DDA-4010
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Revision 01
OPERATION
Single 1 In, 8 Out Mode:
ChAx8: Input A to all 8 Outputs (4 x Output A and 4 x Output B):
With the DDA-4010 set-up in the single 1 In, 8 Out mode with input ‘A’ as the primary input,
‘IN A’ goes to all 8 outputs. When an input signal is applied to the input A port, the
corresponding INPUT A and both data rate A & B LEDs will illuminate.
In this example, the data rate has either been set up for either ‘Auto Detect’ or ‘HD-SDI only’ data
rate and is being fed with an HD equivalent data rate signal such as HD-SDI. Unless
Automatic Changeover mode has been implemented, even if a signal has been applied to
the ‘IN B’ port, INPUT B will not illuminate. See Automatic Changeover description for
explanation of how secondary INPUT LED (in this case, B) behaves.
If the input signal that is applied does not match the set data rate, the corresponding input
and both detected data rate LEDs will flash and the outputs will be muted (unless the
Automatic Changeover function has been implemented - see Automatic Changeover
description).
In this example, if the data rate has been set for HD only application and an SD rate has
been applied, both the INPUT A and SD A & B LEDs will flash.
ChBx8: Input B to all 8 Outputs (4 x Output A and 4 x Output B):
With the DDA-4010 set-up in the single 1 In, 8 Out mode with input ‘B’ as the primary input,
‘IN B’ goes to all 8 outputs. When an input signal is applied to the input B port, the
corresponding INPUT B and both data rate A & B LEDs will illuminate.
In this example, the data rate has either been set up for either ‘Auto Detect’ or ‘HD-SDI only’ data
rate and is being fed with an HD equivalent data rate signal such as HD-SDI. Unless
Automatic Changeover mode has been implemented, even if a signal has been applied to
the ‘IN A’ port, INPUT A will not illuminate. See Automatic Changeover description for
explanation of how secondary INPUT LED (in this case, A) behaves.
If the input signal that is applied does not match the set data rate, the corresponding input
and both detected data rate LEDs will flash and the outputs will be muted (unless the
Automatic Changeover function has been implemented - see Automatic Changeover
description).
In this example, if the data rate has been set for HD only application and an SD rate has
been applied, both the INPUT B and SD A & B LEDs will flash.
Automatic Changeover Mode:
With the Automatic Changeover mode enabled, provided a secondary input is present at
the correct set data rate, on loss of the primary input the outputs will automatically switch
to the secondary input. The presence of a secondary input, in this example ‘IN B’, is
indicated by the corresponding INPUT LED flashing.
Note that when the data rate is set for ‘Auto Detect’, or the DA is set-up for non-reclocking
mode, Automatic Changeover will take place regardless of the secondary input’s data rate.
If the secondary input data rate does not match the set data rate, both the secondary
INPUT LED and its corresponding data rate LED will flash. In this example the secondary
input is ‘IN B’ and its corresponding data rate is at the SD rate, whilst input A’s data rate is
obviously set for the HD rate.
Note that this LED configuration scenario is also possible with the DDA-4010 set up as a
dual 1 IN, 4 Out DA with Automatic Changeover enabled where one of the inputs does not
match its sets data rate but the other one does. In this case B is set for HD-SDI only rate.
A B
INPUT
SD
HD
3G
A B
INPUT
SD
HD
3G
A B
INPUT
SD
HD
3G
A B
INPUT
SD
HD
3G
A B
INPUT
SD
HD
3G
A B
INPUT
SD
HD
3G
