Bluetooth Serial Adaptor User`s Manual
Contents
1. TABLE OF CONTENTS Bluetooth Serial Adaptor 1 INTRODUCTION ccccccssescsesesesesesssscecsesessseseseseseeees 3 Lele COLO S tenpiadinceipiareedeiiay seabagmaeeisnimeanesmetaasensoeuneneness 3 User s Manual Ta PACKAOC ra E O 3 2 SPECIFICATION Sixtasccuctccncdestcuticteitewsncerctesctereteinasaunei 3 2 1 Genaral icerir ieee EE rE Seni 3 22 Ro232 MENACE siasa E 4 ee PR U e E E 4 222 S e a ease eee 4 2 0 FAClIOLY Senger wonestevede ex poate wuen sae ienuesceweuse ste 4 StI WN conen ta eae E E E E S 4 ht 3 1 Hardware SUC HUNG isin cd ction Se renceceseatnensdscasegean wianntneniest 4 F s 3 1 1 Reset BUON cicirenna EEEa 4 a 4 3 1 2 Slide SS WINGIAD osise ainen iaaeaie 4 A T a 3 1 3 Power SUDDIY oonan aaaea 5 Sw LIED Status e i e E a 5 3 2 Installation Procedure ccccceceeeceeeeeeeeeeeeeeeeeaeees 5 A USAGE scrini oaran ee ee eee reer 5 4 1 HyperTerminal SettingS cccccceeceeeeeeeeeeeeeeaeenaes 5 Wireless Solutions in Your Hand 4 2 Pia acl EE ETES E EET E 5 4 2 1 Configuration Start Up cccceceee eens ee ee ernn 5 4 2 2 Master Role Configuration 0 c eeeeeeeeeee eee 6 ASD AN Command Sel ckesetvvauswcrcnveeshaceabareuiudsnsweesseengeasesss 6 2 1 Introduction 2 2 RS232 Interface Thank you for purchasing our Bluetooth serial adaptor The adaptor eliminates 2 2 1 Pin out EE your conventional RS232 serial cables providing an easy to use invisible aaa connec2. TxD RxD GND CTS and RTS RS p39 3 1 Hardware Structure i D_SUB 9 pin female The figure below is an outline of the adaptor Interface Standard Bluetooth specification version 2 0 EDR 1 2 3 2 400 to 2 4835 GHz moe e PEE Hopping 1 600 sec 1MHz channel space z amp Max 18 dBm Class 1 Chip antenna or SMA female external antenna optional 5MiniUSBConnector_ 6Reset button 7 Antenna connector Max 90 mA 3 1 1 Reset Button Consumption By pressing the Reset button you can Operation 20 C to 75 C Disconnect and reconnect a wireless connection after a short press Temperature Restore the factory settings after over three seconds press 35 mm W x 65 mm D x 16 mm H 3 1 2 Slide Switch The slide switch can swap TXD RXD and CTS RTS signals By switching you can set the adaptor either as a DTE towards antenna connector or a DCE towards RS232 connector 3 1 3 Power Supply The adaptor can be powered via An AC DC converter output power 5 to 6 V DC 300 mA A USB cable Pin 9 of the D SUB 9 pin connector 3 1 4 LED Status The following is LED status information No power supply Link LED fast 0 1 sec blinking Pairing slave or master mode Discoverable and waiting for a connection slave mode Link LED fast 0 3 sec blinking Link LED slow 0 9 sec blinking Inquiring master mode ing Link LED very slow 1 2 sec blinking Connecting master mode Link LED stead
3. are all valid characters Note that first space or last space or isn t permitted The default name is Serial Adaptor i XXXXXX IS a Character string with a maximal length of 16 i Inquire the name of the local adaptor This command is used to enable disable auto connection feature It is available only when the adaptor is in the master role 00 Default Automatically connect the adaptor to a device specified by ATD or any available device if ATD XXXXXXXXXXXX is not executed 01 Disable auto connection feature After it is executed you need to execute ATA to manually connect a remote device i Inquire the current setting This command is used to specify a PIN The default PIN is 1234 Paired adaptors should have a same PIN PE XxXxX is a 4 8 digit string Cancel authentication by PIN Inquire the current PIN The command is used to decide whether result messages are prompted when AT commands are executed The result messages are OK ERROR for command execution or CONNECT DISCONNECT for connection status La etau Je e This command is used to specify whether the adaptor is in the master or slave role If the device role is changed the adaptor will reboot and all paired addresses will be e cleared E i E Z E 8
4. ily on Connection established 3 2 Installation Procedure Step 1 If provided with an external antenna assemble it to the adaptor body Step 2 Plug the adaptor into the COM port of device Step 3 Adjust the slide switch depending on whether the device is a DTE or DCE Step 4 Power the adaptor on Step 5 Configure the adaptor if necessary 4 Usage You can reprogram the default settings on the adaptor using HyperTerminal 4 1 HyperTerminal Settings Bits per second 19200 bps baud rate Data bit 8 Parity None Stop bit 1 Flow control H W 4 2 Configuration 4 2 1 Configuration Start up Step 1 Plug the adaptor into a COM port of PC Step 2 Power the adaptor on Step 3 Create a HyperTerminal file Step 4 On the interface of the new HyperTerminal file click Properties button Step 5 Select the COM port where the adaptor is attached to your PC and set the port properties as described in section 4 1 HyperTerminal Settings Step 6 Input A in the file and then press lt Enter gt If no echo that is nothing is displayed when you input A it indicates 5 This command is used to specify whether the adaptor echoes characters received from the UART back to the DTE DCE E0 Command characters received from the UART are not echoed back to the DTE DCE Command characters received from the UART are echoed back to the Inquire the current setting This command is used to search for any Bluetooth de
5. n It is available only when the adaptor is in the master role Connect the adaptor to a specified Bluetooth device It is available only when ATD xxxxxxxxxxxx is executed il Connect the adaptor to a Bluetooth device in the neighborhood found through ATF his command is used to display the Bluetooth address of the local adaptor gt co nquire the Bluetooth address of the local adaptor This command enable or disable flow control signals CTS RTS of the UART port Note the setting is not affected by ATZO l i isable flow control i 1 Default nable flow control nquire the current setting c For security purpose this command is used to specify a unique remote Bluetooth serial adaptor to be connected In the master role the adaptor pairs and connects with the designated remote slave address If the adaptor is in the slave mode this command is a filter condition to accept the inquiry of the master device D XXXXXXXXXXXX XXXX XX XXXXXX IS a String of 12 hexadecimal digits Restore the status in which the adaptor can connect with any remote address Inquiry the designated address that can be paired and connected B m Tsconmandis revo speci pry otsera or GON por eene S Om e oo SSS Qe em SSSS S S De herean oooO This command is used to specify a name for the adaptor You can specify a friendly name using 0 to 9 A to Z a to z space and which
6. tion with superior freedom of movement This tiny adaptor allows any eo device with a standard 9 pin serial port to communicate wirelessly You can communicate with another Bluetooth serial adaptor or other B uetooth enabled 2 2 2 Signals devices such as a laptop computer PDA or mobile phone nie DCE Description 1 1 Features Direction Direction p Supports Bluetooth Serial Port Profile and Generic Access Profile Output Not connected Easyofinstalation anduse Output Transmitted data Supports configuration of the local device Input Output Received data Easy of maintenance Output Not connected Supports up to 100 meters line of sight Signal ground 1 2 Package Output Not connected Bluetooth serial adaptor 1 ea Output Clear to send Remarks Antenna 1 ea RTS O Request to send DB9 male to female converter 1 ea utput nput Remarks s D ada TRTE Power supply User s manual 1 ea Remarks The default hardware configuration is for using CTS RTS If you want to 25S ificati use DSR DTR please contact us Specincallons 2 3 Factory Settings 2 1 General The factory settings of COM port are as follows Baud rate 19200 bps Data bit 8 Specification e Parity none Baud Rate Supports 4 8 9 6 19 2 38 4 57 6 115 2 230 4 Kbps Stop bit 1 Up to 100 m Flow control H W or none g r s s Others Please refer to section 4 3 AT Command Set Point to point pico net 3 Installation
7. vice in the neighborhood within one minute If any device is found its name and address will be listed The search ends with a message Inquiry ends xx device s found This command is available only when the adaptor is in the master role F Inquire Bluetooth devices in the neighborhood listing 8 devices the l maximum This command is used to specify whether the adaptor can be discovered or connected by remote devices e The adaptor enters the undiscoverable mode If a pair has been made HO the original connection can be resumed But other remote master device cannot discover this adaptor T C id il i A co C T E C E E E E T aTe that the baud rate is incorrect Ensure that the baud rate is 19200 bps Step 7 Input AT and then press lt Enter gt OK is displayed If necessary reprogram the configuration of adaptor using AT commands For related commands please refer to section 4 3 AT Command Set 4 2 2 Master Role Configuration You can use ATRO to change the adaptor to the master role When the adaptor is in the master role you can use ATO1 to manually set up a connection and ATF to find the device you want to connect 4 3 AT Command Set The following is the AT command set for the local adaptor in the command mode that is the local adaptor is in the disconnection state All the commands and parameters are case insensitive Command Description This command is used to establish a connectio
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