Studer OnAir 3000 Service Instructions Manual page 332

SCore Live
Ventilation Implementation
Setup A: Closed
Core ive
Rear Front
4 SCore Live
A power dissipation estimation, considering the number of cards and their
configuration within the frame, is strongly recommended. The following
tables give some guidelines.
Card No.
DSP cards:
A943.0326
A943.0331
A943.0360
A943.0370
D21m I/O cards*:
A949.0427
A949.0428
A949.0421
A949.0420
A949.0422
A949.0423
A949.0424
A949.0430
A949.0425
A949.0429
A949.0426
A949.0412
A949.0411
A949.0437
A949.0438
A949.0435
* For more information on the D21m I/O cards, please refer to the separate
Setup B: Passive,
2 Air Deflector Units
Air
Core ive
Air
Rear Front
Thermal Total
Setup Height
A 6 U
B 8 U
C 8 U
D 9 U
If required, the air flow direction may be changed by reversing the deflector
and fan units. However, air intake at the front and air outlet at the rear is the
recommended scheme.
Card Name/Description
Backplane with power supply
Host card
Ext. Sync card
DSP Pro card
ridge
B card (Redundant versions: A943.0370.35 and up)
Mic/Line in card
Analog insert card
Line In card
Line out card
AES/EBU card
AES/EBU card with input SFC
AES/EBU card with input/output SFC
MADI card
ADAT card
ADAT card, long-distance option
TDIF card
HD card
MADI HD card
Serial card
Serial Merger card
GPIO card
D21m Product Information brochure.
Setup C: Active, 1 Fan
Unit, 1 Air Deflector Unit
Air
Core ive
Rear Front
Max.
Restrictions
Dissipation
50 W -
100 W -
Config. N1...N4
150 W
(see below)
400 W -
Dissipation
(approx.)
Setup D: Active, 1 Fan
Unit, 2 Air Deflector Units
Air
Core ive
Air
Rear
Bottom Cooling Top Cooling
-
Deflector Unit Deflector Unit
Fan Unit Deflector Unit
Deflector Unit
Deflector Unit
+ Fan Unit
Date printed: 28.02.11
10 W
10 W
0.2 W
11 W
11 W
11 W
2 W
7 W
7 W
3.5 W
4.5 W
5.5 W
4.5 W
1.7 W
1.7 W
1 W
5 W
5.5 W
0.2 W
0.6 W
3 W
Air
Front
-