Cottonwood UHF RFID Reader

[font=Tahoma]I have some inquires regarding the cottonwood RFID reader linked below:[/font]
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[font=Tahoma]https://www.robotshop.com/en/cottonwood-long-range-uhf-rfid-reader.html

Please check the setup, the error message and arduino code, all posted at Arduino forum: forum.arduino.cc/index.php?topic=438712.0

  1. When I connect the 2A/5V adapter the D1 LED on the cottonwood reader is continuously blinking,[/font][font=Tahoma]is this OK ?[/font]
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    [font=Tahoma]2. Even with the shown setup -check arduino forum-, I don’t get any data at Arduino serial monitor.[/font]
    [font=Tahoma]I am using Arduino code in the link: learn.linksprite.com/rfid/tutorial-of-arduino-cottonwood-uhf-rfid-reader/[/font]
    [font=Tahoma][/font][font=Tahoma]3. I want to test the linkSpirt GUI with the reader (please check link below), but I can not find the port.[/font][font=Tahoma]My arduino uno is connected to com 14 but when I select this COM in the GUI I get this message:" Failed to open COM port ". Error message is shown in arduino forum.[/font][font=Tahoma]learn.linksprite.com/rfid/arduino-tutorial-of-using-uart-uhf-rfid-reader-module/[/font][font=Tahoma][/font]

[font=Tahoma]4. I tried the linked arduino code linked with two different arduino versions 1.0.5 and 1.6.4 on a macbook, but still nothing is displayed at the serial monitor.[/font]
[font=Tahoma]Also, when I tried the code on Arduino software installed at windows, I still did not get any results.[/font]
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[font=Tahoma]5. From where I can download X-CTU software ? referenced in many online tutorials on this reader.[/font]

I download the X-CTU software, it can recognize arduino but not the cottonwood RF reader.
Also, I am using this arduino code and I am getting only “S” at the serial monitor.
Why I am not getting any reply, I spent a lot of money on this module and I need it to work.

int incomingByte; void setup() { Serial.begin(9600);} void loop() { if (Serial.available()) { incomingByte = Serial.read(); if (incomingByte=='r') { Serial.println("R"); } } else { Serial.println("S"); } delay (1000);}

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