Can't connect from USB307
## Alarm system
EVOHD, Serial (using USB307 /dev/ttyUSB0 )

## Environment
OrangePI, Python 3.7.3

## Git branch
Which Git branch you use. Did you tried "dev" branch? Please try before posting.

## Describe the bug
I can't connect to the panel. If I install virtualhere and forward /dev/ttyUSB0 to my pc, I can connect to the panel with password 0000, but I can't connect from pai.

## To Reproduce
```python3 run.py```

## Logs
```
2019-08-30 21:54:39,449 - INFO     - PAI.paradox.paradox - Found Panel EVOHD version 7.17 build 6
2019-08-30 21:54:39,450 - INFO     - PAI.paradox.paradox - Starting communication
2019-08-30 21:54:39,586 - INFO     - PAI.paradox.hardware.evo.panel - Initializing communication
2019-08-30 21:54:39,607 - ERROR    - PAI.paradox.paradox - Got ERROR Message: Invalid PC Password
```