2- to 4-Wire Hybrid Converter
Contents
1. BL ACK BOX alertar MC118A 2 to 4 Wire Hybrid Converter CUSTOMER Order toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 SUPPORT FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 INFORMATION Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com 2 TO 4 WIRE HYBRID CONVERTER 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 J of Part 15 of FCC rules which are designed to provide reasonable 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 compliance could void the user s authority to operate the equipment This digital apparatus does not exceed the C2. Converter NOTE You can mix terminal and jack connections if required Both the two wire and four wire connections are not sensitive to polarity so you can connect either terminal to Tip or Ring 2 TO 4 WIRE HYBRID CONVERTER 3 Your Converter is installed and ready for operation A Application Figure 4 1 shows a typical application of the 2 to 4 Wire Hybrid Converter Ey ia El Figure 4 1 Typical application of the Converter BLACK BOX Copyright 1998 Black Box Corporation All rights reserved 1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746
3. debe intentar dar servicio al equipo el ctrico m s alla a lo descrito en las instrucciones de operaci n Todo otro servicio deber ser referido a personal de servicio calificado El aparato el ctrico debe ser situado de tal manera que su posici n no interfiera su uso La colocaci n del aparato el ctrico sobre una cama sof alfombra o superficie similar puede bloquea la ventilaci n no se debe colocar en libreros o gabinetes que impidan el flujo de aire por los orificios de ventilaci n El equipo el ctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor El aparato el ctrico deber ser connectado a una fuente de poder s lo del tipo descrito en el instructivo de operaci n o como se indique en el aparato 2 TO 4 WIRE HYBRID CONVERTER 12 Precauci n debe ser tomada de tal manera que la tierra fisica y la polarizaci n 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 atenci n a los contactos y recept culos donde salen del aparato 14 El equipo el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de cor
4. elephone line It s a passive device that enables conversion of 2 wire analog modems for use on 4 wire 600 ohm leased lines The Converter connects to the modem and the line via your choice of RJ 11 or screw terminal connectors You can also mix RJ 11 and screw terminal connections if necessary Both the 2 wire and 4 wire connections are insensitive to polarity Since the Converter receives power from the attached device it requires no external power supply NOTE The Converter is designed to operate with 600 ohm VF leased lines only It s not intended for use on dial up lines 3 Installation 3 1 What to Do First The Converter is designed to work with 2 wire leased line modems with a transmit level of 0 dBm Make sure that your modem is set at this level before you install the Converter For instructions on setting the transmit level refer to your modem s user manual or call the modem s manufacturer 3 2 Installing the Converter The Converter is designed to operate with 600 ohm VF leased lines only Follow these steps to install the Converter 1 Connect the two wire modem to the terminal screw block or the RJ 11 connector on the 2W side of the Converter 2 Connect the four wire line Transmit and Receive pairs to the 4W terminal screw blocks marked TD and RD or connect the line to the RJ 11 modular jack marked 4W Figure 3 1 shows a schematic diagram of the connections Figure 3 1 2 and 4 wire connections on the
5. lass A limits for radio noise emission from digital apparatus set out in the Radio Interference Regulation of Industry Canada Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la classe A prescrites dans le R glement sur le brouillage radio lectrique publi par Industrie Canada TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners 2 TO 4 WIRE HYBRID CONVERTER 10 11 NORMAS OFICIALES MEXICANAS NOM ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD Todas las instrucciones de seguridad y operaci n deber n ser le das antes de que el aparato el ctrico sea operado Las instrucciones de seguridad y operaci n deber n ser guardadas para referencia futura Todas las advertencias en el aparato el ctrico y en sus instrucciones de operaci n deben ser respetadas Todas las instrucciones de operaci n y uso deben ser seguidas El aparato el ctrico no deber ser usado cerca del agua por ejemplo cerca de la tina de ba o lavabo s tano mojado o cerca de una alberca etc El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante Servicio El usuario no
6. riente deber 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 ventilaci n 18 Servicio por personal calificado deber ser provisto cuando A El cable de poder o el contacto ha sido da ado u B Objectos han ca do o l quido 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 desempe o o E El aparato ha sido tirado o su cubierta ha sido da ada 2 TO 4 WIRE HYBRID CONVERTER Contents Chapter Page T Specifications isis il tea ba O 2 INTTOdUCHON uses a a d dede pen 6 3 Installation di e 7 3 1 Whatito Do First 2222 80e An 7 5 2 Installing the Converter ed eene des see ii 7 A APP Cations sushi hber RE at ota sectes eos 9 2 TO 4 WIRE HYBRID CONVERTER 1 Specifications Operation Half duplex Protocol Transparent CE Approval Yes Impedance 600 ohms Through Signal Loss Less than 6 dBm Hybrid Rejection Greater than 30 dBm Interface 4 wire VF circuit Connectors 2 RJ 11 2 screw terminals Power From attached device Size 1 5 H x 3 5 W x 2 3 D 3 8 x 8 9 x 5 8 cm Weight 1 Ib 0 5 kg 2 TO 4 WIRE HYBRID CONVERTER 2 Introduction With the 2 to 4 Wire Converter you can use a 2 wire modem on a 4 wire leased t
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