFERENCE STATEMENTS  
RADIO FREQUENCY INTERFERENCE STATEMENTS  
FEDERAL COMMUNICATIONS COMMISSION AND INDUSTRY CANADA RADIO  
FREQUENCY INTERFERENCE STATEMENTS  
This equipment generates, uses, and can radiate 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 communication. It has been tested and  
found to comply with the limits for a Class A computing device in accordance with the  
specifications in Subpart B of Part 15 of FCC rules, which are designed to provide rea-  
sonable protection against such interference when the equipment is operated in a  
commercial environment. Operation of this equipment in a residential area is likely to  
cause interference, in which case the user at his own expense will be required to take  
whatever measures may be necessary to correct the interference.  
Changes or modifications not expressly approved by the party responsible for compli-  
ance could void the user’s authority to operate the equipment.  
This digital apparatus does not exceed the Class A 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 la classe A prescrites dans le Règle-  
ment sur le brouillage radioélectrique publié par Industrie Canada.  
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Black Box G.SHDSL.bis NTU  
INSTRUCCIONES DE SEGURIDAD  
(Normas Oficiales Mexicanas Electrical Safety Statement)  
2. Todas las instrucciones de seguridad y operación deberán ser leídas antes de  
que el aparato eléctrico sea operado.  
3. Las instrucciones de seguridad y operación deberán ser guardadas para referen-  
cia futura.  
4. Todas las advertencias en el aparato eléctrico y en sus instrucciones de oper-  
ación deben ser respetadas.  
5. Todas las instrucciones de operación y uso deben ser seguidas.  
6. 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..  
7. El aparato eléctrico debe ser usado únicamente con carritos o pedestales que  
sean recomendados por el fabricante.  
8. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea  
recomendado por el fabricante.  
9. 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.  
10.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.  
11.El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como  
radiadores, registros de calor, estufas u otros aparatos (incluyendo amplificado-  
res) que producen calor.  
12.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.  
13.Precaución debe ser tomada de tal manera que la tierra fisica y la polarización  
del equipo no sea eliminada.  
14.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 par-  
ticular atención a los contactos y receptáculos donde salen del aparato.  
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INSTRUCCIONES DE SEGURIDAD  
15.El equipo eléctrico debe ser limpiado únicamente de acuerdo a las recomenda-  
ciones del fabricante.  
16.En caso de existir, una antena externa deberá ser localizada lejos de las lineas  
de energia.  
17.El cable de corriente deberá ser desconectado del cuando el equipo no sea  
usado por un largo periodo de tiempo.  
18.Cuidado debe ser tomado de tal manera que objectos liquidos no sean derrama-  
dos sobre la cubierta u orificios de ventilación.  
19.Servicio por personal calificado deberá ser provisto cuando:  
• El cable de poder o el contacto ha sido dañado; u  
• Objectos han caído o líquido ha sido derramado dentro del aparato; o  
• El aparato ha sido expuesto a la lluvia; o  
• El aparato parece no operar normalmente o muestra un cambio en su desem-  
peño; o  
• El aparato ha sido tirado o su cubierta ha sido dañada.  
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Black Box G.SHDSL.bis NTU  
SAFETY WHEN WORKING WITH ELECTRICITY  
• This device contains no user serviceable parts. This  
device can only be repaired by qualified service personnel.  
• Do not open the device when the power cord is connected.  
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.  
WARNING  
• 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 compliance with local regu-  
latory 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 interconnecting  
cables are rated for proper voltage, current, anticipated  
temperature, flammability, and mechanical serviceability.  
• WAN, LAN & PSTN ports (connections) may have hazard-  
ous voltages present regardless of whether the device is  
powered ON or OFF. PSTN relates to interfaces such as  
telephone lines, FXS, FXO, DSL, xDSL, T1, E1, ISDN, Voice,  
etc. These are known as “hazardous network voltages” and  
to avoid electric shock use caution when working near  
these ports. When disconnecting cables for these ports,  
detach the far end connection first.  
• Do not work on the device or connect or disconnect  
cables during periods of lightning activity.  
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Safety When Working With Electricity  
In accordance with the requirements of council  
directive 2002/96/EC on Waste of Electrical and  
Electronic Equipment (WEEE), ensure that at  
end-of-life you separate this product from other  
waste and scrap and deliver to the WEEE col-  
lection system in your country for recycling.  
This device contains no user serviceable parts.  
This device can only be repaired by qualified  
service personnel.  
WARNING  
WARNING  
This device is NOT intended nor approved for  
connection to the PSTN. It is intended only for  
connection to customer premise equipment.  
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 following to pre-  
vent 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 channel unwanted ESD voltages  
to ground.  
WARNING  
• 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 chas-  
sis.  
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Black Box G.SHDSL.bis NTU  
Thank you for your purchase of this Black Box product! This product  
has been thoroughly inspected and tested and is warranted for one  
year for parts and labor. If any questions or problems arise during  
installation or use of this product, contact Black Box Technical Support.  
1. SELECT CONFIGURATION METHOD  
Before powering up, you must select one of the following methods for configuring your  
Black Box:  
• Plug ‘n’ Play—The Black Box comes factory-configured for Plug ’n’ Play config-  
uration when connected to a service-provider network.  
• DIP Switch—For deploying the Black Box in back-to-back applications. To use  
DIP-switch configuration you must first set the DIP switches to a position other  
than all OFF or all ON before powering-up the Black Box.  
• Software Configuration—Allows you to modify configurable parameters by con-  
necting a PC to the console port and issuing software commands. To use soft-  
ware configuration you must set all the DIP switches to the ON position before  
powering-up the Black Box.  
2. POWER UP THE NTU  
Your G.SHDSL.bis NTU comes with one of the following power supply options:  
• External AC adaptor with detachable power cord  
• External DC power supply with terminal block connector (model 48V-PSM3)  
2.1 MODELS WITH EXTERNAL AC ADAPTOR  
1. Connect female plug of the AC power cord to the AC adaptor provided.  
2. Connect the barrel-type connector of the AC adaptor to the Power connector on  
the Black Box.  
3. Insert the male plug of the AC power cord into an AC power outlet (100–240  
VAC).  
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Connect the G.SHDSL Port  
2.2 MODELS WITH EXTERNAL DC POWER SUPPLY  
The 36-60 VDC DC to DC adapter is supplied with the DC version of the G.SHDSL.bis  
NTU. The black and red leads plug into a DC source (nominal 48VDC) and the barrel  
power connector plugs into the barrel power supply jack on the G.SHDSL.bis NTU.  
(See Figure 1.)  
To Power  
To -48VDC  
Supply Jack  
Source  
-Vin  
Black lead (-V)  
Red lead (+V)  
+Vin  
Barrel power connector  
Figure 1. DC Power Supply  
Figure 2. ME233A-R2  
2.3 POWER UP INDICATION  
Verify that the Power LED (see Figure 2) illuminates and remains lit.  
Once the LB510A-R2 is properly configured and installed, it should operate transpar-  
ently. The following sections describe power-up and reading the LED status monitors.  
3. CONNECT THE G.SHDSL PORT  
1. Obtain single-twisted-pair cable with an RJ-45 plug connector at each end.  
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Black Box G.SHDSL.bis NTU  
2. Plug one end of the cable into the RJ-45 socket (labelled DSL) on the Black Box  
NTU.  
• If you are connecting to a DSL service, plug the other end of the cable into the  
RJ-45 wall socket that provides your G.SHDSL service.  
• If connecting to another Black Box, verify the other end of the cable is connected  
to the DSL port on other Black Box and the DSL port is correctly configured.  
3. When a DSL link is established, the front-panel DSL LED will turn on.  
4. CONNECT THE SERIAL PORT  
Your Black Box comes with one of the following serial WAN ports for connection to an  
NTU:  
• V.35 (DB-25F)—ME233A-R2  
• X.21 (DB-15)—ME232A-R2  
• E1 (120-Ohm RJ-48C and dual 75-Ohm BNC connectors)—ME231A-R2  
Connect the serial cable to the Black Box serial port as follows:  
1. Attach the male connector of the serial cable to the female serial connector on the  
Black Box.  
2. Attach the other end of the cable to the serial connector on the local serial NTU.  
NOTE: You can connect the V.35 interface to an M/34 connector using the interface  
adapter.  
NOTE: You can configure the E1 interface to either recover the network clock from the  
E1 line or supply the network clock for the E1 line.  
5. ADDITIONAL INFORMATION  
For detailed information about installing, configuring, operating and troubleshooting,  
refer to the following.  
To download the user manual for the ME232A-R2 using a Firefox® browser, go to  
ftp://ftp.blackbox.com/manuals/M/ME232A-R2_user.pdf.  
To download the user manual for the ME232A-R2 using an Internet Explorer®  
browser, go to  
ftp://ftp.blackbox.com/anonymous/manuals/M/ME232A-R2_user.pdf.  
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Additional Information  
A. COMPLIANCE INFORMATION  
A.1 COMPLIANCE  
EMC:  
• FCC Part 15, Class A  
• EN55022, Class A  
• EN55024  
Safety:  
• UL 60950-1/CSA C22.2 NO, 60950-1  
• EIC/EN60950-1  
• AS/NZS 60950-1  
A.2 EC DECLARATION OF CONFORMITY  
Product Description: Black Box G.SHDSL.bis NTU  
This equipment conforms to the requirements of Council Directive 1999/5/EC on the  
approximation of the laws of the member states relating to Radio and Telecommunica-  
tion Terminal Equipment and the mutual recognition of their conformity.  
The safety advice in the documentation accompanying the  
products shall be obeyed. The conformity to the above direc-  
tive is indicated by the CE sign on the device.  
A.3 AUTHORIZED EUROPEAN REPRESENTATIVE  
D R M Green  
European Compliance Services Limited.  
Oakdene House, Oak Road  
Watchfield,  
Swindon, Wilts SN6 8TD, UK  
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