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FabulaTech Forum Serial Port Solutions Serial Port Splitter (Moderators: Andrew, Tim_GaliullinFT, Sergey_Jarovski) Problem with splitter and CTS Previous topic | Next topic
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pfmachado
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Problem with splitter and CTS
on: Aug 5th, 2014, 6:15pm 		Quote Quote  Modify Modify
Hi.
We are currently evaluating your product for installing in a customer.
However he have a problem with the splitter that does not happen if we connect directly: The CTS flag is read differently if we use the spliiter.
 
Here follows a java code snippet to illustrate the problem:
 
<BEGIN CODE>
 
import jssc.SerialPort;
 
public class Test {
 
 
public static void main(String[] args) throws Exception {
 
 
 
SerialPort port = new SerialPort("COM1");
 
 
port.openPort();
 
 
port.setParams(SerialPort.BAUDRATE_9600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
 
 
 
System.out.println("CTS: " + port.isCTS());
 
 
 
port.closePort();
 
}
}
 
<END CODE>
 
Without the splitter running, this bit of code always prints "CTS: true" if a printer we have connected to COM1 is on.
 
However, with the splitter runing, the code always prints "CTS: false" regardless of printer being on or off.
 
Can you help us?
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Sergey_Jarovski
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Re: Problem with splitter and CTS
Reply #1 on: Aug 6th, 2014, 5:24am 		Quote Quote  Modify Modify
Please provide me with the following information:
- version of the Serial Port Splitter;
- OSs on both sides (version and bitrate).
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Sergey Jarovski

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pfmachado
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Re: Problem with splitter and CTS
Reply #2 on: Aug 6th, 2014, 6:11am 		Quote Quote  Modify Modify
Hello Sergei,
 
We are using version 4.3.6.
 
We are testing in:
 
Windows XP Professional
Version 2002
Service Pack 2
 
We are communicating via serial port with a printer using the following configuration:
 
BAUD_RATE: 9600
DATA_BITS: 8
STOP_BITS: 1
PARITY: NONE
 
Do you need any further information?
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