Connect Tech DFlex-4/104

4-4 Chapter 4: Appendix B - Connectors/Pinouts

DFlex-4/104 User's Manual, ver. 0.04

Cable Connector Pinouts

You can order optional DB9 ribbon cables with the DFlex-4/104.

These cables attach to the 10 pin port headers on the board.

Table 5 shows the pinouts for the optional DFlex-4/104 male

DB9 cable connectors.

Table 5: DB-9 cable connector pinouts

Pin No.

RS-232

Signal

RS-485

Signal

RS-423

Signal

Current Loop

Signal

1 DCD RxD B(+) RxD(+) RxD(-)

2 RxD TxD B(+) TxD Ref TxD(+)

3 TxD TxD A(-) TxD(-) TxD Source

4 DTR RxD A(-) RxD(-) TxD Return

5 SG SR SR SG

6 N/C CTS A(-) CTS(-) RxD Return

7 RTS RTS A(-) RTS(-) TxD(-)

8 CTS RTS B(+) RTS Ref RxD(+)

9 N/C CTS B(+) CTS(+) RxD Source

Male DB-9 Connector

Technical Tip:

Please ensure that you terminate the DCD or CTS signals if your

application does not use them. The common way to do this is to

connect DCD to DTR and/or to connect CTS to RTS. Failure to

do so may result in a loss of a performance on your DFlex-4/104

adapter.

Contents

Main Connect Tech Inc. DFlex-4/104 Page LIMITED WARRANTY Copyright Notice Trademark Acknowledgment Page Page Table of Contents Page List of Tables List of Figures Page Chapter 1: Introduction Page Page Page Page Page Chapter 1: Introduction 1-5 DFlex-4/104 User's Manual, ver. 0.04 Figure 2: DFlex-4/104 - 16 port configuration Page Page Page Page Page Chapter 2: Hardware Installation Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Chapter 3: Software Installation Page Page Page Page Utilities Chapter 4: Appendices Page Appendix A: Specifications Page Appendix B: Connectors/Pinouts Page Page Page Appendix C: Factory Settings Page Page Page Appendix D: SLIM Insertion/Removal Page Appendix E: RS-232 SLIM Option Page Page 4-16 Chapter 4: Appendix E - RS-232 Option Table 8: SLIM pinouts Note: earlier versions of the current loop SLIM have pins 22, 23, 32, and 33 tied low. Appendix F: RS-485/422 Options Page Chapter 4: Appendix F - RS-485/422 Options 4-19 DFlex-4/104 User's Manual, ver. 0.04 Figure 14: RS-485/422 SLIM partial schematic 4-20 Chapter 4: Appendix F - RS-485/422 Option Table 9: SLIM pinouts Note: earlier versions of the current loop SLIM have pins 22, 23, 32, and 33 tied low. Page Page Appendix G: RS-423 Options Page Chapter 4: Appendix G - RS-423 Options 4-25 Table 10: SLIM pinouts Note: earlier versions of the current loop SLIM have pins 22, 23, 32, and 33 tied low. Page Appendix H: 20mA Current Loop Option Page Page 4-30 Chapter 4: Appendix H - 20mA Current Loop Table 11: SLIM pinouts Note: earlier versions of the current loop SLIM have pins 22, 23, 32, and 33 tied low.