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LM Technologies RS232 Owner's Manual

Bluetooth rs232 serial adapter
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Bluetooth RS232 Serial Adapter
Document Version: 1.2
Firmware Version: 4.52
LM058

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Summary of Contents for LM Technologies RS232

  • Page 1 Bluetooth RS232 Serial Adapter Document Version: 1.2 Firmware Version: 4.52 LM058...
  • Page 2 Document History Revision Date Name Description 13-03- Initial version 2008 25-03- SV, KS 1. Update 2010 Command Set 2. Update snapshot of configuration software 05-05- Updated AT+BAUD 2010 Command. Deleted 460.8 kbps and 921.6 kbps support...

  • Page 3: Table Of Contents

    Table of contents Introduction Page 1 Features Page 1 Package Page 2 General Specification Page 2 RS 232 Interface Page 3 Pin Out Page 3 Signals Page 3 Factory Settings Page 3 Installation Page 4 Hardware Structure Page 4 Reset Button Page 4 Slide Switch Page 4...

  • Page 4: Introduction

    Introduction Welcome to the LM Technologies Bluetooth RS232 Serial adapter. The LM058 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 communicate wirelessly.

  • Page 5: Package

    Package Bluetooth serial adaptor DB9 male to female converter USB cable for power supply DC adaptor User manual 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 Coverage Up to 100 Meters Connection Point-to-Point (piconet) Signal TxD, RxD, GND, CTS, and RTS RS-232 Interface D_SUB 9-pin female Standard Bluetooth...

  • Page 6: Rs232 Interface

    RS232 Interface Pin-out Signals DTE to DCE DCE to DTE Description Signal Direction Direction Input Output Not connected Input Output Received data Output Input Transmitted data Output Input Not Connected Signal ground Input Output Not Connected Output Input Request to Send...

  • Page 7: Installation

    Restore the factory settings (after over three seconds’ press). 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...

  • Page 8: Power Supply

    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 LED Status The following is LED status information. Status Description All LED on/off three times Device boot OK.

  • Page 9: Configuration Start Up

    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.
  • Page 10 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.. Check the serial UART port settings of the adapter . Inquire the current firmware version AT+VER Lists all the settings along with their brief description.
  • Page 11 Command Description 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 AT+FIND device(s) found.” This command is available only when the adaptor is in the manual master role.
  • Page 12 AT+PAR0(default) None parity bit. AT+PAR1 Odd parity. AT+PAR2 Even parity AT+PAR? Inquire the current setting. Enable/disable auto-power saving feature of RS232 driver AT+SLEEP AT+SLEEP- (default) Disable auto power saving AT+SLEEP+ Enable auto power saving AT+SLEEP? Inquire the current setting. Specify one or two stop bits of COM port.
  • Page 13 Command Description Enable/disable echo of command characters from AT+ECHO 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. This command is only available when the device is in AT+RSSI connected state.

  • Page 14: Windows Configuration Software

    Windows configuration software LM149 Configuration Software allows easy setup of LM058 RS232 Bluetooth serial adapters. To start the configuration software click “Get Device Info” in order to view current settings of LM058 adapter. Once you have setup the configuration that you require you will then need to click “program Device”.

  • Page 15: Warranty And Disposal Notice

    Warranty and Disposal Notice One (1) Year International warranty Your LM Technologies 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.
  • Page 16 Copyright © LM Technologies Ltd - 2010...

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