B&B Electronics 232BSS4, Buffered Smart Switch Appendix B Cable Charts, Master Port Connections

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Appendix B: Cable Charts

All charts give full pin outs. Only pins 2 & 3 are required for basic operation. Handshaking pins are needed for hardware (RTS/CTS) handshaking or if DTR is to be used to signal the Master port to accept commands. See Appendix C for a block diagram of the 232BSS4.

Master Port Connections:

Chart B.1. DTE (PC) DB25 Connector to Master Port

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

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

Chart B.2. DTE (PC) DB9 Connector to Master Port

	DTE (PC)			232BSS4
	Serial Port	Signal		Master Port (DCE)
	DB9 Connector	Direction		DB25 Connector
	1	<-----------		8
				(DCD) *
Documentation Number 232BSS42907 Manual			Appendix B: Cable Charts		B-1

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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 LED Indicators Symbols and ConventionsChapter 2 OPERATION Port Configurations Description Smart Switch Only ModeOptions 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 ConnectionsIntroduction Chapter 4 SETUP SOFTWAREConnection 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 DECIMAL to HEX to ASCII CONVERSION TABLE Appendix A ASCII Character CodesASCII 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.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 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