Connect Tech Echo/ISA Manual do Utilizador descarregar pdf (Página 72)

4-2 Chapter 4: Appendix B Connectors/ Pinouts

Echo User's Manual, ver. 0.00

Appendix B: Connectors/Pinouts

Appendix B outlines the pinouts for the following:

 Echo cable connector pinouts

 Echo external connector box pinouts

Cable Connector Pinouts

Table 5: DB-9 pinouts - Echo

Pin No.

RS-232

Signal

RS-485

Signal

1 DCD RxD B(+)

2 RxD TxD B(+)

3 TxD TxD A(-)

4 DTR RxD A(-)

5 SG SR

6 Reserved CTS A(-)

7 RTS RTS A(-)

8 CTS RTS B(+)

9 Reserved CTS B(+)

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 Echo

adapter.

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