Black Box ABC Manuale utente

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

CUSTOMER

SUPPORT

INFORMATION

To order or for technical support: Call 724-746-5500 or fax 724-746-0746

Technical support and fax orders 24 hours a day, 7 days a week

Phone orders 24 hours, 7 A.M. Monday to midnight Friday; Saturday 8 to 4 (Eastern)

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

JANUARY 1998

SW010

2 to1

4 to 1

X and

DUAL SWITCH

SERIES

ABC, ABCDE, X,

and Dual Switches

A B

ABC SWITCH

B D

ABCDE SWITCH

A E

A-AA A-BB

B-BB B-AA

X-SWITCH

Contents

1 Description .........................................................................................................2

2 Specifications......................................................................................................3

3 Installation and Operation of an ABC Switch..................................................4

4 Installation and Operation of an ABCDE Switch.............................................5

5 Installation and Operation of an X-Switch.......................................................6

6 Installation and Operation of a Dual Switch....................................................7

7 Interfaces and Supported Leads .......................................................................8

TRADEMARKS USED IN THIS MANUAL

ATARI®is a registered trademark of Hadbro Interactive, Incorporated.

UNIVAC®is a registered trademark of Unisys Corporation.

Datapoint®is a registered trademark of DATAPOINT CORPORATION.

Dataproducts®is a registered trademark of Hitachi Koki Imaging Solutions, Inc.

Bernoulli®is a registered trademark of Iomega®Corporation.

TI™is a registered trademark of Texas Instruments Incorporated.

NCR®is a registered trademark of NCR Corporation.

HP®and LaserJet®are registered trademarks of Hewlett-Packard.

WANG®is a registered trademark of Gentronics NV.

IBM®, PS/2®and AS/400®are registered trademarks of IBM Corporation.

Apple®and Macintosh®are registered trademarks of Apple Computer, Inc.

DEC™and DEConnect™are trademarks of Compaq Equipment Corporation.

Centronics®is a registered trademark of GENICOM Corporation.

Gemini®is a registered trademark of Star Micronics America, Inc.

Epson®is a registered trademark of Seiko Epson Corporation.

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

trademark owners.

2 to 1, 4 to 1, X, and Dual Switch Series

ABC, ABCDE, Dual Switches, and X Switches comprise a unique family of

data-communications switches that provide fast and efficient ways to switch

connections from compatible devices to other compatible devices. They

provide a quick way to connect devices without the need to unconnect and

reconnect numerous cables. These reliable switches have been used in

hundreds of different applications and come in a wide variety of interfaces.

All are available with either male or female connectors and are available in

either rack mounted or standalone versions. Some models are available in

EMI/RFI metal boxes for use in “noisy” environments such as around heavy

machinery.

No power is required to operate the switches and they are transparent to all

data, such as speed (up to 5 MHz) and code. All connections are made to the

rear panel and the switches are manually switched from the knob on the

rotary switch on the front panel.

1. Description

CHAPTER 2: Specifications

Enclosures — High-impact plastic (aluminum on EMI/RFI versions)

Connectors — 3, 4, or 5 mounted on the rear panel

Switches — Rotary, self wiping, break before make

Power — None required

Size — Low box: 2.5" x 6" x 6.3" (6.4 x 15.2 x 16 cm)

High box: 3.5" x 6" x 6.3" (8.9 x 15.2 x 16 cm)

Weight — Low-box: Approximately 1.4 lb. (0.63 kg)

High box: Approximately 1.6 lb. (0.726 kg)

High box: EMI/RFI version, approx 2 lbs (0.91 kg)

2. Specifications

2 to 1, 4 to 1, X, and Dual Switch Series

Installation of an ABC Switch is quick and easy and will vary only slightly

depending on the type of interface being switched.

CAUTION

During installation of an ABC Switch, it is recommended that all

equipment be turned off with no power applied to any component in the

system.

1. Connect the cable from the device that is going to share the other

two devices to the common connector marked “C” on the rear panel.

2. Connect the cable from one of the shared devices to the connector

marked “A” on the rear panel and the cable from the other device

to the connector marked “B.”

3. Turn on the equipment and operationally check its performance by

having the common device send data to device “A” and then to device

“B” by manually turning the knob on the front panel.

3. Installation and Operation

of an ABC Switch

COMMON

SWITCHED

Fig. 3-1. Connections made are AC and BC — “C” is COMMON.

ABC Switch

CHAPTER 4: Installation and Operation of an ABCDE Switch

ABCDE Switches are useful for switching one device to any one of four other

compatible devices. To install an ABCDE Switch, follow these steps:

CAUTION

During installation of an ABCDE Switch, it is recommended that all

equipment be turned off with no power applied to any component in the

system.

1. Connect the cable from the device that is going to share the other

four devices to the common connector marked “C” on the rear panel.

2. Connect the cable from one of the shared devices to the connector

marked “A” on the rear panel and connect the cables from the other

devices to the connectors marked “B,” “D,” and “E.”

3. Turn on the equipment and operationally check its performance by

having the common device send data to device “A” and then to devices

“B,” “D,” and “E” by manually turning the knob on the front panel.

4. Installation and Operation

of an ABCDE Switch

COMMON

SWITCHED

Fig. 4-1.

Connections made are AC, BC, DC, and EC — “C” is COMMON.

ABCDE Switch

2 to 1, 4 to 1, X, and Dual Switch Series

X-Switches are useful for switching two devices to two other compatible

devices in a crossover setup. Two sets of devices are connected at any one

time. To install an X-Switch, follow these steps:

CAUTION

During installation of an X-Switch, it is recommended that all equipment

be turned off with no power applied to any component in the system.

1. Connect the cable from the first device to the connector marked “A” on

the rear panel and connect the cable from one of the shared devices to

the connector marked “AA.”

2. Connect the cable from the second device to the connector marked “B”

on the rear panel and connect the cable from the other shared device to

the connector marked “BB” on the rear panel.

3. Turn on the equipment and operationally check its performance by

having the two devices connected to the “AA” and “BB” connectors.

Manually turn the knob on the front panel to the opposite position and

again check the operation of the devices while ensuring that crossover

operation takes place.

GENERAL NOTE

It is not recommended to connect an HP®LaserJet®Series II printer to a

manual switch. We recommend a powered automatic switch with that

application.

5. Installation and Operation

of an X-Switch

Fig. 5-1. Connections made are A-AA & B-BB or A-BB & B-AA.

“X” Switch

CHAPTER 6: Installation and Operation of a Dual Switch

Installation of a Dual Switch is quick and easy and will vary only slightly

depending on the type of interface being switched.

CAUTION

During installation of a Dual Switch, it is recommended that all

equipment be turned off with no power applied to any component in the

system.

1. Connect the cable from the two devices that are going to share the other

two devices on “A” and “B” to the common connector marked “C” on the

rear panel.

2. Connect the cable from the shared devices on “A” to the connectors

marked “A” on the rear panel.

3. Connect the cable from the shared devices on “B” to the connectors

marked “B” on the rear panel.

3. Turn on the equipment and operationally check its performance by

having the common device send data to device “A” and then to device “B”

by manually turning the knob on the front panel.

6. Installation and Operation

of a Dual Switch

COMMON

SWITCHED

Dual Switch

2 to 1, 4 to 1, X, and Dual Switch Series

The ABC, ABCDE, and X family of switches is available in a wide variety of

interfaces along with custom applications. Shown here are some of the

commonly used connectors along with the number of leads supported by

each type of switch. If you have another application not shown here, please

call for details.

7. Interfaces and Supported Leads

Berg-Type Header 48

Connector Number of Leads Supported

(Interface) ABC ABCDE X

DB25 25, 12, or 4 24, 12, or 4 12 or 24

(RS-232, RS-530, IBM®Parallel)

DB37 37 24 24

(RS-449, RS-422, RS-423, Bernoulli®)

DB50 48 24 24

(Dataproducts®, Datapoint®, UNIVAC®, & others)

DB9 9 9 9

(449 Secondary, ATARI®, DAA, Video, & others)

DB15 15 15 15

(Ethernet, TI™, NCR®, IBM PS/2®, & others)

High Density DB15 14 14 14

(Monitor)

Connectors & Leads Supported

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