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1. Disconnect and reconnect a wireless connection after a short press Restore the factory settings after over three seconds press 6 3 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 Page 4 6 4 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 DB 9 pin connector 6 5 LED Status The following is LED status information Status Description All LED on off three times Device boot OK Link LED off No pairing established Link LED fast 0 1 sec blinking Pairing Link LED fast 0 3 sec blinking Discoverable and waiting for a connection slave mode Link LED slow 0 9 sec blinking Inquiring master mode Link LED very slow 1 2 sec blinking Connecting master mode Link LED steadily on Connection established 6 6 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 DCE or DTE Step 4 Power the adaptor on Step 5 Configure the adaptor if necessary 7 Usage You can reprogram the default settings on the adaptor using HyperTerminal 7 1 HyperTerminal Settings Bits per second 19200 bps baud rate Data bit 8 Parity None
2. xx device s found This command is available only when the adaptor is in the manual master role AT FIND Start the inquiry AT FIND Cancel the ongoing inquiry Specify whether the adaptor is in the master or slave role AT ROLE If the device role is changed the adaptor will reboot and all paired records will be cleared AT ROLEM Set the adaptor to the master role AT ROLES default Set the adaptor to the slave role AT ROLE Inquire the current role of the adaptor 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 are all AT NAME valid characters Note that first space or last space or isn t permitted The default name is Serial Adapter AT NAME xxxxx xxxxx is a character string with a maximal length of 16 AT NAME Inquire the name of the local adaptor AT PIN Specify a PIN The default PIN is 1234 Paired adaptors should have a same PIN AT PIN xxxx xxxx is a 4 8 digit string AT PIN Cancel authentication by PIN AT PIN Inquire the current PIN Enables disable remote configuration from a remote device AT RCFG by executing the remote access handshaking protocol AT RCFG Default Enables remote configuration AT RCFG Enables remote configuration AT RCFG Inquire the current setting AT DCOV en whether the adapter can bediscovered by remote AT DCOV Default Device is in discoverable state AT DCOV Device is non discoverable AT DCOV I
3. Device Connection The LMO58 can also be paired via the configuration program using the pair Device button It takes you to the page which provides option for pairing Unpairing adapters If you want to set the adapter back to the factory default settings please click the Reset Device button Page 11 Warranty and Disposal Notice One 1 Year International warranty Your LM Technologies LMO58 is warranted by your supplier for a period of one 1 year from the original data of purchase under the terms and conditions of this warranty This warranty covers materials and manufacturing defects Your supplier will require proof of purchase before replacing the defective product Important Notice X DISPOSAL OF OLD ELECTRICAL AND ELECTRONIC EQUIPMENT The symbol indicates that this product shall not be mixed with unsorted municipal waste when disposed of There is separate collection system for waste electrical and electronic equipment Usually old electrical and electronic equipment can be returned free of charge For further information please contact the competent municipal authorities or shop where you purchased the product Correct disposal ensures that waste electrical and electronic Equipment is recycled and reused appropriately It helps avoid potential damage for the environment and human health and to preserve natural resources Page 12 Copyright LM Technologies Ltd 2010 CE
4. LME INNOVATIVE TECHNOLOGY PRODUCTS Bluetooth RS232 Serial Adapter Document Version 1 2 Firmware Version 4 52 dar Document History Revision Date Name Description 1 0 13 03 MS Initial version 2008 1 1 25 03 SV KS 1 Update the AT 2010 Command Set 2 Update snapshot of configuration software 1 2 05 05 SV Updated AT BAUD 2010 Command Deleted 460 8 kbps and 921 6 kbps support 5 1 5 2 5 3 6 1 6 2 6 3 6 4 6 5 6 6 7 1 7 2 7 3 7 4 7 5 Table of contents Introduction Features Package General Specification RS 232 Interface Pin Out Signals Factory Settings Installation Hardware Structure Reset Button Slide Switch Power Supply LED Status Installation procedure Usage Hyperterminal Configuration Start up Master Role Configuration Configure Master Slave Adaptor pair AT Command set Windows configuration software Warranty and disposal notice Page 1 Page 1 Page 2 Page 2 Page 3 Page 3 Page 3 Page 3 Page 4 Page 4 Page 4 Page 4 Page 5 Page 5 Page 5 Page 5 Page 5 Page 6 Page 6 Page 6 Page 7 10 Page 11 Page 12 Introduction Welcome to the LM Technologies Bluetooth RS232 Serial adapter The LMO58 adapter eliminates your conventional RS232 serial cables providing an easy to use invisible connection with superior freedom of movement This adaptor allows any device with a standard 9 pin serial port to c
5. Stop bit 1 Flow control H W Page 5 7 2 7 3 7 4 7 5 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 Hyper Terminal 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 7 1 Hyper Terminal Settings Step 6 Input A in the file If no echo that is nothing is displayed when you input A it indicates 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 7 5 AT Command Set Master Role Configuration You can use AT ROLEM to change the adaptor to the master role When the adaptor is in the master role you can use AT ACON to manually set up a connection and AT FIND to find the device you want to connect Configure Master Slave adaptor pair Please refer to configuration utility software Section 8 to configure a master slave adaptor pair Once the configuration is done the pair will connect to each other automatically 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 d
6. isconnection state All the commands and parameters are case insensitive Please note AT FIND command is available only when the adaptor is in the manual master role In other words you should send AT ROLEM AT ACON before sending AT FIND command Page 6 Command Description Switch the device from online Data mode to online command mode while maintaining the connection to the hi remote device The characters should be send with 1000 ms guard time AT Check the serial UART port settings of the adapter AT VER Inquire the current firmware version Lists all the settings along with their brief description AT ENQ The settings include serial port Bluetooth related and other misc settings Enable disable auto connection feature in master role AT ACON Note it will cause a reboot ACON Default Automatically connect to the adapter specified in AT BOND xxxxxxx If no device is specified then connect to any device which is ready to accept connection Disable auto connection feature After it is executed ACON you need to execute AT CONN to manually connect a remote device ACON Inquire the current setting Establish a connection It is available only when the AT CONN adapter is in the manual master role Connect to the specified bonded device It is available AT CONN only when AT BOND xxxxxxxxxx is executed where XXXXXXXXXXXX is the 12 hex digit string specifying re
7. its AT STOP Inquire the current setting AT ESC Disable Enable escape sequence handling AT ESC Disable escape sequence handling AT ESC default Enable escape sequence handling AT ESC Inquire the current setting Page 9 Command Description Enable disable echo of command characters from ATFECHO bluetooth device AT ECHO Disable echo AT ECHO default Enable echo AT ECHO Inquire the current setting Inquire the RSSI value for current bluetooth connection AT RSSI This command is only available when the device is in connected state AT RESET Restore the default settings and reboot Page 10 Windows configuration software The LM149 Configuration Software allows easy setup of LMO58 RS232 Bluetooth serial adapters To start the configuration software click Get Device Info in order to view current settings of LMO58 adapter Once you have setup the configuration that you require you will then need to click program Device um LM149 Configuration Tool File Debug Help Local Device Settings COM Port Baud Rate Parity FJW VERSION ne CoML 9600 v None w Get Device Info Flow Control Stop Bits Pair Device Enabled one O Disabled OTwo a Device Name Device Address Connection 2 AT Command Remote Device Settings Disable Authenticat Discoverable Mode Device Mode Non D erable Master KJ 6 UART
8. mote device bluetooth address AT CONN XXXXXXXXXXXX Connect the adaptor to a specified Bluetooth device XXXXXXXXXXXX is 12 hexadecimal digit string specifying remote device bluetooth address AT CONNn n 1 8 Connect the adapter to a device in the neighborhood found through AT FIND Drop the connection when the device is in either master AT DROP or slave role It is only allowed when the device is in connected state AT ADDR AT ADDR Inquire the Bluetooth address of the local adapter For security purpose this command is used to specify a unique remote Bluetooth serial adapter to be connected AT BOND In the master role the adaptor pairs and connects with the designated remote slave address In the slave mode this command is a filter condition to accept the inquiry of the master device AT BOND XXXXXXXXXXXX XXXXXXXXXXXX s a string of 12 hexadecimal digits specifying the slave Bluetooth Device address AT BOND Restore the status in which the adapter can connect with any remote address AT BOND Inquire the designated address that can be paired and connected Page 7 Command Description Search for any Bluetooth device in the neighborhood within one minute If any device is found its name and address will AT FIND be listed The search ends with a message Inquiry ends
9. nquire the current discoverability status Specify whether result messages are prompted when AT commands are executed BE The result messages are OK ERROR for command execution or CONNECT DISCONNECT for connection status AT RESP default Prompt result messages AT RESP Not prompt result messages AT RESP Inquire the current setting Page 8 Command Description Enables or disables RTS CTS signals handshaking of the UART AT FLOW t port Note the setting will cause a reboot AT FLOW Disable RTS CTS flow control AT FLOW Default Enable RTS CTS flow control AT FLOW Inquire the current setting AT BAUD Specify the baud rate of COM port AT BAUD10 1200 bps AT BAUD11 2400 bps AT BAUD12 4800 bps AT BAUD13 9600 bps AT BAUD14 default 19200 bps AT BAUD15 38400 bps AT BAUD16 57600 bps AT BAUD17 115200 bps AT BAUD18 230 4 Kbps AT BAUD Inquire the current baud rate AT PAR Specify parity bit setting of COM port AT PARO default None parity bit AT PAR1 Odd parity AT PAR2 Even parity AT PAR Inquire the current setting AT SLEEP Enable disable auto power saving feature of RS232 driver AT SLEEP default Disable auto power saving AT SLEEP Enable auto power saving AT SLEEP Inquire the current setting AT STOP Specify one or two stop bits of COM port AT STOP1 default One stop bit AT STOP2 Two stop b
10. ommunicate wirelessly You can communicate with another Bluetooth serial adaptor or other Bluetooth enabled devices such as a laptop computer PDA or mobile phone Features Supports Bluetooth Serial port profile and Generic Access profile No need of external host and software Ease of installation and use Supports configuration of the local device Ease of maintenance Supports External SMA Antenna Supports up to 100 meters open space Page 1 3 Package Bluetooth serial adaptor DB9 male to female converter USB cable for power supply DC adaptor User manual 4 General Specification Specification Description Baud Rate 1 2 2 4 4 8 9 6 19 2 38 4 57 6 115 2 230 4 Kbps 35 mm W x 65 mm D x 16 mm H Page 2 5 RS232 Interface 5 1 Pin out 4321 of O 9876 5 2 Signals Pin DTE DTE to DCE DCE to DTE Description Signal Direction Direction Transmitted data GND N A N A 5 3 Factory Settings 6 DSR 8 9 The factory settings of COM port are as follows Baud rate 19200 bps Data bit 8 Parity none Stop bit 1 Flow control H W Others please refer to section 7 5 AT Command Set Page 3 6 Installation 6 1 Hardware Structure The figure below is an outline of the adaptor 1 Power LED 2 Data LED 3 Link LED 4 RS232 connector 5 Slide 6 Mini USB 7 Reset Button 8 Antenna Switch Connector Connector 6 2 Reset Button By pressing the Reset button you can

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