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1. AT ROLEM AT ACON before sending AT FIND command Downloaded from Elcodis com electronic components distributor AT 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 Check the serial UART port settings of the adapter AT VER Inquire the current firmware version AT ENQ Lists all the settings along with their brief description The settings include serial port Bluetooth related and other misc settings AT ACON Enable disable auto connection feature in master role 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 ACON Disable auto connection feature After it is executed 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 Downloaded from Elcodis com electronic components distributor AT CONN 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 AT CONN xxxxxxxxxxxx Connect the adapter to a specified Bluetooth device XXX2. 1 Hardware Structure The figure below is an outline of the adapter 1 Link LED 2 Data LED 3 Power LED 4 Mini USB 5 RS232 connector 6 Slide Switch 7 Reset Button 6 2 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 4 Downloaded from Elcodis com electronic components distributor 6 3 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 4 Power Supply The adapter can be powered via e An AC DC converter output power 5 to 12 V DC 300 mA e Amini USB cable e Pin 9 of the RS232 DB9 connector 6 5 LED Status The following is LED status information C 7 Link LED fast 0 1 sec blinking Link LED fast 0 3 sec blinking Discoverable and waiting for a con nection slave mode Link LED slow 0 9 sec blinking Inquiring master mode Link LED very slow 1 2 sec Connecting master mode blinking Link LED steadily on Connection established Downloaded from Elcodis com electronic components distributor 6 6 Installation Procedure Step 1 Plug the adapter into the COM port of device Step 2 Adjust the slide switch depending on whether the device is a DCE or DTE Step 3 Power the adapter on Step 4 Config
3. status 12 Downloaded from Elcodis com electronic components distributor a AT RESP default Prompt result messages al AT RESP Not prompt result messages i AT RESP Inquire the current setting AT FLOW Enables or disables RTS CTS signals handshaking of the UART port Note the setting will cause a reboot Arow saan DibleRTSICTSTOweonm irom erate RTSICTS tow ono rrom haute te oertsetng Treno os renn oos Trena eos rens fos Trena eos mens feo menm Sro renon Traun enoe oats reno oes rea ae menn rare te cerita rrna orei 13 Downloaded from Elcodis com electronic components distributor AT PAR1 Odd parity AT PAR2 Even parity AT PAR Inquire the current setting AT SLEEP Enable disable auto power saving feature of adapter Aser eta Disate aao ponera rse nate ato ponersaing Tastee naure te curen setig rsr Oreste mso rosos mso Tinguretmeomantseing AT ESC Disable Enable escape sequence handling a AT ESC Disable escape sequence handling a AT ESC default Enable escape sequence handling a AT ESC Inquire the current setting AT ECHO Enable disable echo of command characters from bluetooth device AT ECHO Disable echo AT ECHO default Enable echo AT ECHO Inquire the current setting 14 Downloaded from Elcodis com electronic components distributor AT RSSI Inquire the RSSI value for current bluetooth connection This command is o
4. 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 2 Features e Supports Bluetooth Serial port profile and Generic Access profile e No need of external host and software Ease of installation maintenance and use e Supports configuration of local device e Range 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 from a Serial Printer back to the PC or Terminal equipment e Certified by leading Serial Printer Manufact
5. TJrzomorscn Bluetooth RS232 Serial Adapter Manual Document Version 1 0 Firmware Version 6 5x LM048 Bluetooth Document History 1 0 25 03 2011 SV Initial Version 1 1 16 05 2011 PM Add CE Certs Downloaded from Elcodis com electronic components distributor Table of contents gt m gt 3 5 1 92 5 3 6 6 1 6 2 6 3 6 4 6 5 6 6 1 1 7 2 1 23 74 18 7 6 1 41 1 8 19 8 9 10 11 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 Settings Configuration Start up Master Role Configuration Configure Master Slave Adapter pair 3 wire configuration 5 wire configuration 7 wire configuration AT Command set Modem Signals Windows configuration software Warranty Help and Support Disposal notice LM048 and LM058 CE Declaration Downloaded from Elcodis com electronic components distributor Page 1 Page 1 Page 2 Page 2 Page 3 Page 3 Page 3 Page 4 Page 4 Page 4 Page 4 Page 5 Page 5 Page 5 Page 6 Page 6 Page 6 Page 6 Page 7 Page 7 Page 7 Page 7 Page 8 Page 8 15 Page 15 17 Page 18 Page 19 Page 20 Page 21 22 1 Introduction Welcome to the LM Technologies Bluetooth RS232 Serial adapter user manual The LM048 LM058 adapter eliminates your conventional
6. XXXXXXXXX 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 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 Inquire the Bluetooth address of the local adapter 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 iS a String of 12 hexadecimal digits specifying the slave Bluetooth Device address Downloaded from Elcodis com electronic components distributor AT BOND Inquire the designated address that can be paired and connected AT FIND 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 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 AT ROLE Specify whether the adapter is in the master or slave role If the device role is changed the adapter will reboot and al
7. 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 7 5 3 wire configuration Tx Rx GND 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 7 6 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 Downloaded from Elcodis com electronic components distributor 7 7 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 7 8 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
8. al 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 20 Downloaded from Elcodis com electronic components distributor TJ recnnorocies INNOVATIVE TECHNOLOGY PRODUCTS EU Declaration of Conformity RTTE LM Technologies 26 D Guosheng Tai Guozhan block Buji Town Shenzhen China Factory name address Declare under our sole responsibility that the product Bluetooth RS232 Adapter LM048 To which this declaration relates is in conformity with RTTE Directive 1999 5 EC Annex II Low Voltage Directive 73 23 EEC 93 68 EEC EMC Directive 89 336 EEC 92 31 EEC By application of the following standards EN 300 328 November 2004 V1 6 1 EN 301 489 1 August 2002 V1 4 1 EN 301 489 17 August 2003 V1 2 1 EN 609 950 1 2001 EN 50371 14 June 2002 Manufacturer LM Technologies 26D Guosheng tai Guozhan block Buji Town Shenzhen China E f LS 70 PA 08 01 2008 Mr Lee Parry Director Place and date of issue name and signature of authorized person Representative in the EU LM Technologies Ltd Unit 10 Caroline Point 62 Caroline Street Birmingham B3 1 UF UK f u 7 J y x a 74 Cd uf 08 01 2008 Mr Lee Parry Director place and date ofissue name and signature of authorized person 21 Downloaded from Elcodis com electronic
9. components distributor TJ recnnorocies INNOVATIVE TECHNOLOGY PRODUCTS EU Declaration of Conformity RTTE LM Technologies 26 D Guosheng Tai Guozhan block Buji Town Shenzhen China Factory name address Declare under our sole responsibility that the product Bluetooth RS232 Adapter LM058 To which this declaration relates is in conformity with Low Voltage Directive 73 23 EEC 93 68 EEC EMC Directive 89 336 EEC 92 31 EEC By application of the following standards EN 300 328 November 2004 V1 6 1 EN 301 489 1 August 2002 V1 4 1 EN 301 489 17 August 2003 V1 2 1 EN 609 950 1 2001 EN 50371 14 June 2002 Manufacturer LM Technologies 26D Guosheng tai Guozhan block Buji Town Shenzhen China J 08 01 2008 Mr Lee Parry Director Place and date ofissue name and signature of authorized person SSS Representative in the EU LM Technologies Ltd Unit 10 Caroline Point 62 Caroline Street Birmingham B3 1UF UK E AR 08 01 2008 j Mr Lee Parry Director place and date of issue name and signature of authorized person 22 Downloaded from Elcodis com electronic components distributor Copyright LM Technologies Ltd 2011 ce Downloaded from Elcodis com electronic components distributor
10. l 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 AT NAME 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 valid characters Note that first space or last space or isn t permitted The default name is Serial Adapter 11 AT BOND Restore the status in which the adapter can connect with any remote address Downloaded from Elcodis com electronic components distributor AT NAME xxxxx XXXXX IS a character string with a maxi mal length of 16 u AT NAME Inquire the name of the local adapter AT PIN Specify a PIN The default PIN is 1234 Paired adapters should have a same PIN u AT PIN xxxx XXXX IS a 4 8 digit string u AT PIN Cancel authentication by PIN u AT PIN Inquire the current PIN AT RCFG Enables disable remote configuration from a remote device by executing the remote access handshaking protocol Terrors Tensesrenneosuten ersten Pasionaria e racecar discovered by remote device rroen oves oseese g AT DCOV Device is non discoverable u AT DCOV Inquire the current discoverability status AT RESP Specify whether result messages are prompted when AT commands are execut ed The result messages are OK ERROR for command execution or CONNECT DISCONNECT for connection
11. nfiguration is equivalent to LM048 adapter running v4 5x firmware MODEMR FLOW MODEMR Downloaded from Elcodis com electronic components distributor Tx Rx GND Tx Rx GND RTS CTS DTR R DSR R 17 All 7 signals used All RS232 control signals DTR DSR RTS and CTS transferred wirelessly to remote side All 7 lines used Only DTR DSR signals 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 8 Windows configuration software The LM149 Configuration Software allows easy setup of LM048 LM058 RS232 Bluetooth serial adapters To start the configuration software click 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 program Device COM Port Comi Flow Control 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 18 Downloaded from Elcodis com electronic components distributor 9 Warranty Help and Support One 1 Year International warranty Your LM Technologies LM048 LM058 i
12. nly 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 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 MODEM RS232 SIG Description CONTROL SIGNAL NALS AT FLOW AT MODEM FLOW MODEM Tx Rx GND 3 wire configuration 15 Downloaded from Elcodis com electronic components distributor FLOW MODEML FLOW MODEML Downloaded from Elcodis com electronic components distributor 16 Tx Rx GND RTS CTS Tx Rx GND RTS lt gt CTS DTR lt gt DSR Tx Rx GND RTS Gis DTR lt gt DSR RTS CTS signals are used for data flow control between host and adapter and NOT transferred to remote side wirelessly RTS looped back to CTS DTR looped back to DSR RTS CTS signals used for data flow control between host and adapter and NOT transferred to remote side wirelessly DTR looped back to DSR This co
13. s warranted by your supplier for a period of one 1 year from the original date 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 Registration is mandatory to access the help system within the LM Technologies website Help is available through this document the user manual within the LM149 configuration software and our website This document and other documentation including the most up to date frequently asked questions FAQ and troubleshooting solutions are available from the support page of the LM Technologies website You may need to install a version of acrobat reader which is free to download to access this material Please use the enclosed warranty card or register by visiting our website and completing the registration form online 19 Downloaded from Elcodis com electronic components distributor 10 Disposal 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 dispos
14. ure the adapter if necessary Note The UART settings on adapter should match the COM Port settings on the device 7 Usage You can reprogram the adapter settings using HyperTerminal 7 1 HyperTerminal Settings Bits per second 19200 bps baud rate Data bit 8 Parity None Stop bit 1 Flow control None 7 2 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 Downloaded from Elcodis com electronic components distributor 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 7 3 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 FIND to find the device you want to connect 7 4 Configure Master Slave
15. urers like Casio Star Micronics and Casio e Supports External SMA Antenna LM058 only 1 Downloaded from Elcodis com electronic components distributor 3 Package e Bluetooth serial adapter e DB9 male to female converter e USB cable for power supply e User manual e Warranty Card e 2Dbi Antenna LM058 only Optional 9 pin to 25 pin converter All in one power supply UK EU and US Plug 4 General Specification 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 Connection Point to Point piconet TxD RxD GND RTS CTS DTR DSR Standard Bluetooth and 8 DPSK 3 Mbps Max 18 dBm Class 1 Rx Sensitivity 86 dBm typical Downloaded from Elcodis com electronic components distributor Antenna Gain Max 1 to 2 dBi Power Supply 4 to 12 V DC Current Consumption Max 90 mA Operation Temperature 20 C to 75 C Dimensions LM048 46 3 mm W x 34 mm D x 16 mm H LM058 35 mm W x 65 mm D x 16 mm H 5 RS232 Interface 5 1 Pin out se ao 5 2 Signals Signal Direction Direction 5 ose mu Out DataSetReady EN 3 ers ma Sowa Ceartosere o vec roa imoa Powersu Downloaded from Elcodis com electronic components distributor 5 3 Factory Settings The factory settings of COM port are as follows Baud rate 19200 bps Data bit 8 Parity none Stop bit 1 Flow control None Others please refer to section 7 8 AT Command Set 6 Installation 6
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