User manual

ManualsBrandsPro-face ManualsConsumer electronicsPS-3700A

Chapter 1 Overview

1-7

1.4 Interfaces

1.4.1 RS-232C Interface (COM1/COM2/COM3/COM4)

 RS-232C Interface (COM1/COM2/COM3/COM4)

 RS-422 Interface (COM3)

 RS-485 Interface (COM3)

Pin Arrangement PIN# Signal Condition Direction

1 CD Carrier Detect Input

2 RXD Receive Data Input

3 TXD Send Data Output

4 DTR Data Terminal Ready Output

5 GND Signal Ground -

6 DSR Data Set Ready Input

7 RTS Request Send Output

8 CTS Clear Send Input

9 RI / 5V Ring Indicate In/Output

FG FG Frame Ground -

Pin# Signal Condition Direction

1 RXA Receive Data (+) Input

2 RXB Receive Data (-) Input

3 TXA Send Data (+) Output

4 NC No Connection -

5 GND Ground -

6 NC No Connection -

7 TXB Send Data (-) Output

8 NC No Connection -

9 NC No Connection -

FG FG Frame Ground -

Pin# Signal Condition Direction

1 DATA+ Send/Receive Data (+) In/Output

2 DATA- Send/Receive Data (-) In/Output

3 NC No Connection -

4 NC No Connection -

5 GND Signal Ground -

6 NC No Connection -

7 NC No Connection -

8 NC No Connection -

9 NC No Connection -

FG FG Frame Ground -

1

5

6

9