Block Diagram; The Frame And Its Cards - Studer OnAir 3000 Service Instructions Manual

2.1

Block Diagram

System Clock Bus
SP Slot
or
P O OS
P O CAR
CAR CAR
Vi ta OA3
Syn
Sy te Clo
2 C
AU O O AU O O
CAR CAR
O Slot 2
2.2

The Frame and its Cards

Date printed: 28.02.11
The upper part of the frame houses the DSP section. Its backplane contains
four buses, as shown below:
TDM Bus
Time Division Multiplex bus for audio and control data transfer between DSP
and bridge cards
Sync Bus
Transport of sync signals between Ext. Sync card and Bridge cards
Internal synchronization bus
I C Bus System monitoring (card detection, monitoring of local voltages and tem-
2
peratures).
2
SP CAR SP CAR
SCore i e
AC P A
2 AC P A E
AU O O CAR
CAR RS422
...
*
DSP Slot:
GPIO
I/O Slot: 1 2
As illustrated above, an SCore Live frame houses up to nine DSP cards in the
center of the upper frame section. It also holds up to two (
(
The lower section is reserved for D21m audio I/O and GPIO cards (described
in a separate D21m Product Information brochure).
...
SP CAR or
SP CAR R E CAR
re n ant
E
AU O O
CAR
O Slot ...
for OnAir 3000 operation only
1 2 3 4 5 6
GPIO
(Vista)
or Signal Processing (DSP)
HOST
(OA3k)
Audio In/Out
3 4 5 6 7 8
) additional D21m GPIO card(s) at the left of the DSP cards.
R E E .
CAR S C
a ti e CAR
*
*
AU O O ER ER
CAR CAR
2
7 8 9
PSU
9 10 11 12
SCore Live
PR AR PSU
24 V
PWR
C
2
SEC.
PSU
PWR
24 V
PR AR PSU
A CO RO
V3.0 an p
) or one
SCore Live 7