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5. Remote Configuration
One of the great features of Brainboxes RS-232 Bluetooth Adapters is the ability to be remotely configured. For
example, a Bluetooth connection can be created from a second device and that second device can change the
baud rate, local name or any of the settings of the adapter over the Bluetooth link.
This is achieved by the adapter presenting two services to connect to; one is the standard serial port service and
the other is a remote configuration service. The latter is connected to, to enable the second device to access the
adapter’s configuration menu using HyperTerminal and thus make any changes. Changes to port settings such as
baud rate, parity or stop bits do not affect the port settings of the second devices’ HyperTerminal settings, so the
adapter can be set to 115200, n, 1 and the HyperTerminal settings for the second device that is accessing the
adapter’s menu remotely can be set to any settings i.e. 9600, e, 2.
Currently the remote configuration feature is not accessible from the main configuration utility application and
HyperTerminal or some other suitable terminal application should be used.
Also, upgrading of the adapter cannot be achieved using remote configuration because as soon as the adapter
starts to upgrade, the Bluetooth connection is lost and there is no longer a way of communicating to the adapter
remotely.
To use remote configuration from adapter to adapter use the command line “remcfg=xxxx-xx-xxxxxx” where the x’s
stand for the remote device’s Bluetooth address.
6. Resetting the Product
The adapter has a “reset button” located on the top of the case as shown in section 2.1 above. This button performs
2 different functions.
a) Resets Paired Devices.
A short press (less than 3 seconds) of the reset button causes any paired device information to be deleted.
When the device is in low security mode, this will not have any effect on the devices operation, but whilst in
high security mode, this will mean that another device can pair with adapter, or that the original device must
expire its bond in order to reconnect.
b) Resets adapter to factory defaults.
A long press (more than 3 seconds) of the reset button causes all factory defaults to be restored. Care
should be taken here to remember that these “factory” settings can actually be updated via the interactive
menu and thus may not be the same as the device was shipped with. The user should also remember that
adapter is likely to need it’s parameters re-configuring to ensure communications can be re-established with
either the local serial device, or remote Bluetooth device.
Manual for BL-819 / 830 © Copyright Brainboxes Limited 2005 Page 28 of 41