Grass Valley 8921DAC - Manual (Page 9)

8921DAC Instruction Manual 9
Installation
Frame Capacity
The 8921DAC module can be installed in all Gecko 8900 audio frames but
with varying maximum quantities determined by frame cooling capacity.
Table 1 provides the power capacity, cooling capacity, and maximum
module count for each frame type.
Note Module capacity figures assume no other modules are in the frame.
X = Not recommended without forced air cooling.
Module Placement in the Gecko 8900 Audio Frame
There are ten cell locations in the audio frame to accommodate audio mod-
ules. These are the left ten locations. Refer to
Figure 2 .
The two cells on the right are allocated for the power supplies. For addi-
tional information concerning the Power Supply module, refer to the 8900
Power Supply manual.
The third cell from the right is allocated for the Frame Monitor or 8900NET
Network Interface module. These modules provide health monitoring and
control options.
Figure 2. Gecko 8900 Series Frame
Table 1. Audio Frame Power Capacity
Capacity Calculated 8900TX Frame 8900TF Frame 8900TFN Frame
Power (W) 100 100 100
Recommended Module Cooling (W) 30 90 90
8921DAC Modules 4 10 10
Frame Monitor or
8900NET Network
Interface Module
8900 Audio Media Modules Power
Supplies
(only)
8157_04r1