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Manual for BL-819 / 830 © Copyright Brainboxes Limited 2005 Page 4 of 41
1. Introduction
1.1. Preamble
Brainboxes’ RS232 Bluetooth adapters are fully embedded, stand-alone Bluetooth solutions, which will Bluetooth
enable any device with an RS232 port. Unlike many of Brainboxes wide range of Bluetooth products, the adapters
do not require any additional Bluetooth software.
For many applications, a Bluetooth Adapter used in combination with another Bluetooth product (e.g. Brainboxes’
USB adapter connected to a PC with Brainboxes’ Bluetooth Software Suite, or a second adapter) essentially
replaces the serial cable, freeing the device from the limits imposed by the cable specification and in many
applications removes the need for expensive cable installation and maintenance. The devices are designed to
appear transparent to a user’s applications that would otherwise be communicating via a COM port and over a
cable, therefore no specific Bluetooth programming is required. The connection uses Bluetooth security to ensure
that sensitive data is not “sniffed” by any unauthorised source, although this feature can be turned off.
The products described by this document are designed as cable replacement products. Their primary function is to
offer “point to point” Bluetooth capabilities to devices which otherwise do not have the capacity for such behaviour.
This capability is configured by a “set and forget” interface, which is not designed to cater for multiple device
connection scenarios. At the time of publication, the adapters are only capable of connecting to one other Bluetooth
device at a time.
The Adapter is user configurable to baud rates between 244 and 1.3Mbaud in steps of 244, with none, odd, or even
parity, and with 1 or 2 stop bits. Its default factory settings are 115,200 baud, no parity, 8 data bits and 1 stop
bit.
A convenient reset button can be used to restore various functions of the device including a restore of factory
settings.
We trust that if you adhere to the following procedures you will enjoy many years of useful service from your
Brainboxes Bluetooth Adapter.
1.2. Products and Firmware
This document covers Brainboxes part numbers BL-819 and BL-830. Any features that apply to a specific part code
will be clearly identified.
This document covers firmware version 4.3 with which your RS-232 Adapter is supplied. New versions of firmware
will become available in the future, along with an updated Product Manual. Both of these items will be available for
download from our website,
http://www.brainboxes.com/