Black Box ABC Bus Switch User manual

1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax [phone]
© Copyright 2000. Black Box Corporation. All rights reserved.
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JULY 2000
SW430A
ABC Bus Switch
CUSTOMER SUPPORT INFORMATION
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax [phone]
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: [email protected]
AB
ABC Switch
A
C
B
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1
ABC BUS SWITCH
TRADEMARKS USED IN THIS MANUAL
Any trademarks mentioned in this manual are
acknowledged to be the property of the trademark
owners.
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ABC BUS SWITCH
Contents
Chapter Page
1. Specifications ...............................................................3
2. Introduction.................................................................4
3. Installation ...................................................................7
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ABC BUS SWITCH
1. Specifications
Connectors — (3) Male 50-pin headers
User Controls — (1) rotary two-position break-before-
make switch
Enclosure — High-impact plastic
Power — None required
Size — 3.5"H x 6"W x 7"D (8.9 x 15.2 x 17.8 cm)
Weight — 1.5 lb. (0.7 lb.)
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ABC BUS SWITCH
2. Introduction
The ABC Bus Switch is designed for use with custom-
made cables using 50-pin Berg-type connectors. A
common device can be connected to either of two other
devices as shown below. A rotary switch on the front
panel controls this operation.
Device B
Device A
Device C Switch
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ABC BUS SWITCH
Three male 50-pin connectors are mounted on the rear
panel, as shown in the illustration below.
The rotary switch on the front panel controls the
switching of the common socket
“C” to either socket “A”
or socket “B” (see Table 1). 48 pins are switched. The two
unswitched pins are specified by you when you order the
unit.
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ABC BUS SWITCH
Table 1. Using the rotary switch to control socket C
Switch Position Connection
A Socket C is connected to socket A.
B Socket C is connected to socket B.
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ABC BUS SWITCH
3. Installation
1. Plug the cable from the device that is to be
common, into the C socket on the rear panel.
2. Plug the cables from the devices that are to be
switched, into sockets A or B.
3. Set the rotary switch on the front panel as
required.
The ABC Bus Switch is now ready for operation.
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