Line tester connected description

The Line tester connected app provides the following functionality:
- Read the line topology files from the FDUL221 line tester
- Show information of the line (topology, line faults, device information)
- Transfer the line topology file and line summary by E-Mail

Preconditions to use this App:
- Android device with USB-OTG Interface
- Line tester FDUL221 with firmware >=4.1.5