Page 1: Table Of Contents
How to setup a serial Bluetooth adapter Master Guide Our serial Bluetooth adapters part UCBT232B and UCBT232EXA can be setup and paired using a Bluetooth management software called BlueSoleil (for Windows XP) or by using Windows Vista/7’s built-in Bluetooth management software.
Page 2: Pairing With Built-In Bluetooth Or External Usb Bluetooth Dongle Using Windows Default Bluetooth Management Software (For Windows Vista, 7, 8)
Pairing with built-in Bluetooth or external USB Bluetooth dongle using Windows default Bluetooth management software (for Windows Vista, 7, 8) This user guide is based on Windows 7 and the UCBT232B/EXA Serial Bluetooth adapter. First we identify the products: Serial Bluetooth adapter...
Page 3 COM ports in Windows Device Manager. One is an outgoing port and the other is an incoming port. Both are virtual COM ports created by the Bluetooth drivers and the dongle. USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 5 Now enter the word “Bluetooth” in the start menu and click the Bluetooth link that shows up. This will start Windows default Bluetooth management software (if this has successfully been installed on your computer). A Bluetooth icon should now appear in the task bar: USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 6 Click the Bluetooth icon and click “Open Settings” in the menu: USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 7 The Bluetooth settings window will open. Use the settings as shown below: USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 8 Under the COM ports tab you will see the USB Bluetooth dongle’s virtual COM port, in this case COM16 port has been assigned by the system (as you also could see in Device Manager). Only one of the virtual COM ports is shown. USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 9 Click the Bluetooth icon in the task bar on Windows desktop and chose “Add a Device” from the menu. Windows should now search for the serial Bluetooth adapter and be able to find it: USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 10 After windows have found the adapter, click “Enter the device pairing code”: USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 12 The serial Bluetooth adapter is now successfully installed and paired: USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 13 Right-click the icon and chose “Remove Device” to remove it. Now you can again try to add the serial Bluetooth adapter by clicking the Bluetooth icon in the task bar and chose “Add Device” from the menu. USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 14 You do not need to worry about incoming or outgoing ports as long as you identify which port is the main port. The main port in this case for the UCBT232B/EXA is usually indicated as “Serial Adaptor ‘Dev B’” as shown below: COM16 shown above is the USB Bluetooth dongle.
Page 15: Pairing With Built-In Bluetooth Or External Usb Bluetooth Dongle Using Bluesoleil (For Windows Xp Or Older)
4. Insert a USB Bluetooth dongle into your computer’s USB port. If you computer has built-in Bluetooth skip this step. 5. Connect the UCBT232B/EXA to the power supply, either by a USB power cable or a 110/5V power adapter, and turn it ON. The red LED light on the UCBT232B/EXA should be steady ‘ON’...
Page 16 USB port for the external USB Bluetooth dongle if you are using this. If this does not help try resetting the UCBT232B/EXA (hold down the reset button for 10 sec with a paper clip while you apply power).
Page 17 If you are getting a “USB Device Not Recognized” error from Windows when you turn on the UCBT232B/EXA you can simply just ignore this error. The adapter only gets its power from the USB port, no data is transmitted.
Page 18 8. Enter the default Pin code which is ‘1234’ 9. Right-click on the Serial Adapter icon and click “Refresh” USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 19 10. Right-click again on the Serial Adapter icon and this time point the cursor on “Connect” and click “Bluetooth Serial Port Service” to connect the UCBT232B/EXA with your computer. 11. If you want Windows to automatically connect to the UCBT232B/EXA click Yes otherwise click No. USconverters.com Copyright ©...
Page 20 12. The UCBT232B/EXA is now paired and connected to your computer. When its successfully connected the blue LED light on the UCBT232B/EXA should be steady blue; and in BlueSoleil a green dotted line with a red arrow going from the serial adapter icon towards the orange circle should be visible.
Page 21 13. To see the COM port number, status and signal strength, right-click on the Serial Adapter icon and click ‘Status’ USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 23: Pairing With Another Serial Bluetooth Adapter
Notice the COM port number , you will need it later. Notice: The parameters of the UCBT232B/EXA can be configured through the serial COM interface or over Bluetooth. RESTART YOUR COMPUTER WITH THE USB TO SERIAL ADAPTER CONNECTED TO YOUR COMPUTER AFTER INSTALLING THE DRIVERS.
Page 24 In this example the COM port created by the USB serial adapter is COM5 2. Download TeraTerm from www.usconverters.com. 3. Install and start TeraTerm. At the startup screen choose the virtual COM port number which the USB adapter has created.
Page 25 DCE (towards the DB9 connector on the UCBT232B/EXA). You are now ready to send commands to the UCBT232B/EXA. If you enter the command AT you should get an ‘OK’ back from the UCBT232B/EXA. Example: Entering the command VERSION=? gives you the UCBT232B/EXA’s version number.
Page 26 Slave adapter and the blue LED light will be steady ON. The wireless communication link is now established. To test if you successfully can send and receive data through the link you can make a loop-back test as described later in this guide. USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 27: Enabling The Dip Switches
You do that by sending the command DIP=Y in Tera Term; this will enable the two DIP switches. The DIP switches can be a convenient way of switching between Master and Slave mode. USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 28: Changing The Com Port Number
Changing the COM port number If you need to change the COM port number the UCBT232B/EXA is using, this can be done as following: Go to Windows Device Manager, right-click on the COM port which Bluesoleil has created, in this case COM 10. If there are multiple COM ports listed in Device Manager you can determine which port to click by right-clicking the Serial Adapter icon in BlueSoleil and click ‘Status’, as described in section 1 of this guide.
Page 29 Under the ‘Port Settings” tab click the “Advanced” button USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 30 You will here be able to change the COM port number After you have changed the COM port number click Ok. At the Windows Device Manager click the “Scan for Hardware changes” icon to have the changes show up: USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 31: Making A Loop-Back Test
Bluetooth (which actually is a virtual serial COM port) to the TX (transmit) wire on the UCBT232B/EXA (pin 2), loop it back (by the help of a paper clip) and then receive it back on the RX (receive) wire of the UCBT232B/EXA, and finally receive it back on your computer.
Page 32 4. Loop-back the TX and RX signals. To do this you can simply use a paperclip by connecting it from pin 2 to pin 3 on the UCBT232B/EXA’s DB9 connector: USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 33 COM port number in AccssPort Configurations. Enter a text string in the lower window and click send. With the UCBT232B/EXA properly connected and linked you should now be able to receive the same characters in the upper window which you send in the lower window.
Page 34: Configuring The Parameters
We cannot guarantee compatibility with other adapters. 1. Connect the UCBT232B/EXA to your computer either directly to a COM port, or if you computer does not have a COM port use a USB to Serial RS232 adapter.
Page 35 CONNECTED TO YOUR COMPUTER AFTER INSTALLING THE DRIVERS. Otherwise you might experience problems with TeraTerm communication. 5. Download TeraTerm from www.usconverters.com, we do not recommend using HyperTerminal. 6. Install and start TeraTerm. At the startup screen choose the virtual COM port number which the USB adapter has created.
Page 36 8. Click OK. If there is a Flow switch on your Serial Bluetooth adapter it should be in position DCE (towards the DB9 connector on the UCBT232B/EXA). You are now ready to send commands to the UCBT232B/EXA. If you enter the command AT you should get an ‘OK’ back from the UCBT232B/EXA.
Page 37 Notice that if you change the baud rate of the UCBT232B/EXA to for example 9600 you will no longer be able to communicate with the UCBT232B/EXA through TeraTerm until you also change the baud rate in TeraTerm to 9600.
Page 38: Configuring The Parameters Over Bluetooth
“Pairing with built-in Bluetooth or external USB Bluetooth dongle using Windows default Bluetooth management software (for Windows Vista, 7, 8)” in this guide for how to pair the serial Bluetooth adapter with your computer using Windows built-in Bluetooth management software. USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 39 CALLED “Pairing with built-in Bluetooth or external USB Bluetooth dongle using Windows default Bluetooth management software (for Windows Vista, 7, 8)” FOR HOW TO DETERMINE WHAT THE BLUETOOTH CREATED COM PORT NUMBER IS. USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 40 It may take a few tries to get the “OK” to appear since the timing of the three > signs have to be correct. The “OK” message means that the serial adapter is now in Command Mode. USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 41 You can now enter any AT command which will be sent to the serial adapter over Bluetooth. Enter the AT command in the lower window and then click the Send button to send the command to the adapter. USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 42 To get the adapter back to Data Mode you can enter the command: connect=y USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 43: Resetting The Serial Bluetooth Adapter
Resetting the adapter by pressing the reset button will erase all settings you have entered and reset them to factory default settings. Removing the power supply to the adapter will however NOT erase your entered settings. USconverters.com Copyright © USconverters.com | Arizona | USA...
Page 44: Questions And Answers
Q: I cannot communicate with my UCBT232B/EXA, why? A: Here are several things you can try: 1. Try and swap the TX and RX wires between the UCBT232B/EXA and the remote device it is connected to by using a null modem adapter. This is required if the serial device you are connecting to is configured as a DTE device.
Page 45 Master mode, and must not be in auto-connect mode. Q: How do I configure the UCBT232B/EXA for 7 data bits, 1 stop bit and even parity? A: The adapter itself cannot be set to 7 data bits however it can still transmit 7 data bits...
Page 46 Q: How can I keep the COM port open at all times? I have created a link using a USB Bluetooth dongle and a UCBT232B and it appears as the COM port does not open until my application software tries to connect to my serial device.
Page 47: Known Issues
Known issues When using the UCBT232B/EXA with SkySafari telescope software the “Echo” and system status messages must be disabled for proper communication. These can be disabled with the commands: ECHO=N PROMPT=N USconverters.com Copyright © USconverters.com | Arizona | USA...

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