Bluetooth Serial Adaptor User`s Manual
Contents
1. Il IE leona hno 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 are case insensitive A This command is used to establish a connection Itis available only when the adaptor is in the master role A Connect the adaptor to a specified Bluetooth dev ice Itis available only when ATD xXxxxxxxxxxxx is executed AM AaB ak a the adaptor to a Bluetooth device in the neighborhood found through ATF This command is used to display the Bluetooth address of the 7 i SS SESS B2____ Inquire the Bluetooth address of the local adaptor i the Bluetooth address of the local adaptor This command enable or disable flow control signals CTS RTS of the UART port Note the of the UART port Note the setting isnot affected by ATZO is not affected by ATZO e CO Disable flowcontrol n E2. flow control p C1 Default Enable flow control Lc inquire the current seting y For security purpose this command is used to specify a unique remote Bluetooth serial adaptor to be connected D Inthe master role the adaptor pairs and connects with the designated remote slave address Ifthe adaptor is in the slave mode this command is a filter condition to accept the inquiry of the master dev ice kaa T a oxxo is a string of 12 exadecimal igts XXXX XX XXXXXX s a string of 12 hexadecimal digits Bo e the status in which the oot E can connect with any Bo Ee oot E iM ir Inquiry the designated address that can be paired and connected Im ms command is used to SS parity bit setting of COM port MO Jon ns None parity bit fm Yous party S y hv even panty o E m2 inure the current setting i This command is used to specify a name for the adaptor N You can specify a friendly name using 0 to 9 A to Z a to z space and which are all valid characters Note that first space or last space or isn t permitted The default name is Serial Adaptor N XXXXXX is a character string with a maximal length of 16 N inquire the name of the local adaptor re This command is used to enable disable auto connection feature It is available only when the adaptor is in the master role 00 Automatically connect the adaptor toa device specified by ATD
3. Data bit 8 Parity none Baud Rate Supports 4 8 9 6 19 2 38 4 57 6 115 2 230 4 Kbps Stop bit 1 coverage Uptooom SSC Flow control H W or none Coverage Upto 100 m Others Please refer to section 4 3 AT Command Set Connection Point to point pico net 3 Installation l Signal TxD RxD GND CTS and RTS 3 3 1 Hardware Structure RS 232 i i D_SUB 9 pin female The figure below is an outline of the adaptor 1 2 8 a ca TET Chip antenna or SMA female external antenna optional j 6 5 1 1 Power LED 2 Link LED 3 Slide switch 4 RS232 connector Chip antenna max 1 to 2 dBi Power Supply 5 to 6V DC Current Max 90 mA 5 Mini USB 6 Reset 7 Antenna Consumption Connector button connector Operation a H oN T 20 C to 75 C 3 1 1 Reset Button Simpe rature By pressing the Reset button you can Dimensions 35 mm W x 65 mm D x 16 mm H Disconnect and reconnect a wireless connection after a short press Restore the factory settings after over three seconds press 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 4 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 informatio
4. TABLE OF CONTENTS Bluetooth Serial Adaptor 14 INTRODUCTION cxiciconessiscreoscisavsmsozeieennsinreesaitacinenae 3 1 1 F COMO CS sann Seance see cataa races EE AERES EA semana dsaten 3 User s Manual 1 2 PACKAGE cccscessssssessesssesssesvussenessessseseueeseesstesseeaee 3 2 SPECIFICATIONS nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 3 2 1 General ne ne a a a Da 3 2 2 RS232 WMNGIT AG Cy fos cxcvcusdeatuciesaudceowsessscieensiicawateesade naranrenn 2A PIOU ee ee ee ee ee eee eee 4 222 SIO IAA ar A EEN na anro 2 3 Factory SOMINGS wiciviveieccaverariwaegivieurisncineanteaetarsteikewiew4 SING PALLIAT ION sesscesicdecedccinnxtsenisiacadecisnsweessissaeceaneeemyens 4 m gt 3 1 Hardware Structure nnn unnn nennnnnnnnnnnnnrrnrnnrrrrenrrnrrnen 4 2 31 1 Reset BULON oerrinne i riaan i 4 Ci e 31 2 Slide SWINGIN rseson a EER 4 I 3 13 POW CF SUPPIY txnceccaestincncnccicnoctreeastneiceaeacsceonsinn 5 al 31 4 LED SAWS erisir OR 5 3 2 Installation ProCedure ccceceesee sence eeeeeeeeneeeeaanens 5 4 1 HyperTerminal SettingS ccccceeeceeeeeeeeeeeeeeeeeess 5 f 4 2 CONPIQUPATION ccc cece cece eee eee eee e ee ee seas eeaeenaeeeaaeens 5 Pre RRS S OIUONS tn OUNTE 4 2 1 Configuration Start Up ccce eee e cece eee ene eee ees 5 4 2 2 Master Role Configuration ccccseeeeeeeeeeeeees 6 4 3 AT Command S t ccccceccce cece cece eeeeeeeeeeeeeeeaee
5. enees 6 DE 1 Introduction 2 2 RS232 Interface Thank you for purchasing our Bluetooth serial adaptor The adaptor eliminates your 2 2 1 Pin out EEEE conventional RS232 serial cables providing an easy to use invisible connection with superior freedom of movement This tiny adaptor allows any device with a Ot i a o standard 9 pin serial port to communicate wire lessly You can communicate with Lee another S vefooth serial adaptor or other Bivefooth enabled devices suchas a POD Signals laptop computer PDA or mobile phone 1 1 Features rm sunt often oracion Peron Direction Direction Saetinen Supports Bluetooth Serial Port Profile and Generic Access Profile Not connected e No need of external host and software Transmitted data Easy of installation and use input Output om tput Supports configuration of the local device Zeceed dala e Easy of maintenance e os 4 neoil upports up to 100 meters line of sight e DIR TET a TREE 4 2 Packa Output Input e ouan corel adaptor Clear to send Remarks Antenna Request to send DB9 male tofemale converter RTS Output Input Remarks x ae aes for power supply 9 Vcc Input Input Power suppl adaptor User s angel Remarks The default hardware configuration is for using CTS RTS If you want to igi i use DSR DTR please contact us 2 Specifications 2 3 Factory Settings The factory settings of COM port are as follows 2 1 General Baud rate 19200 bps
6. n __Status_ Description T and waiting for a Link LED fast 0 3 sec blinking connection elave mide Link LED slow 0 9 sec blinking Connecting mastet model Link LED very slow 1 2 sec blinking Link LED steadily 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 Command Description This command is used to specify whether the adaptor E echoes characters recei
7. or Default _ lany available device if ATD Xxxxxxxxxxxxx is not executed 01 Disable auto connection feature After it is executed you need to execute ATA to manually connecta remote device Ho O inquire the current setin SSS S S SE the current setting P This command is used to specifya PIN The default PIN is 1234 Paired adaptors should have a same PIN P XXxx is a4 8 digit string p PO Cancel authentication by PIN TIP mure thecurent PINS 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 l default Sasi Bh Q1 Not prompt result messages n Q inquire the current setting 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 cleared RO Set the adaptor to the master role iar Set the adaptor to the slave role LC R inquire the current role ofthe adaptor Inquire the current role of the adaptor This command is used to restore the default settings and originate a warm start T ZO Restore the default settings e g 19200 bps the default settings e g 19200 bps
8. ved from the UART back to the DTE DCE feo eens characters received from the UART are not Ee ee eae back to the DTE DCE Soo ere characters received from the UART are echoed back to the Soo ere 2 inquire the currentsettng O OOOO 1E __ linquirethe current setting s i d the current setting This command is used to search for any Bluetooth device 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 xxdevice s found This command is available only when the adaptor is in the master role F Inquire Bluetooth dev ices in the neighborhood listing 8 tL devices the maximum H This command is used to specify whether the adaptor can be discovered or connected by remote devices The adaptor enters the undiscoverable mode If a pair has HO been made the original connection can be resumed But other remote master device cannot discover this adaptor H1 adaptor enters the discoverable mode H Inquire the current setting is This command is used to inquiry the firmware version g 1 inquire the version codes This command is used to specify one or two stop bits of COM port KO default One stop bit kn Two stop bits ke Inquire the current setting This command is used to specify the baud rate of COM port E LO 4800 bps L1 9600 bps E L3 38400 bps I 57600 bps
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