[BRLTTY] Mantis q40 with linux in bluetooth

[Chevelle]

     I don't think Trixie has the latest Brltty, unless you set up 
backports.  To see your version:
apt show brltty
Backports has the 6.9.1 version.
https://backports.debian.org/uploads/trixie-backports/
If nobody has a better answer, you could set up trixie-backports.
https://backports.debian.org/Instructions/#index2h2


On 10/21/26 4:34 PM, Roberto Burceni via      wrote:
> Hello,
>
> I have a problem with mantis q40 and debian trixie.
>
> I cannot connect braille display with brltty. I tried several 
> configurations but I don't know ho to solve this.
>
> The situation is this:
>
> I have a Debian Trixie fresh install on an hp notebook elite book with 
> intel chip.
>
> If I try to connect mantis with bluetooth directly with commandline 
> parameters or in brltty config file it does not connect.
>
> Then I paired with bluetoothctl as follows:
>
> power on
>
> agent on
>
> default-agent
>
> scan on
>
>
> When I read the mantis mac address I continue with bluetooth commands
>
> scan off
>
> pair <mac address>
>
> trust <mac address>
>
> connect <mac address>
>
> At this point the keyboard of manis works correctly.
>
> When I launch brltty also with debug the two errors are:
>
> rfcomm error 111 connection refused
>
> error 38 function not supported.
>
>
> I reset more times the bluetooth of mantis and removed from bluetooth 
> stack on pc, but nothing change.
>
> Linux is installed with dual boot with windows no virtual machine it 
> manages directly hardware.
>
> Have you some idea about what can I do to solve this problem?
>
> Thank you in advance
>