Black Box CL080A-F Manual
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Black Box CL080A-F Manual

Black Box CL080A-F Manual

Hs rs-232-60 ma current loop converter
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HS RS-232↔60 ma Current Loop
CUSTOMER
SUPPORT
INFORMATION
Converter
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
JULY 1997
CL080A-F
CL081A-M
CL080A-M
CL081A-F
CL082A-M
CL082A-F

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Summary of Contents for Black Box CL080A-F

  • Page 1 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...
  • Page 2 HS RS-232↔60 MA CURRENT LOOP CONVERTER FEDERAL COMMUNICATIONS COMMISSION 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...
  • Page 3 HS RS-232↔60 MA CURRENT LOOP CONVERTER 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↔60 MA CURRENT LOOP CONVERTER 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.

  • Page 5: Table Of Contents

    HS RS-232↔60 MA CURRENT LOOP CONVERTER Contents Chapter Page 1. Specifications ..........5 2.

  • Page 6: Specifications

    Isolation—2500 V RMS via opto-isolators Surge Suppression—Over-voltage protection for opto-isolators via Silicon Avalance Diodes Connectors—CL080A-F: (1) DB25 female, (1) terminal block; CL080A-M: (1) DB25 male, (1) terminal block; CL081A-F: (1) DB25 female, (1) RJ-45; CL081A-M: (1) DB25 male, (1) RJ-45; CL082A-F: (1) DB25 female, (1) RJ-11;...

  • Page 7: Introduction

    HS RS-232↔60 MA CURRENT LOOP CONVERTER 2. Introduction The HS RS-232↔60 ma Current Loop Converter lets an asynchronous RS-232 device communicate with a 60-mA current-loop device. The Converter requires no AC power or batteries to operate and supports data rates to 115.2 kbps. Operating full duplex, the Converter supports communication distances up to 4 miles over two unconditioned 24 AWG twisted pair, depending on the data speed.

  • Page 8: Configuration

    HS RS-232↔60 MA CURRENT LOOP CONVERTER 3. Configuration The Converter is designed to be easy to use. There are no internal jumpers or DIP switches to set, so there is no need to open the case to configure the unit (you may need to open the case for wire connection—refer to Chapter 4).

  • Page 9: Setting The Dce/Dte Switch

    HS RS-232↔60 MA CURRENT LOOP CONVERTER 3.1 Setting the DCE/DTE Switch For your convenience, the Converter has an externally accessible DCE/DTE switch. If the RS-232 device connected to the Converter is a modem or multiplexor (or is wired like one), set the switch to “DTE.” This setting causes the Converter to behave like Data Terminal Equipment and transmit data on pin 2.

  • Page 10: Installation

    HS RS-232↔60 MA CURRENT LOOP CONVERTER 4. Installation The Converter is simple to install. After configuring the DTE/DCE switch, connect the two twisted pairs using one of three methods: terminal blocks with strain relief, RJ-11 jack, or RJ-45 jack. The method you use will depend on the specific model you have.
  • Page 11 HS RS-232↔60 MA CURRENT LOOP CONVERTER Figure 4-2. Opening the Unit. Figure 4-3. Opening the Unit.
  • Page 12 HS RS-232↔60 MA CURRENT LOOP CONVERTER 2. Strip the outer insulation from the twisted pairs about one inch from the end. 3. Strip back the insulation on each of the 2 twisted-pair wires about ⁄ inch. Figure 4-4. Stripping the Insulation.
  • Page 13 HS RS-232↔60 MA CURRENT LOOP CONVERTER 4. Connect one pair of wires in the telephone cable to “XMT” (Transmit) on the terminal block, being careful to observe the polarity. (The wire connected to “XMT+” must be connected at the other end of the telephone line to “RCV+”...
  • Page 14 HS RS-232↔60 MA CURRENT LOOP CONVERTER 8. Place the 2 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 2 inches from the terminal posts and press together firmly. Figure 4-6.
  • Page 15 HS RS-232↔60 MA CURRENT LOOP CONVERTER Figure 4-7. Inserting the Strain Relief Assembly into the Slot. 10. BEND the top half of the case as necessary to place it over the strain relief assembly. Do not snap the case together yet.

  • Page 16: Twisted-Pair Connection Using Modular Jacks

    HS RS-232↔60 MA CURRENT LOOP CONVERTER 11. Insert one captive screw through a saddle washer and then insert the captive screw with the washer on it, through the hole in the DB25 end of the case. Snap that side of the case closed. Repeat the process for the other side.

  • Page 17: Completing The Installation

    HS RS-232↔60 MA CURRENT LOOP CONVERTER 4.2 Completing the Installation Once you have configured the unit for DTE or DCE 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 Converter requires no power supply or batteries for operation.

  • Page 18: Appendix: Rs-232C Pin Configurations

    HS RS-232↔60 MA CURRENT LOOP CONVERTER Appendix: 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 19 HS RS-232↔60 MA CURRENT LOOP CONVERTER DIRECTION STANDARD “DTE” SETTING DIRECTION 1- (FG) Frame Ground 2- (TD) Transmit Data From Converter 3- RD) Receive Data To Converter 4- (RTS) Request to Send From Converter 5- (CTS) Clear to Send To Converter 6- (DSR) Data Set Ready To Converter 7- (SG) Signal Ground...
  • Page 20 © Copyright 1997. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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