Black Box CL090A-F Bedienungsanleitung

CUSTOMER

SUPPORT

INFORMATION

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

Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018

Web site: www.blackbox.com • E-mail: [email protected]

FEBRUARY 1996

CL090A-F CL090AE-F

CL090A-M CL090AE-M

CL091A-F CL091AE-F

CL091A-M CL091AE-M

CL092A-F CL092AE-F

CL092A-M CL092AE-M

HS RS-232↔Current Loop

Converter Active

HS RS232↔Current

Loop Converter -

Active

PWR

HS RS-232↔CURRENT LOOP CONVERTER ACTIVE

FEDERAL COMMUNICATIONS COMMISSION

AND

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.

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 Class A limits for radio noise emission from

digital apparatus set out in the Radio Interference Regulation of the Canadian

Department of Communications.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites

applicables aux appareils numériques de la classe A prescrites dans le Règlement sur le

brouillage radioélectrique publié par le ministère des Communications du Canada.

TRADEMARKS USED IN THIS MANUAL

AT&T is a registered trademark of American Telephone and Telegraph

Company.

Any other trademarks mentioned in this manual are acknowledged to be the

property of the trademark owners.

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.

3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de

operación deben ser respetadas.

4. Todas las instrucciones de operación y uso deben ser seguidas.

5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo,

cerca de la tina de baño, lavabo, sótano mojado o cerca de una alberca,

etc..

6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales

que sean recomendados por el fabricante.

7. El parato eléctrico debe ser montado a la pared o al techo sólo como sea

recomendado por el fabricante.

8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más

allá a lo descrito en las instrucciones de operación. Todo otro servicio

deberá ser referido a personal de servicio calificado.

9. El aparato eléctrico debe ser situado de tal manera que su posición no

interfiera su uso. La colocación del aparato eléctrico sobre una cama,

sofá, alfombra o superficie similar puede bloquea la ventilación, no se

debe colocar en libreros o gabinetes que impidan el flujo de aire por los

orificios de ventilación.

10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de

calor como radiadores, registros de calor, estufas u otros aparatos

(incluyendo amplificadores) que producen calor.

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.

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.

14. El equio eléctrico debe ser limpiado únicamente de acuerdo a las

recomendaciones del fabricante.

15. En caso de existir, una antena externa deberá ser localizada lejos de las

lineas de energia.

16. El cable de corriente deberá 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 ventilación.

18. Servicio por personal calificado deberá ser provisto cuando:

A: El cable de poder o el contacto ha sido dañado; u

B: Objectos han caído o líquido 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

desempeño; o

E: El aparato ha sido tirado o su cubierta ha sido dañada.

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. RS-232C Pin Connections............................................................17

Appendix B. Block Diagram..............................................................................18

HS RS-232↔CURRENT LOOP CONVERTER ACTIVE

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; CL092A-F,

CL092A-M, CL092AE-F, CL092AE-M: RJ-45

Operation Transmitter is always active; receiver can be

configured as active or passive with a switch

Transmission Line 19- to 26-AWG twisted pair

Range 4 miles (6.4 km) on 24-AWG twisted pair

Interfaces Asynchronous, EIA RS-232, CCITT V.24 full

duplex, 20-mA current loop

Indicators TD, RD, PWR

Isolation 1500V RMS via opto-isolators

Operating Temperature 32° to 140°F (0° to 60°C)

Humidity 0 to 95%, noncondensing

Altitude Up to 15,000 feet (4570 m)

Power 9 VDC at 500 mA; 110 VAC/60 Hz or

220 VAC/50 Hz

Size 2.7"H x 0.7"W x 2.1"D (6.9 x 1.8 x 5.3 cm)

Weight 1.5 oz. (42.5 g)

1. Specifications

HS RS-232↔CURRENT LOOP CONVERTER ACTIVE

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

transmitter.

Operating at full duplex, the HS RS-232↔Current Loop Converter Active

supports communication distances up to 4 miles (6.4 km) over two

unconditioned 24-AWG twisted pairs. To guard against data loss due to

ground loops, the Converter is equipped with 1500V RMS optical isolators on

the line side.

The HS RS-232↔Current Loop Converter Active connects directly to the RS-

232 interface using a male or female DB25 connector. An external DCE/ DTE

switch eliminates the need for a crossover cable on the RS-232 interface.

2.2 Features

•Full-duplex, asynchronous transmission over 4 wires.

•Data rates up to 115.2 Kbps.

•Optically isolated.

•Twisted-pair connection via terminal blocks, RJ-11, or RJ-45 jacks.

•External DCE/DTE switch.

•Receiver operates actively or passively; transmitter is active only.

•LEDs monitor transmit data, receive data, and power.

•DB25 male or female connectors on RS-232 side.

•Range to 4 miles (6.4 km) on 24-AWG twisted pair.

2. Introduction

HS RS-232↔CURRENT LOOP CONVERTER ACTIVE

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.

RCV G XMT

3. Configuration

Active/passive switch

Terminal Block

DCE/DTE Switch

AC Adapter

RCV

PWR

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.” The setting causes the Converter to behave like Data Terminal

Equipment, transmitting data on RS-232 pin 2 and receiving data on pin 3.

If the RS-232 device connected to the Converter is a PC, terminal, or host

computer (or is wired like DTE), set the switch to “DCE.” This setting causes

the Converter to behave like Data Communications Equipment, transmitting

data on RS-232 pin 3 and receiving data on pin 2. Remember, the switch

setting is always from the point of view of the HS RS-232↔ Current Loop

Converter Active, not the connected equipment.

3.2 Setting the Active/Passive Switch

The active/passive switch is used to control the mode of the receiver; it has no

control over the transmitter since the transmitter is fixed in the active mode.

To configure your HS RS-232↔Current Loop Converter Active receiver, you

first need to determine whether your device will be active or passive. If you are

going to use the HS RS-232↔Current Loop Converter Active receiver to

provide current for the loop, set the switch to the “active” position. If the HS

RS-232↔Current Loop Converter Active is to be used in an active loop, set

the HS RS-232↔Current Loop Converter Active receiver’s active/passive

switch to passive.

DCE DTE

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.”

Passive

Active

Active/Passive

Switch

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