I tried to connect it to laptop today with drivers from rfxcom.com but also no luck :(
In device manager it says error "A request for the USB device descriptor failed".
Also trying to connect with the RFXCOM manager and flash application no connection possible.
Seems like the RFXCOM is broken so I ...

I can see the following using the dmesg command.
[12667.658968] usbcore: registered new interface driver ftdi_sio
[12667.664817] usbserial: USB Serial support registered for FTDI USB Serial Device
But there is nothing like FTDI USB Serial Device converter now attached to ttyUSB0
Also not in the ...

I was unable to install the USBSerialDriver package so I removed the following:
/volume1/@appstore/UsbSerialDrivers
/var/packages/UsbSerialDrivers
After that I gave a reboot but still no luck.
I don't know if everything of the USBSerialDriver package is removed now.
Is there a way to check if the ...

Yes, I downloaded the one for DSM6:
Domoticz v3.0.5042-7
Minimum DSM verison: 6.0-7274

My DSM is on DSM 6.0-7321

I have a Synology DS1513+ and installed the latest package from Domoticz.
I connected my RFXCOM 433 to the USB port of the NAS but I don't see the Serial Port in Hardware Setup in Domoticz.
I tried with and without the USB Serial Drivers but no luck and I even tried to install from Jumbotroll ...