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HS RS-232↔Current Loop
Converter Active
CUSTOMER
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
SUPPORT
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
INFORMATION
Web site: www.blackbox.com • E-mail: info@blackbox.com
T D
r e n t
C u r
3 2 ↔
R D
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r t e r
R S 2
n v e
p C o
H S
v e
R
L o o
A c t i
P W
+
FEBRUARY 1996
CL090A-F
CL090A-M
CL091A-F
CL091A-M
CL092A-F
CL092A-M
CL090AE-F
CL090AE-M
CL091AE-F
CL091AE-M
CL092AE-F
CL092AE-M
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Summary of Contents for Black Box CL090A-F
- Page 1 Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 SUPPORT Mail order: 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 ACTIVE 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 ACTIVE 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 ACTIVE 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.
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Page 5: Table Of Contents
HS RS-232↔CURRENT LOOP CONVERTER ACTIVE Contents 1. Specifications.....................5 2. Introduction ......................6 2.1 Overview......................6 2.2 Features.......................6 3. Configuration ....................7 3.1 Setting the DCE/DTE Switch ..............7 3.2 Setting the Active/Passive Switch ..............8 4. Installation.......................10 4.1 Twisted-Pair Wiring ..................10 4.1.1 Twisted-Pair Connection Using Terminal Blocks ......10 4.1.2 Twisted-Pair Connection Using Modular Jacks ......15 4.2 Completing the Installation..............16 Appendix A. -
Page 6: Specifications
HS RS-232↔CURRENT LOOP CONVERTER ACTIVE 1. Specifications Data Rates Up to 115.2 Kbps Connectors RS-232 side—CL090A-F, CL091A-F, CL092A- F, CL090AE-F, CL091AE-F, CL092AE-F: DB25 female; CL090A-M, CL091A-M, CL092A-M, CL090AE-M, CL091AE-M, CL092AE-M: DB25 male Current-Loop side—CL090A-F, CL090A-M, CL090AE-F, CL090AE-M: Terminal block with strain relief; CL091A-F, CL091A-M, CL091AE-F, CL091AE-M: RJ-11;... -
Page 7: Introduction
HS RS-232↔CURRENT LOOP CONVERTER ACTIVE 2. Introduction 2.1 Overview The HS RS-232↔Current Loop Converter Active lets an asynchronous RS-232 device communicate with a passive 20-mA current-loop device. Equipped with an external power supply, the Converter supports data rates up to 115.2 Kbps. The HS RS-232↔Current Loop Converter Active transmitter is active and must be connected to a passive receiver, and the HS RS-232↔Current Loop Converter Active receiver can accommodate either a passive or active... -
Page 8: Configuration
HS RS-232↔CURRENT LOOP CONVERTER ACTIVE 3. Configuration The HS RS-232↔Current Loop Converter Active is easy to use. The only configuration necessary for operation is the proper setting of two switches: the external DCE/DTE switch and the internal active/passive switch. 3.1 Setting the DCE/DTE Switch The figure below shows the location of the DCE/DTE switch on the PC board, as well as the location of the terminal block. -
Page 9: Setting The Active/Passive Switch
HS RS-232↔CURRENT LOOP CONVERTER ACTIVE 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 DCE), set the switch to “DTE.”... - Page 10 HS RS-232↔CURRENT LOOP CONVERTER ACTIVE CAUTION Never connect two active devices together. Your configuration must be “active to passive” or “passive to active.” Active Active/Passive Switch Passive...
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Page 11: Installation
LOCKS The terminal block/strain-relief version of the HS RS-232↔Current Loop Converter Active (CL090A-F, CL090A-M, CL090AE-F, CL090AE-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... - Page 12 HS RS-232↔CURRENT LOOP CONVERTER ACTIVE 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 13 HS RS-232↔CURRENT LOOP CONVERTER ACTIVE 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 the polarity.
- Page 14 HS RS-232↔CURRENT LOOP CONVERTER ACTIVE 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 15 HS RS-232↔CURRENT LOOP CONVERTER ACTIVE 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. 11. Insert one captive screw through a saddle washer, then insert the captive screw with the washer on it through the hole in the DB25 end of the case.
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Page 16: Completing The Installation
HS RS-232↔CURRENT LOOP CONVERTER ACTIVE RJ-11 Signal RJ-45 Signal 1 .....GND † ......2 .....RCV- 2 ......GND 3 .....XMT+ 3 ......RCV- 4 .....XMT- 4 ......XMT+ 5 .....RCV+ 5 ......XMT- 6 .....GND ......RCV+ ............† Connection to ground is optional 1 - Blue 2 - Orange 1 - Blue... -
Page 17: Appendix A. Rs-232C Pin Connections
HS RS-232↔CURRENT LOOP CONVERTER ACTIVE Appendix A. RS-232C Pin Connections Signal 1 ........FG 2 ........TD 3 ........RD 7 ........GND 9 ........+V... -
Page 18: Appendix B. Block Diagram
HS RS-232↔CURRENT LOOP CONVERTER ACTIVE Appendix B. Block Diagram 9VDC Data Detection Level Constant DCE/DTE Conversion Current Switch Amplifier Amplifier Active/ Data Passive Detection Switch Level Current Conversion Optocoupler Limiter Amplifier 9VDC Current Constant Power Source Current Reference Amplifier 9VDC Regulated Power Supply... - Page 19 HS RS-232↔CURRENT LOOP CONVERTER ACTIVE...
- Page 20 © Copyright 1996. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...
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