Bluetooth RS232 Serial Adapter Manual Document Version
Contents
1. human health and to preserve natural resources Page 15 INNOVATIVE TECHNOLOGY PRODUCTS EU Declaration of Conformity RTTE LM Technologies 26 D Guosheng Tai Guozhan block Buji Town Shenzhen China Factory carne midrema Declare under our sole responsibility that the product Bluetooth RS232 Adapter LM048 To which this declaration relates Is In conformity with EN 300 328 November 2004 V16 1 Enso August 200 vt o ooo END August 2008 va EYE Fe Se TE ENS 14 June 202 mrss 280 Guceheg tai Bug Town Shenzhen p 06 01 2008 Mr Lee Parry Director Piece and dete of iame name and dignes cf adberited parson SSS Represemauve in me EU Unit 10 Caroline Print 82 Carolina Street Birmingham B3 1 UF x N 7 Me rE 0601 2008 u Mr Les Parry Director piece and date ot mso frame mncigratire lt sutrartsed goros SS Page 16 INNOVATIVE TECHNOLOGY PRODUCTS EU Declaration of Conformity RTTE LM Technologies 26 D Guosheng Tai Guozhan block Buji Town Shenzhen China Factory care address Deciare under our sole responsibility that the product Bluetooth RS232 Adapter LM058 To which this declaration relates Is In conformity with Low vette Dirociive EMC BSSSSEEC SASUEEC Page 17 Copyright LM Technologies Ltd 2011 CE2. the LM Technologies Bluetooth RS232 Serial adapter The LM048 LM058 adapter eliminates your conventional RS232 serial cables providing an easy to use invisible connection with superior freedom of movement This adapter allows any device with a standard 9 pin serial port to communicate wirelessly This adapter can use both RTS CTS flow control or DTR DSR handshaking This adapter is capable emulating a serial cable in true sense by transferring all the RS232 controls signals RTS CTS DTR and DSR wirelessly to the remote side over a bluetooth link This capability is beneficial in case of Serial Printers which report error conditions like Out of Paper Power failure etc by de asserting the DTR or RTS lines This adapter is mostly used in pairs as serial cable replacement However you can communicate with another Bluetooth serial adapter or other Bluetooth enabled devices such as a laptop computer PDA or mobile phone Features e Supports Bluetooth Serial port profile and Generic Access profile e No need of external host and software e Ease of installation maintenance and use e Supports configuration of local device e Supports up to 100 meters open space e Support of RTS CTS data flow control e Support of DTR DSR handshaking e Ability to transfer RTS CTS DTR and DSR signals wirelessly over bluetooth link This unique signal handling feature is used in reporting messages such as Out of Paper or Off Line f
3. to a device in the neighborhood found through AT FIND N is the index of the discovered Bluetooth device during inquiry AT CONNn n 1 8 AT DROP Drop the connection when the device is in either master 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 Page 8 AT BOND For security purpose this command is used to specify a unique remote Bluetooth serial adapter to be connected In the master role the adapter 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 Restore the status in which the adapter can connect with AT BOND any remote address AT BOND Inquire the designated address that can be paired and connected Search for any Bluetooth device in the neighborhood within one minute If any device is found its name and AT FIND address will be listed The search ends with a message Inquiry ends xx device s found This command is available only when the adapter is in the manual master role AT FIND Start the inquiry AT FIND Cancel the ongoing inquiry Specify whether the adapter is in the master or slave role lf the device ro
4. LL recunoLocies Bluetooth RS232 Serial Adapter Manual Document Version 1 2 Firmware Version 6 5x v LM048 LM058 Bluetooth Document History Revision Date Name Description 1 0 25 03 SV Initial version 2011 1 1 16 05 PM Add CE Certificates 2011 1 2 15 02 SV 1 Add LM058 Hardware 2012 Structure 2 Update LM149 Configuration Software screenshot UT amp NN R 5 1 5 2 5 3 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 71 7 2 7 3 7 4 7 5 7 6 7 7 7 8 7 9 Table of contents Introduction Features Package General Specification RS232 Interface Pin out Signals Factory Settings Installation LMO48 Hardware Structure LMO58 Hardware Structure Reset Button Slide Switch Power Supply Antenna Connector LMO58 only LED Status Installation Procedure Usage Hyperterminal Settings Configuration Setup Master Role Configuration Configure Master Slave adapter pair 3 wire configuration 5 wire configuration 7 wire configuration AT Command Set Modem Signal Settings Windows Configuration Software Warranty and Disposal Notice LM0A8 CE Certificate LM058 CE Certificate Page 1 Page 1 Page 2 Page 2 Page 3 Page 3 Page 3 Page 3 Page 4 Page 4 Page 4 Page 5 Page 5 Page 5 Page 5 Page 5 Page 6 Page 6 Page 6 Page 6 Page 7 Page 7 Page 7 Page 7 Page 7 Page 7 Page 12 Page 13 Page 15 Page 16 Page 17 Introduction Welcome to
5. N before sending AT FIND command Page 7 Command Description Switch the device from online Data mode to online command mode while maintaining the connection to the remote device The characters should be send with 1000 ms guard time AT Check the serial port communication with the adapter ATEVER 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 This command will cause a reboot 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 default ACON you need to execute AT CONN to manually connect a remote device ACON Inquire the current setting AT CONN Establish a connection It is available only when the adapter is in the manual master role Connect to the specified bonded device It is available only when AT BOND xxxxxxxxxx is executed where XXXXXXXXXXXX is the 12 hex digit string specifying remote device bluetooth address Connect the adapter to a specified Bluetooth device AT CONN XXXXXXXXXXXX XXXXXXXXXXXX is 12 hexadecimal digit string specifying Remote device Bluetooth address AT CONN Connect the adapter
6. ND to find the device you want to connect Configure Master Slave adapter pair Please refer to configuration utility software Section 8 to configure a master slave adapter pair Once the configuration is done the pair will connect to each other automatically 3 wire configuration The default configuration is the 3 wire configuration in which only Tx Rx and GND lines are used Set the 3 wire configuration by sending AT FLOW and AT MODEM command 5 wire configuration Tx Rx GND RTS CTS Set 5 wire configuration which uses RTS CTS flow control signals by sending AT FLOW and AT MODEM command RTS CTS status is not transferred wirelessly over Bluetooth link to the remote side 7 wire configuration Tx Rx GND RTS CTS DTR DSR Set 7 wire configuration by sending AT FLOW and AT MODEMR command RTS CTS lines are used for local flow control between device and adapter DTR DSR lines are used for handshaking between local device and remote connected device The DTR DSR line status is transmitted wirelessly over bluetooth link For all settings refer section 7 9 AT Command Set The following is the AT command set for the local adapter in the command mode that is the local adapter is in the disconnection state All the commands and parameters are case insensitive Please note AT FIND command is available only when the adapter is in the manual master role In other words you should send AT ROLEM AT ACO
7. Power LED 4 Mini USB connector 5 RS232 6 Slide Switch 7 Reset Button connector 6 2 LMO58 Hardware Structure 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 Page 4 6 3 Reset Button By pressing the Reset button you can Disconnect and reconnect a wireless connection after a short press Restore the factory settings after over three seconds press 6 4 Slide Switch The slide switch can swap TXD RXD RTS CTS and DTR DSR signals Using this switch you can set the adapter either as a DTE towards antenna connector or a DCE towards RS232 connector 6 5 Power Supply The adapter can be powered via An AC DC converter output power 5 to 12 V DC 300 mA A mini USB cable Pin 9 of the RS232 DB9 connector 6 6 Antenna Connector LMO58 only The LM058 has a Reverse Polarity RP SMA Antenna Connector to connect the 2dBi antenna provided with it User can also connect a high gain antenna instead of 2 dBi antenna to increase the range 6 7 LED Status The following is LED status information Status Description All LED on off three times Device boot OK Data LED on Transmitting Receiving data Link LED off No pairing established connection slave mode Page 5 6 8 7 1 7 2 Installation Procedure Step 1 Plug the adapter into the COM port of device Step 2 Adjust the slide switch depending on whether t
8. TS lt gt CTS DTR looped back to DSR DTR lt gt DSR FLOW MODEML Tx Rx GND RTS CTS signals used for RTS CTS data flow control DTR lt gt DSR between host and adapter and NOT transferred to remote side wirelessly DTR looped back to DSR This configuration is equivalent to LM048 adapter running v4 5x firmware FLOW MODEMR Tx Rx GND All 7 signals used All RTS R CTS R DTR R DSR R RS232 control signals DTR DSR RTS and CTS transferred wirelessly to remote side Page 12 FLOW MODEMR Tx Rx GND All 7 lines used Only RTS CTS DTR DSR signals DTR R DSR R transferred wirelessly to remote side If RTS CTS signals are not used then this configuration is equivalent to LM048 SPA Adapter running v4 6X firmware Windows configuration software The LM149 Configuration Software allows easy setup of LM048 LM058 RS232 Bluetooth serial adapters To start the configuration software click Read Settings or Get Device Info in order to view current settings of LM048 LM058 adapter Once you have setup the configuration that you require you will then need to click Save Settings or Program Device Serial Port Settings Local Device Pi pr COM Port Set Rate anty Read COM1 119200 None z Device Name Flow Control Stop Bis Pin Code B Enabled B One Disabled Two Bonded Address Modem Signal AT Command Connection Remote Sanico R
9. e sequence handling AT ESC default Enable escape sequence handling AT ESC Inquire the current setting AT ECHO AT ECHO AT ECHO default Enable disable echo of command characters from bluetooth device Disable echo 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 MODEM Enable disable RS232 modem signals This command is used in conjunction with AT FLOW command AT MODEM default Disable Modem Signals AT MODEML Enable Local loopback RS232 signals are looped back with each other depending on flow control setting AT MODEMR Enable Remote transfer RS232 signals will be transferred over bluetooth link depending on flow control setting AT MODEM Inquire the current setting AT RESET Restore the default settings and reboot Page 11 7 9 Modem Signal Settings The modem signal setting is used in conjunction with AT FLOW setting to enable disable RS232 control signals as per the table below FLOW CONTROL MODEM SIGNAL RS232 SIGNALS Description AT FLOW AT MODEM FLOW MODEM Tx Rx GND 3 wire configuration FLOW MODEM Tx Rx GND RTS CTS signals are used RTS CTS for data flow control between host and adapter and NOT transferred to remote side wirelessly FLOW MODEML Tx Rx GND RTS looped back to CTS R
10. emote Class of Device Master DIR BRS UART Dewce Connection OSR cis Page 13 The LM048 LM058 can also be paired via the configuration program using the Pairing 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 Restore Factory Settings button Page 14 Warranty and Disposal Notice One 1 Year International warranty Your LM Technologies LM048 LM058 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 Ser Hh 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
11. he device is a DCE or DTE Step 3 Power the adapter on Step 4 Configure the adapter using LM149 Software if necessary Note The UART settings on adapter should match the COM Port settings on the device Usage You can reprogram the adapter settings using HyperTerminal HyperTerminal Settings Bits per second 19200 bps baud rate Data bit 8 Parity None Stop bit 1 Flow control None Configuration Start up Step 1 Plug the adapter into a COM port of PC Step 2 Power the adapter 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 adapter 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 COM port settings are incorrect or slide switch is in the wrong position Step 7 Input AT and then press lt Enter gt OK is displayed If necessary reprogram the configuration of adapter using AT commands For related commands please refer to section 7 8 AT Command Set Page 6 7 3 7 4 7 5 7 6 7 7 7 8 Master Role Configuration You can use AT ROLEM to change the adapter to the master role When the adapter is in the master role you can use AT ACON to manually set up a connection and AT FI
12. le is changed the adapter will reboot AI ROLE and all paired records will be cleared AT ROLEM Set the adapter to the master role AT ROLES default Set the adapter to the slave role AT ROLE Inquire the current role of the adapter Specify a name for the adapter 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 SerialADT AT NAME xxxxx xxxxx is a character string with a maximal length of 16 AT NAME Inquire the name of the local adapter ATEPIN Specifv a PIN The default PIN is 1234 Paired adapters 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 AT RCFG device by executing the remote access handshaking AT RCFG Enables remote configuration AT RCFG default Disables remote configuration AT RCFG Inquire the current setting Page 9 ATEDCOV Specifv whether the adapter can be discovered by remote device Changing this value causes a reboot AT DCOV default Device is in discoverable state AT DCOV Device is non discoverable AT DCOV Inquire the current discoverability status Specify whether
13. result messages are prompted when AT commands are executed ATERESE 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 Enables or disables RTS CTS signals handshaking of the ATFRLOW UART port Note the setting will cause a reboot AT FLOW default Disable RTS CTS flow control AT FLOW 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 BAUD19 460 8 Kbps AT BAUD20 921 6 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 Page 10 Enable disable auto power saving feature of adapter AT SLEEP 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 bits AT STOP Inquire the current setting AT ESC Disable Enable escape sequence handling AT ESC Disable escap
14. rom a Serial Printer back to the PC or Terminal equipment e Certified by leading Serial Printer Manufacturers like Casio Star Micronics and Casio e Supports External SMA Antenna LMO58 only Page 1 3 Package Bluetooth serial adapter DB9 male to female converter USB cable for power supply User manual Warranty Card 2Dbi Antenna LMO58 only Optional 9 pin to 25 pin converter Allin one power supply UK EU and US Plug 4 General Specification Specification Description Baud Rate 1 2 2 4 4 8 9 6 19 2 38 4 57 6 115 2 230 4 460 8 921 6 Kbps Page 2 Dimensions LMO048 46 3 mm W x 34 mm D x 16 mm H LMO058 35 mm W x 65 mm D x 16 mm H 5 RS232 Interface 5 1 Pin out 54321 9876 5 2 Signals Pin DTE DTE to DCE DCE to DTE Description Signal Direction Direction 1 CD Input Output Not connected 2 RxD Input Output Received data 3 TxD Output Input Transmitted data 4 DTR Output Input Data Terminal Ready 5 GND N A N A Signal ground 6 DSR Input Output Data Set Ready 7 RTS Output Input Request to Send 8 CTS Input Output Clear to Send 9 Vcc Input Input Power supplv 5 3 Factorv Settings The factorv settings of COM port are as follows Baud rate 19200 bps Data bit 8 Paritv none Stop bit 1 Flow control None Others please refer to section 7 8 AT Command Set Page 3 6 Installation 6 1 LMO48 Hardware Structure The figure below is an outline of the adapter 1 Link LED 2 Data LED 3
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