Black Box COS-2 Manuale utente

Black Box Corporation

The Source for Connectivity

P.O. Box 12800 • Pittsburgh, PA 15241 • (412) 746-5500 • Fax (412) 746-0746

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

classe A prescrites dans le Règlement sur le brouillage

radioélectrique publié par le ministère des Communications du

Canada.

TRADEMARKS USED IN THIS MANUAL

AT and PS/2 are registered trademarks, and PC/XT is a

trademark, of International Business Machines Corporation.

FCC AND DOC/MDC STATEMENTS

HIGH SPEED COS-2

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 aparato 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.

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.

NOM STATEMENT

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 equipo 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.

HIGH SPEED COS-2

Contents

Chapter Page

1. Specifications ........................................................................................ 7

2. Introduction ......................................................................................... 9

3. Configuration ..................................................................................... 10

3.1 Selecting the Operating Mode ................................................... 10

3.2 Setting Communication Parameters ........................................... 10

3.3 Choosing an Arming Code .......................................................... 10

4. Installation .......................................................................................... 20

4.1 Placement and Mounting ............................................................ 20

4.2 Cabling ......................................................................................... 21

4.3 Power Connection ....................................................................... 23

5. Operation ........................................................................................... 24

5.1 Power-Up ..................................................................................... 24

5.2 Switching ...................................................................................... 24

5.3 The Self-Test ................................................................................ 25

6. Troubleshooting ................................................................................. 26

6.1 First Steps ..................................................................................... 26

6.2 Calling Your Supplier ................................................................. 26

6.3 Shipping and Packaging .............................................................. 27

CHAPTER 1: Specifications

Compliance —

FCC Class A, DOC Class/MDC classe A

Interface —

EIA RS-232 serial (all ports DCE)

Protocol —

Asynchronous

Data Formats —

Either 7 data bits with odd or even parity or 8 data

bits with no parity (user-selectable); always 1 stop bit

Data Rates —

115,200, 57,600, 38,400, 19,200, 9600, 2400, 1200,

and 600 bps (user-selectable)

Maximum

Distances —

50 ft. (15.2 m) to each connected device

User Controls —

(2) Front-mounted slide switches: (1) for power,

(1) for switching mode (text, graphics, or

transparent);

(2) Bottom-mounted 8-position DIP switches for

arming code and communication parameters

Diagnostic —

User-selectable power-up self-test

Indicators —

(4) LEDs: (2) Operating Mode, (2) Printer Selected

Connectors —

(3) DB25 female: (2) switched, (1) common

Leads/Signals

Supported —

Pins 1, 2, 3, 5, 7, and 20 (PGND, TD, RD, CTS,

SGND, and DTR respectively); all but Pin 1 (PGND)

are switched;

Pins 6 and 8 (DSR and RLSD [DCD]) are tied high

1. Specifications

HIGH SPEED COS-2

Power —

SW284A:

From wallmount power supply PS115:

Input: 115 VAC, 60 Hz;

Output: 9 VDC, 200 mA;

SW284AE:

From desktop power supply PS115E:

Input: 230 VAC, 50 Hz;

Output: 9 VDC, 200 mA

MTBF —

100,000 hours

Altitude

Tolerance —

15,000 ft. (4572 m)

Temperature

Tolerance —

Operating: 32 to 104˚ F (0 to 40˚ C);

Storage: –4 to 158˚ F (–20 to 70˚ C)

Humidity

Tolerance —

Up to 95% noncondensing

Size —

1"H x 3.2"W x 5.8"D (2.5 x 8.1 x 14.7 cm)

Weight —

1 lb. (0.5 kg)

CHAPTER 2: Introduction

With the High Speed COS-2, you can send a code sequence from an

asynchronous RS-232 device and switch between two other such devices. By

using this electronic method to switch, you avoid the problems that can

occur (especially with laser printers) when you switch manually. You can

select any two-byte sequence as the “arming code” (the code that causes the

COS-2 to switch).

As you can see, the COS-2 is very light and compact. For this reason,

we’ve included a hook-and-loop fastener that you can use to attach the unit

directly to any number of surfaces, including the housings of PCs and

printers.

The COS-2 has three modes of operation, which you can choose between

with the appropriate slide switch on the front panel. In Text mode, the user

can send the chosen arming code, followed by the ASCII character

corresponding to the desired port (either “B” or “C”), immediately

following other data. In Graphics mode, the arming code and port

character are not recognized unless they are preceded by a pause. (You can

select the length of this pause.) In Transparent mode, arming codes are not

recognized and switching does not occur.

2. Introduction

HIGH SPEED COS-2

Before you install the High Speed COS-2, you should configure it for your

application.

Section 3.1

describes setting the front-panel Mode switch to

select your desired operating mode.

Section 3.2

describes setting the right-

hand DIP switch so that the COS-2 operates using the communication

parameters that you need;

Section 3.3

describes how to choose your arming

code by setting the left-hand DIP switch. For each of these sections, refer to

Figure 3-1 on the next page for the locations of the switches being discussed.

3.1 Selecting the Operating Mode

Use the slide switch labeled “Mode” on the front of the High-Speed COS-2

to select which operating mode you want the unit to start in. In the left-

hand position, the Text mode is selected (neither MODE LED is lit); in the

center position, the Graphics mode is selected (the left-hand MODE LED is

lit); in the right-hand position, the Transparent mode is selected (the right-

hand MODE LED is lit). (See

Chapter 2

and

Section 5.2

for descriptions of

these modes.)

3.2 Setting Communication Parameters

Use the right-hand DIP switch on the bottom of the High-Speed COS-2 to set

the COS-2’s communication parameters. As shown in Table 3-1 on page 12,

positions 1 through 3 control the data rate; positions 4 and 5 control the

data format; and positions 7 and 8 control the graphics-mode pause. (Use

position 6 during operation when you want the COS-2 to run its self-test.)

3.3 Choosing the Arming Code

Use the left-hand DIP switch on the bottom of the High-Speed COS-2 to set

the COS-2’s “arming code” (the character that alerts the COS-2 to an

impending switch). As shown in Table 3-2 on pages 13 through 19, each

possible setting of the eight DIP switch positions corresponds to a one-byte

character value from 00 to FF hex (0 to 255 decimal).

(Chapter 4, Installation, begins on page 20)

3. Configuration

CHAPTER 3: Configuration

OFF/ON TX GR TR

MODE SELECT

PORT-A

PORT-C

PORT-B

POWER

HIGH SPEED

COS-2

Power

Switch

Power

Jack

Port C

Mode

Indicators

Port

Indicators

Port A

Master

Mode

Switch

Port B

Baud Rate

Switch

Arming Code

Switch

Figure 3-1. Layout of the High Speed COS-2’s connectors, controls,

and indicators.

Parameters

Indice

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