V.24↔V.35 Interface Converter
Contents
1. BLACK BOX 777777 APRIL 1991 1C720A V 24 V 35 Interface Converter D mln con oon on Leo oon Loo on LX LLL LL LLL LL LL TTTTTTTTTTI CUSTOMER SUPPORT INFORMATION Order toll free in the U S Call 877 877 BBOX outside U S 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 Web site www blackbox com E mail info blackbox com FCC STATEMENT 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 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 auth2. ctrico m s all a lo descrito en las instrucciones de operaci n Todo otro servicio deber ser referido a personal de servicio calificado 9 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 STATEMEN 0 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 1 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 Precauci n debe ser tomada de tal manera que la tierra fisica y la 7 deb t da de tal lat f I polarizaci n del equipo no sea eliminada 3 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 4 El equipo el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante 5 En caso de existir una antena externa deber ser localizada lejos de las lineas de energia 6 El cable de corriente deber ser desconectado de
3. V 35 34 pin male or female CHAPTER 1 Specifications Power Derives power from interface Size 0 9 H x 2 1 W x 4 3 D 2 3 x 5 3 x 10 9 cm Weight 0 9 Ib 0 4 kg including cable and connectors V 24 lt gt V 35 INTERFACE CONVERTER 2 Introduction The 24 lt gt 35 Interface Converter connects two data communications products one has a V 24 interface and the other has a V 35 interface The converter is used in synchronous applications and operates at data rates up to 64 kbps It converts the physical as well as the electrical interfaces Its circuitry converts the interface within short range use the converter to connect devices located close to each other less than 6 5 feet 2 m apart The converter operates without AC power using ultra low power from the DTE and DCE equipment data and control signals It is switch selectable for one of the following two applications Connecting a V 24 RS 232 DTE to a V 35 DCE Connecting a V 24 RS 232 DCE to a V 35 DTE The converter offers these features Cable and connectors are built into a single unit Transparent to protocol CHAPTER 2 Introduction Operates at speeds up to 64 kbps Quick and easy install Works without AC power Compact and lightweight V 24 lt gt V 35 INTERFACE CONVERTER 3 Configuration and Installation The converter installs between an RS 232 device configured as DTE or DCE and a V 35 device co
4. 1 9000 Figure 3 V 35 DTE V 24 DCE 6 To close the unit press the two plastic covers together To install the converter plug the RS 232 connector into your RS 232 device and plug the V 35 connector into your V 35 device The converter is now ready for operation CHAPTER 4 Schematic Diagrams 4 Schematic Diagrams The following diagrams apply to V 35 DTE V 24 DCE and V 24 DTE V 35 DCE configurations V 24 lt gt V 35 INTERFACE CONVERTER V 35 DTE V 24 DCE i A 1 Protective i M Shield GND Signal GND By 7o Signal GND RTS ED RTS CTS D 5 CTS DSR bons DTR H 7 DTR DCD EZ DCD lt jx m jo TC a 15 TC TC b AA V RC a 17 RC RC b x U EXT TC a 24 m EXTTC EXT TC b TD a E 2 S TD TD b RD a R 3 T RD RD b Figure 4 V 35 DTE V 24 DCE NOTE DTE DCE defines the device to which the converter is attached not the converter CHAPTER 4 Schematic Diagrams V 24 DTE V 35 DCE 1 A P rote cti v e ee Shi GND Shield 7 Signal GND e 29 e Signal GND 4 RTS RTS 5 CTS 6 CTS DSR DSR 2 DTR DTR DCD BE DCD gt m TC a TC 5 AA TC b y RC 17 x RC b U 24 EXT TC a EXTTC w EXT TC b TD a TD b 4 N ju RD a RD RD b Figure 5 V 24 DTE V 35 DCE NOTE DTE DCE defines the device to whic
5. h the converter is attached not the converter BLACK BOX O Copyright 1991 Black Box Corporation All rights reserved 1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746
6. l cuando el equipo no sea usado por un largo periodo de tiempo 7 Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilaci n 8 Servicio por personal calificado deber ser provisto cuando A 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 V 24 lt gt V 35 INTERFACE CONVERTER TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged lo be the property of the trademark owners TABLE OF CONTENTS Contents Chapter Page l Specifications iios eheu 6 2 nrod chon a 8 3 Configuration and Installation 10 4 Schematic 13 V 24 lt gt V 35 INTERFACE CONVERTER 1 Specifications Speed Up to 64 kbps Maximum Distance 6 5 ft 2 m Operation Synchronous Leads Supported V 35 D H P R S T U V W X Y AA V 24 RS 232 1 2 3 4 5 6 7 8 15 17 20 24 Indicators None Flow Control Provided by attached devices transparent to protocol Interface V 24 RS 232 and V 35 both DTE DCE shunt selectable Connectors V 24 DB25 male
7. nfigured as DCE or DTE If one device is configured as DTE the other device must be configured as DCE and vice versa You configure the cable to fit your equipment by moving a jumper on the circuit board inside the RS 232 connector typical application appears in Figure 1 Interface X Interface Y V 35 Synchronous Modem or Multiplexor Synchronous Terminal Figure 1 Typical Application of the V 24 V 35 Interface Converter CHAPTER 3 Configuration and Installation The converter is factory strapped for V 24 DTE V 35 DCE as shown in Figure 2 Figure 2 V 24 DTE V 35 DCE To configure the cable for V 35 DTE V 24 DCE follow these steps 1 Locate the RS 232 connector on the cable 2 remove the cover of the connector press in on the four tabs located on each side of the connector and lift the top half of the cover from the bottom half 3 Locate the 40 pin DTE DCE socket on the connector circuit board Figure 2 illustrates the board s factory configuration 8 V 24 lt gt V 35 INTERFACE CONVERTER 4 Remove the DTE DCE socket by gently grasping both sides and slowly moving it from side to side 5 Turn the socket around and replace it so that the DCE side labeled on the socket faces the V 24 connector of the cable and the DTE faces the V 35 device see Figure 3 Make sure that the pins are aligned with the socket 390
8. ority 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 pr sent appareil num rique n pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de classe A prescrites dans le Reglement sur le brouillage radio lectrique publi par Industrie Canada V 24 lt gt V 35 INTERFACE CONVERTER NORMAS OFICIALES MEXICANAS NOM ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1 Todas las instrucciones de seguridad y operaci n deber n ser le das antes de que el aparato el ctrico sea operado 2 Las instrucciones de seguridad y operaci n deber n ser guardadas para referencia futura 3 Todas las advertencias en el aparato el ctrico y en sus instrucciones de operaci n deben ser respetadas 4 Todas las instrucciones de operaci n y uso deben ser seguidas 5 Elaparato 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 5 Elaparato el ctrico debe ser usado nicamente con carritos o pedestales 6 El to el ct deb d t t destal que sean recomendados por el fabricante 7 El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo el
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