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

Page 41

1	(DCD) *	<----------		8
2	(RD)	<----------		3
3	(TD)	----------	>	2
4	(DTR) *	----------	>	20
5	(GND)	<--------	>	7
6	(DSR) *	<----------		6
7	(RTS)	----------	>	4
8	(CTS)	<----------		5

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

Chart B.8. Ports A - D (DTE) to DCE (Modem) DB9 Connector

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

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

Documentation Number 232BSS42907 Manual

Appendix B: Cable Charts

B-5

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

Image 41

Contents Model 232BSS4 Buffered Smart SwitchThis product designed and manufactured in Ottawa, Illinois USA of domestic and imported parts byPage CHAPTER 4 SETUP SOFTWARE Table of ContentsAPPENDIX B CABLE CHARTS APPENDIX C BLOCK DIAGRAMDocumentation Number 232BSS4-2907m Documentation Number 232BSS4-2907m Chapter 1 - IntroductionDefault Parameters Specifications1. RS-232 Buffered Smart Switch model 232BSS4 2. Instruction Manual ChecklistThe following equipment should be in the shipping carton 3. 2 3.5 floppy disksDocumentation Number 232BSS4-2907m Chapter 2 OPERATION Symbols and ConventionsLED Indicators Port Configurations Options Smart Switch Only ModeDescription Three Character Command Format Command SummaryFour Character Command Format Command ExplanationCommands Select Port A to transmit and receive - “A” VB Example Table 2.2 Send Only and Clear Buffer Control Characters Table 2.3 - Timer Values commands and the Master can initiate the next communications sequence Auto Select/Smart Switch Mode Inactivity Time Figure 2.1. Multiple Terminals to a Host Controller Using the 232BSS4 as a Buffered Splitter/CombinerFigure 2.2. Back to Back Operation Back to Back Operation mux/demuxFigure 2.3. Expanding the Number of Slave Ports Cascading Multiple SwitchesSlave Devices that Automatically Send their Data Slave Devices that Require Polling DTE/DCE Explanation Chapter 3 PORT CONNECTIONS25 Pin DTE 25 Pin DCESlave Port Connections Master Port ConnectionsConnection Chapter 4 SETUP SOFTWAREIntroduction Software Uninstall Software InstallationSelect SETTINGS, CONTROL PANEL from the Windows START menu Double Click ADD/REMOVE PROGRAMSSingle Unit Main Screen Setup Tutorial26Documentation Number 232BSS42907 Manual Back to Back Main Screen 28Documentation Number 232BSS42907 Manual Default Parameters Copying Parameters Between SwitchesDocumentation Number 232BSS42907 Manual ASCII Appendix A ASCII Character CodesDECIMAL to HEX to ASCII CONVERSION TABLE Appendix A Pins 6, 8, & 20 looped back internally on the 232BSS4 Appendix B Cable ChartsChart B.1. DTE PC DB25 Connector to Master Port Chart B.2. DTE PC DB9 Connector to Master PortAppendix B Cable Charts Chart B.4. DCE Modem DB9 Connector to Master Port Pins 6, 8, & 20 looped back internally on the 232BSS4Chart B.3. DCE Modem DB25 Connector to Master Port Chart B.5. Ports A - D DTE to DTE PC DB25 Connector Pins 1, 4, & 6 looped back internally on the 232BSS4Chart 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 232BSS4Documentation Number 232BSS42907 Manual MASTER Appendix C Block DiagramUART UART UARTDocumentation Number 232BSS42907 Manual DECLARATION OF CONFORMITY Appendix D Declaration of Conformity