B&B Electronics 232D4SS8 manual DTE Master Port Chart Signal Direction Pin # Description

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Table 3. DTE MASTER PORT CHART

 

 

 

 

Signal

 

 

 

 

Direction of

 

 

 

 

DTE Master

Pin #

 

Signal

Description

Port

2

 

TD

Transmit Data

Output

3

 

RD

Receive Data

Input

4

 

RTS

Request to Send

Output

5

 

CTS

Clear to Send

Input

 

 

 

 

 

6*

 

DSR

Data Set Ready

Input

7

 

SG

Signal Ground

<------>

8*

 

CD

Carrier Detect

Input

20

 

DTR

Data Term. Ready

Output

14**

 

TD (B)

Transmit +

Output

15**

 

TD (A)

Transmit -

Output

16**

 

RD (B)

Receive +

Input

17**

 

RD (A)

Receive -

Input

*Pins 6 & 8 are tied together inside the 232D4SS8 and share the same input. Refer to Figure 5.

**RS-422 master port option only.

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Documentation Number 232D4SS84502 Manual

B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445

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Contents Port Smart Switch CE Table of Contents Hardware IntroductionFront View Switching Baud Rate From 300 to 38.4 KbpsRear View Simplified Functional Diagram Checklist Serial Data ConfigurationPort Configuration Communication & Configuration Switch DIP Switch SettingMaster Port Printed Circuit Board Outline Master Port DCE/DTE Jumpers DCE Master Port Chart Signal Direction Pin # Description PortDTE Master Port Chart Signal Direction Pin # Description Request to Send Output Data Set Ready Input Signal Ground Carrier DetectRS-232 Configuration Clear to Send InputSimplified RS-232 Schematic RS-422/485 Slave Port Option RS-422/485 Ports a H Signal Pin # Description DirectionSimplified RS-422/485 Schematic RS-422/RS-485 Mode2400 6001200 4800Smart Switch Mode Smart Switch OperationThree Character Command String Four Character Command String Programming the User Defined Character SW2 Weight Chart DIP Switch Smart Switch/Port Combiner ModeBinary File Transfer Port Select Test232D4SS8 Users SoftwareMethod One Description Default Value Smart Switch SetupDefault Values Method TwoUninstalling Windows Smart Switch Selector Program Selecting PortsAppendix a Ascii Character Codes Decimal to HEX to Ascii Conversion TableAppendix B Cable Charts Async Modem 232D4SS8 Chart 3. Modem DB25 Connector to Master PortChart 4. DCE Device w/DB25 Connector to Ports a H DTE Master Port DTEChart 5. IBM PC DB25 Connector to Ports a H DTE Chart 6. IBM PC DB9 Connector to Ports a H DTEChart 7. IBM PC DB25 Connector to Ports a H DTE Chart 8. IBM PC DB9 Connector to Ports a H DTEPorts a H Appendix C Declaration of Conformity Declaration of Conformity