Black Box High Speed COS-4 Manual de usuario

1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746

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, IBM, 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-4 AND HIGH SPEED COS-8

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-4 AND HIGH SPEED COS-8

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 .......................................................... 11

3.4 Setting Ports as DTE or DCE ...................................................... 11

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

4.1 Placement ..................................................................................... 20

4.2 Cabling ......................................................................................... 20

4.3 Power Connection ....................................................................... 22

5. Operation ........................................................................................... 25

5.1 Power-Up ..................................................................................... 25

5.2 Switching ...................................................................................... 25

5.3 The Barber-Pole Self-Test ........................................................... 26

6. Troubleshooting ................................................................................. 27

6.1 First Steps ..................................................................................... 27

6.2 Calling Your Supplier ................................................................. 27

6.3 Shipping and Packaging .............................................................. 28

CHAPTER 1: Specifications

Compliance —

FCC Class A, DOC Class/MDC classe A

Interface —

EIA RS-232 serial; each port either DTE or DCE

(user-selectable)

Protocol —

Asynchronous

Data Format —

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

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

Flow Control —

Hardware (DTR/CTS), passed through (see

pages 21 and 23)

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: (1) Slide switch for switching

mode (text, graphics, or transparent); (1) Reset

pushbutton;

(6) or (10) Internal: (2) 8-position DIP switches for

arming code and communication parameters;

(5) or (9) DTE/DCE slide switches: (1) for the

common port, (1) for each switched port

Diagnostic —

Automatic power-up self-test and user-selectable

power-up barber-pole test

Indicators —

(2) Front-mounted LEDs: (1) POWER, (1) [Operating]

MODE (only lit during Transparent mode);

(1) Front-mounted 7-segment PORT LED display

1. Specifications

HIGH SPEED COS-4 AND HIGH SPEED COS-8

Connectors —

SW282 models: (5) DB25 female: (4) switched,

(1) common;

SW283 models: (9) DB25 female: (8) 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

Power —

SW282A, SW283A:

From wallmount power supply PS113:

Input: 115 VAC, 60 Hz;

Output: 5 VDC, 600 mA;

SW282AE, SW283AE:

From desktop power supply PS112E:

Input: 230 VAC, 50 Hz;

Output: 5 VDC, 600 mA

MTBF —

Greater than 48,000 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 —

10 to 90% noncondensing

Size —

2.5"H x 12.5"W x 8.3"D (6.4 x 31.8 x 21 cm)

Weight —

3.5 lb. (1.6 kg)

CHAPTER 2: Introduction

With the High Speed COS-4 or High Speed COS-8, you can send a code

sequence from an asynchronous RS-232 device and switch between four or

eight 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 to switch).

The High Speed COS-4 and COS-8 have three modes of operation, which

you can choose between with the 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 (from “1” to “4” or “8,” or “0”

for no port, or “9” for all ports), 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; arming codes will be passed through the COS

until it is set to a different mode.

2. Introduction

HIGH SPEED COS-4 AND HIGH SPEED COS-8

Before you install the High Speed COS-4 or High Speed COS-8, 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 internal DIP switch SW1 so that the COS operates

using the communication parameters that you need;

Section 3.3

describes

how to choose your arming code by setting the internal DIP switch SW2;

Section 3.4

describes how to use the internal slide switches to set each port

as DTE or DCE.

3.1 Selecting the Operating Mode

Use the slide switch labeled “TX GR TR” on the front of the High-Speed

COS-4 or COS-8 to select which operating mode you want the unit to start

in. In the left-hand (TX) position, the Text mode is selected; in the center

(GR) position, the Graphics mode is selected; in the right-hand (TR)

position, the Transparent mode is selected. In Text and Graphics modes,

the MODE LED is dark; in Transparent mode, the MODE LED is lit to

alert you that switching is diabled until you change modes. (See

Chapter 2

and

Section 5.2

for descriptions of these modes.)

3.2 Setting Communication Parameters

Making sure that the unit is unplugged and powered down, open the High

Speed COS-4 or COS-8 by unscrewing and removing six screws (three on the

left side of the unit, three on the right side), then removing the unit’s cover.

Use the DIP switch labeled SW11 inside the unit to set its communications

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 for

troubleshooting, when you want the COS to run its barber-pole self-test.)

For first-time configuration, leave the case open to choose the arming code

(see the next section) and set your ports for DTE or DCE (see

Section 3.4

3. Configuration

CHAPTER 3: Configuration

3.3 Choosing the Arming Code

Use the DIP switch labeled SW12 inside the High-Speed COS-4 or COS-8

to set the COS’s “arming code” (the character that alerts the COS 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). For first-time

configuration, leave the case open to set your ports for DTE or DCE (see

the next section).

3.4 Setting Ports as DTE or DCE

Decide which devices you’re going to connect to which of the High Speed

COS-4’s or COS-8’s ports. Then set the DTE/DCE slide switches inside the

unit (there’s one just behind every port) so that you can use standard,

straight-through-pinned cables to attach the devices to the ports: If a device

is a DTE, set the port as DCE (move the switch to the B position); if a device

is a DCE, set the port as DTE (move the switch to the A position). Once

you’ve finished, replace the COS’s cover and secure it by screwing the

screws back in.

(Chapter 4, Installation, begins on page 20)

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