12
ATB 19x
Part N
o
: 9848.xx
ASI - TV Transmodulator
ASI
→
ATV (AM)
Item
Message
Message Typ
Explanation
13
Tonmode Mono L+R
INFORMATION
Sound mode set as mono total
14
Tonmode Mono L
INFORMATION
Sound mode set as mono on left
15
Tonmode Mono R
INFORMATION
Sound mode set as mono on right
16
Tonmode Stereo
INFORMATION
Sound mode set as stereo
17
Tonmode Dual
INFORMATION
Sound mode set as dual
18
Tonmode Dual invers
INFORMATION
Sound mode set as dual inverse
12. Block diagram
ASI
Frontend
MPEG-
decoder
Video/Audio-
processing
IF
RF
Vestigial
sideband
IF modulator
2x FM
modulator
ASI
RF
45...
862 MHz
DVB - MPEG 2
TS
TS
13. Head end BUS structure
.
HCB x00
Headend
Controller
BEB x00
Bus Extender
Modul
signal processing
unit
H
C
B
x
00
M
od
ul
A
D
D
R
. 1
5
B
E
B
x
00
A
D
D
R
. 0
1
B
E
B
x
00
A
D
D
R
. 0
2
B
E
B
x
00
A
D
D
R
. 1
5
M
od
ul
A
D
D
R
. 0
1
M
od
ul
A
D
D
R
. 0
1
M
od
ul
A
D
D
R
. 0
1
M
od
ul
A
D
D
R
. 1
5
M
od
ul
A
D
D
R
. 1
5
The number of the possible module connections (00 ... 15) to a
BEB x00 depends on the total power consumption of this line!
