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Mini Smart Switch
Documentation Number 232MSS2-0108
This product designed and manufactured
of domestic and imported parts by
International Headquarters
707 Dayton Road -- P.O. Box 1040 -- Ottawa, IL 61350 USA
Phone (815) 433-5100 -- General Fax (815) 433-5105
Home Page: www.bb-elec.com
orders@bb-elec.com
Sales e-mail:
Technical Support e-mail:
European Headquarters
Westlink Commercial Park, Oranmore, Co. Galway, Ireland
Phone +353 91-792444 -- Fax +353 91-792445
Home Page: www.bb-europe.com
Sales e-mail:
Technical Support e-mail:
© 1995 B&B Electronics --- Revised January 2008
Documentation Number 232MSS2-0108 Manual
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
Model 232MSS2
pn3662-rev006
B&B Electronics Mfg. Co. Inc.
-- Fax (815) 433-5109
support@bb.elec.com
B&B Electronics Ltd.
orders@bb-europe.com
support@bb-europe.com
CE
-- Fax (815) 433-5104
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Table of Contents
Related Manuals for B&B Electronics 232MSS2
Summary of Contents for B&B Electronics 232MSS2
- Page 1 Technical Support e-mail: © 1995 B&B Electronics --- Revised January 2008 Documentation Number 232MSS2-0108 Manual Cover Page B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104...
- Page 2 © B&B Electronics RESERVED. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photography, recording, or any information storage and retrieval system without written consent. Information in this manual is subject to change without notice, and does not represent a commitment on the part of B&B Electronics.
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Page 3: Table Of Contents
Chart 9. IBM PC DB9 Connector to Ports A - D (DCE) ..B-6 APPENDIX C: Declaration of Conformity ...... C-1 Documentation Number 232MSS2-0108 Manual Table of Contents B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104... - Page 4 Table of Contents Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...
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Page 5: Chapter 1: Introduction
The first way is referred to as smart switch mode. In this mode, the switch is controlled by sending a programmable preamble code to the "Master" port of the 232MSS2. The other way the switch can be controlled is referred to as port combiner mode. In port combiner mode, a slave port can gain access to the master port by asserting a handshake line. -
Page 6: Checklist
If any of the items above are not in the shipping carton contact the shipper immediately. Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104... -
Page 7: Chapter 2: Setup
To change the settings on the switch, remove the power from the unit, and remove the screws (4) from the bottom of the 232MSS2. The dipswitch is located on the top of the PC board (side with LEDs) and is labeled “SW1.” The other dipswitch, labeled “SW2”... -
Page 8: Port Configuration
Port Configuration In order to determine the proper port configuration of the 232MSS2, it is necessary to have a basic understanding of the terms DCE and DTE. RS-232 was designed, using DB-25 connectors, for connecting a DTE (Data Terminal Equipment) device to a DCE (Data Communication Equipment) device. -
Page 9: Serial Data Configuration
Smart Switch Operation Smart Switch mode is selected when dipswitch “SW1” position 7 is “Off.” In Smart Switch mode, the 232MSS2 is constantly looking for the three character preamble code by monitoring the data that is being received on the master port from the host device. The 232MSS2 requires a three character preamble code to turn on and off a port. - Page 10 NOTE: There is no delay through the Mini Smart Switch and the data is not buffered. Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104...
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Page 11: Programming The Second Character
Smart Switch. When transferring files at a different baud rate, the Mini Smart Switch will stay connected from the last preamble code. Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104... -
Page 12: Smart Switch/Port Combiner Mode
However, if port A is connected to the master port, any data sent from the devices on ports B-D to the 232MSS2 will be lost. The 232MSS2 does not have any buffering. NOTE: When a port is selected via the Master Port, the handshake lines will be ignored until the Master Port sends the turn off code. - Page 13 5 seconds (assuming programmable character is the factory default of 2). SetTV$ = CHR$(27) + CHR$(2) +”T” + “6” The “T” tells the 232MSS2 it is the set timer value command and the “6” indicates which timer value to use. Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc –...
- Page 14 ASCII “M”. If the data byte (fourth byte) is an ASCII “0”, zero (default), the timer will be setup as an inactivity timer. For example, sending the following string to the 232MSS2 will set up the timer as an inactivity timer (assuming programmable character is the factory default of 2).
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Page 15: Specifications
The “M” tells the 232MSS2 it is the set timer mode command and the “1” indicates to set up up the timer to ignore switching commands. When the timer is configured in this mode, the 232MSS2 will not accept any switching commands (“A”, ”B”, ”C”, ”D”, or “EOT”) for the specified timer value. - Page 16 Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...
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Page 17: Chapter 3: Software
Chapter 3: SOFTWARE Introduction The 232MSS2 comes with two application programs that can be used to switch between ports. Either can be used independently as the final application or for testing the functionality of the hardware. The SSwitch program is a Windows program that allows you to switch ports with buttons on a Windows interface, or from the DOS command line. -
Page 18: Dos Sstsr
Smart Switch. The value in [ ] are the default values. If this value is desired, just press the ENTER key. Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104... - Page 19 5 = <CTRL><ALT><A|B|C|D|N> 6 = <CTRL><ALT><1|2|3|4|N> Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...
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Page 20: Parameters
If the software was installed in the default directory: • At the DOS prompt Type C: and press the ENTER key. • Type CD\232MSS2 and press the ENTER key. To begin the SSTSR program (the following will be used as an... -
Page 21: Default Values
The two methods are described as follows: Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104... -
Page 22: Hot Key Method
Left Shift - Alt - D ..to select port D Left Shift - Alt - N ..to turn off all ports Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104... -
Page 23: Command Line Method
Therefore, if data is being received, the Smart Switch port may still be changed. Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104... - Page 24 Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...
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Page 25: Appendix Aascii Character Codes
APPENDIX A ASCII Character Codes Documentation Number 232MSS2-0108 Manual Appendix A B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445... - Page 26 _ Appendix A Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...
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Page 27: Appendix B Cable Charts
APPENDIX B Cable Charts Documentation Number 232MSS2-0108 Manual Appendix B B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445... -
Page 28: Chart 1. Ibm Pc Db25 Connector To Master Port
All charts will indicate if the Master Port of the 232MSS2 should be configured as a DCE port or a DTE port. Refer to the Port Configuration section of the manual for information on Master Port configurations. Chart 1. IBM PC DB25 Connector to Master Port... -
Page 29: Chart 3. Modem Db25 Connector To Master Port
<---------> -----------> <----------- * Pins are tied together inside the 232MSS2, they are not connected to ports A, B, C, or D. NOTE: When connecting a DTE device to ports A, B, C, or D of the smart switch, refer to Charts 8 and 9. -
Page 30: Chart 5. Ibm Pc Db25 Connector To Ports A - D (Dce
<----------- <---------> <----------- -----------> * Pins are tied together inside the 232MSS2, they are not connected to the master port. Chart 6. IBM PC DB9 Connector to Ports A - D (DTE) Master port configured as a DCE port. IBM PC... -
Page 31: Chart 7. Ibm Pc Db9 Connector To Ports A - D (Dce
<----------- -----------> <----------- * Pins are tied together inside the 232MSS2, they are not connected to the master port. Chart 8. IBM PC DB25 Connector to Ports A - D (DCE) Master port configured as a DTE port with a modem connected (see Chart 3). -
Page 32: Chart 9. Ibm Pc Db9 Connector To Ports A - D (Dce
<----------- <---------> <----------- -----------> * Pins are tied together inside the 232MSS2, they are not connected to the master port. Appendix B Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104... -
Page 33: Appendix C: Declaration Of Conformity
EN 61000 (-4-2, -4-3, -4-4, -4-5, -4-6, -4-8, -4-11) William H. Franklin III, Director of Engineering Documentation Number 232MSS2-0108 Manual Appendix C B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104... - Page 34 Appendix C Documentation Number 232MSS2-0108 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...