[WT-support] Parallel-Port question WT & TS 850

[Lorenz Grassl]

Hi Franck,

> Same problem here with TS850 and all computers.
> TS850 don't like semicondutor junction (opto, transistor, diode...) between 
> PTT to Ground.
>   
Well, with my desktop-computer everything works fine! It seems to be a 
low-voltage-problem with the laptop.

73 de Lenz