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B&B Electronics Buffered Smart Switch manual Pins 1, 4, & 6 looped back internally on the 232BSS4

Models: Buffered Smart Switch 232BSS4

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•- Pins 6, 8, & 20 looped back internally on the 232BSS4

Slave Port Connections:

Chart B.5. Ports A - D (DTE) to DTE (PC) DB25 Connector

232BSS4		Signal		DTE (PC)
Ports A - D (DTE)		Signal		Serial Port
DB9 Connector		Direction		DB25 Connector
1	(DCD) *	----------	>	8
2	(RD)	<----------		2
3	(TD)	----------	>	3
4	(DTR) *	----------	>	6
5	(GND)	<--------	>	7
6	(DSR) *	<----------		20
7	(RTS)	----------	>	5
8	(CTS)	<----------		4

*- Pins 1, 4, & 6 looped back internally on the 232BSS4

Chart B.6. Ports A - D (DTE) to DTE (PC) DB9 Connector

232BSS4		Signal		DTE (PC)
Ports A - D (DTE)		Signal		Serial Port
DB9 Connector		Direction		DB9 Connector
1	(DCD) *	----------	>	1
2	(RD)	<----------		3
3	(TD)	----------	>	2
4	(DTR) *	----------	>	6
5	(GND)	<--------	>	5
6	(DSR) *	<----------		4
7	(RTS)	----------	>	8
8	(CTS)	<----------		7

•- Pins 1, 4, & 6 looped back internally on the 232BSS4

Chart B.7. Ports A - D (DTE) to DCE (Modem) DB25 Connector

	232BSS4	Signal	DCE (Modem)
	Ports A - D (DTE)	Signal	Serial Port
	DB9 Connector	Direction	DB25 Connector
B-4 Appendix B: Cable Charts		Documentation Number 232BSS42907 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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B&B Electronics Buffered Smart Switch manual Pins 1, 4, & 6 looped back internally on the 232BSS4, Slave Port Connections

Contents

Buffered Smart Switch Model 232BSS4This product designed and manufactured in Ottawa, Illinois USA of domestic and imported parts byPage Table of Contents CHAPTER 4 SETUP SOFTWAREAPPENDIX B CABLE CHARTS APPENDIX C BLOCK DIAGRAMDocumentation Number 232BSS4-2907m Chapter 1 - Introduction Documentation Number 232BSS4-2907mSpecifications Default ParametersChecklist 1. RS-232 Buffered Smart Switch model 232BSS4 2. Instruction ManualThe following equipment should be in the shipping carton 3. 2 3.5 floppy disksDocumentation Number 232BSS4-2907m LED Indicators Symbols and ConventionsChapter 2 OPERATION Port Configurations Description Smart Switch Only ModeOptions Command Summary Three Character Command FormatFour Character Command Format Command ExplanationCommands Select Port A to transmit and receive - “A” VB Example VB ExampleTable 2.2 Send Only and Clear Buffer Control Characters Table 2.3 - Timer Values commands and the Master can initiate the next communications sequence Description Auto Select/Smart Switch ModeOptions Inactivity Time Using the 232BSS4 as a Buffered Splitter/Combiner Figure 2.1. Multiple Terminals to a Host ControllerBack to Back Operation mux/demux Figure 2.2. Back to Back OperationCascading Multiple Switches Figure 2.3. Expanding the Number of Slave PortsSlave Devices that Automatically Send their Data Slave Devices that Require Polling Chapter 3 PORT CONNECTIONS DTE/DCE Explanation25 Pin DTE 25 Pin DCESlave Port Connections Master Port ConnectionsDocumentation Number 232BSS4-2907m Introduction Chapter 4 SETUP SOFTWAREConnection Software Installation Software UninstallSelect SETTINGS, CONTROL PANEL from the Windows START menu Double Click ADD/REMOVE PROGRAMSSetup Tutorial Single Unit Main Screen26Documentation Number 232BSS42907 Manual Back to Back Main Screen 28Documentation Number 232BSS42907 Manual Copying Parameters Between Switches Default ParametersDocumentation Number 232BSS42907 Manual Appendix A ASCII Character Codes DECIMAL to HEX to ASCII CONVERSION TABLEDocumentation Number 232BSS42907 Manual ASCIIAppendix A Documentation Number 232BSS42907 ManualAppendix B Cable Charts Pins 6, 8, & 20 looped back internally on the 232BSS4Chart B.1. DTE PC DB25 Connector to Master Port Chart B.2. DTE PC DB9 Connector to Master PortAppendix B Cable Charts Pins 6, 8, & 20 looped back internally on the 232BSS4Documentation Number 232BSS42907 Manual Chart B.3. DCE Modem DB25 Connector to Master Port Pins 6, 8, & 20 looped back internally on the 232BSS4Chart B.4. DCE Modem DB9 Connector to Master Port Pins 1, 4, & 6 looped back internally on the 232BSS4 Chart B.5. Ports A - D DTE to DTE PC DB25 ConnectorChart B.6. Ports A - D DTE to DTE PC DB9 Connector Chart B.7. Ports A - D DTE to DCE Modem DB25 ConnectorChart B.8. Ports A - D DTE to DCE Modem DB9 Connector Pins 1, 4, & 6 looped back internally on the 232BSS4Pins 1, 4, & 6 looped back internally on the 232BSS4 Appendix B Cable Charts Documentation Number 232BSS42907 ManualAppendix C Block Diagram MASTERUART UART UARTAppendix C Documentation Number 232BSS42907 ManualAppendix D Declaration of Conformity DECLARATION OF CONFORMITY