OK now?

Yes, even, I think for all RS232 on sat-tuners.

LNB1 = Astra 19,2 Universal QUAD TQSX
LNB2 = Astra 28,2 Universal QUAD TQSX
LNB3 = Hotbird 13,0 Universal QUAD TQSX
DiSEqC 1.0 Switch 4 x 1

with DreamBox DM500S =>

Settings ( = 6)
Menu
Service Search
Satellite Configuration
Non-standard user defined configuration
Sat position |LNB|Toneburst|DiSEqC Mode|DiSEqc Parameter|
Astra 19,2 0 A 1.0 A/A
Astra 28,2 1 A 1.0 A/B
Hotbird 13,0 2 A 1.0 B/A

Thanks to nobody!!!