Black Box CL095A-F Manual
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Black Box CL095A-F Manual

Hs rs-232-current loop converter passive
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HS RS-232↔Current Loop
Converter Passive
CUSTOMER
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
SUPPORT
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
INFORMATION
Web site: www.blackbox.com • E-mail: info@blackbox.com
CL095A-F
CL095A-M
CL096A-F
JULY 1995
CL096A-M
CL097A-F
CL097A-M

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Summary of Contents for Black Box CL095A-F

  • Page 1 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 SUPPORT Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 INFORMATION Web site: www.blackbox.com • E-mail: info@blackbox.com...
  • Page 2 HS RS-232↔CURRENT LOOP CONVERTER PASSIVE FEDERAL COMMUNICATIONS COMMISSION CANADIAN DEPARTMENT OF COMMUNICATIONS 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.
  • Page 3 HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 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.
  • Page 4 HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 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.

  • Page 5: Table Of Contents

    HS RS-232↔CURRENT LOOP CONVERTER PASSIVE Contents 1. Specifications.....................5 2. Introduction ......................6 2.1 Overview......................6 2.2 Features.......................6 3. Configuration ....................7 3.1 Overview......................7 3.2 Setting the DCE/DTE Switch ..............8 4. Installation......................9 4.1 Twisted-Pair Wiring ..................9 4.1.1 Twisted-Pair Connection Using Terminal Blocks ......9 4.1.2 Twisted-Pair Connection Using Modular Jacks ......14 4.2 Completing the Installation..............15 Appendix A.

  • Page 6: Specifications

    HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 1. Specifications Data Rates Up to 115.2 Kbps Connectors RS-232 side—CL095A-F, CL096A-F, CL097A-F: DB25 female; CL095A-M, CL096A-M, CL097A-M: DB25 male Current-Loop side—CL095A-F, CL095A-M: Terminal block with strain relief; CL096A-F, CL096A-M: RJ-11; CL097A-F, CL097A-M: RJ-45 19- to 26-AWG twisted pair...

  • Page 7: Introduction

    HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 2. Introduction 2.1 Overview The HS RS-232↔Current Loop Converter Passive lets an asynchronous RS-232 device communicate with an active 20-mA current-loop device. The HS RS-232↔Current Loop Converter Passive requires no AC power or batteries to operate and supports data rates up to 115.2 Kbps. Operating at full duplex, the HS RS-232↔Current Loop Converter Passive supports communication distances up to 4 miles (6.4 km) over two unconditioned 24-AWG twisted pairs.

  • Page 8: Configuration

    HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 3. Configuration 3.1 Overview The HS RS-232↔Current Loop Converter Passive is easy to use. There are no internal jumpers or DIP switches to set, so there’s no need to open the case to configure the unit. (You may need to open the case for wire connection. See Chapter 4.) The only configuration necessary for operation is setting the external DCE/DTE switch.

  • Page 9: Setting The Dce/Dte Switch

    HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 3.2 Setting the DCE/DTE Switch For your convenience, the Converter has an externally accessible DCE/DTE switch (see the diagram below). If the RS-232 device connected to the Converter is a modem or multiplexor (or is wired like one), set the switch to “DTE.”...

  • Page 10: Installation

    LOCKS The terminal block/strain-relief version of the HS RS-232↔Current Loop Converter Passive (CL095A-F and CL095A-M) allows you to hook up the line- side interface using bare wires. The following instructions will tell you how to open the case, connect the bare wires, and fasten the strain-relief collar in...
  • Page 11 HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 1. Open the unit by gently inserting a screwdriver between the DB25 connector and the lip of the plastic case (see the diagram below). You don’t have to worry about breaking the plastic, but be careful not to bend the D-sub connector.
  • Page 12 HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 2. Strip the outer insulation from the twisted pairs about one inch from the end. 3. Strip back the insulation on each of the two twisted-pair wires about one quarter of an inch. 4. Connect one pair of wires in the telephone cable to XMT (Transmit) on the terminal block, being careful to observe polarity.
  • Page 13 HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 7. When you finish connecting the wires to the terminal block, the assembly should resemble the diagram below. 8. Place the two halves of the strain-relief assembly on either side of the telephone wire and press together very lightly. Slide the assembly so that it is about two inches (5.1 cm) from the terminal posts and press together firmly.
  • Page 14 HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 9. Insert the strain-relief assembly with the wire going through it into the slot in the bottom half of the modem case and set it into the recess in the case. 10. Bend the top half of the case as necessary to place it over the strain-relief assembly.

  • Page 15: Twisted-Pair Connection Using Modular Jacks

    HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 4.1.2 T WISTED ONNECTION SING ODULAR ACKS The modular versions of the HS RS-232↔Current Loop Converter Passive have an RJ-11 (CL096A-F and CL096A-M) or RJ-45 (CL097A-F and CL097A- M) jack mounted in the case. These jacks are prewired for a standard telco wiring environment.

  • Page 16: Completing The Installation

    HS RS-232↔CURRENT LOOP CONVERTER PASSIVE 4.2 Completing the Installation Once you have configured the Converter for DCE or DTE and connected the twisted-pair wires correctly, simply plug the Converter into the RS-232 data port. Remember to insert and tighten the two captive connector screws. The HS RS-232↔Current Loop Converter Passive requires no power supply or batteries for operation.

  • Page 17: Appendix A. Rs-232C Pin Configurations

    HS RS-232↔CURRENT LOOP CONVERTER PASSIVE Appendix A. RS-232C Pin Configurations DIRECTION STANDARD “DCE” SETTING DIRECTION 1- (FG) Frame Ground 2- (TD) Transmit Data To Converter 3- RD) Receive Data From Converter 4- (RTS) Request to Send To Converter 5- (CTS) Clear to Send From Converter 6- (DSR) Data Set Ready From Converter...

  • Page 18: Appendix B. Block Diagram

    HS RS-232↔CURRENT LOOP CONVERTER PASSIVE Appendix B. Block Diagram Current Switch Schmitt Optical Isolation Trigger Schmitt Current Switch Trigger Optical Isolation +DCV Power Supply FGND SGND...
  • Page 19 © Copyright 1995. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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