R
2
D
3
Data Capture Card
Input and Output Impedance
The default input/output impedance settings for each card
version are as follows:
R2D3-ASSY-0326
75
Ω
unbalanced
R2D3-ASSY-0426
75
Ω
unbalanced
R2D3-ASSY-0327
120
Ω
balanced
R2D3-ASSY-0427
120
Ω
balanced
R2D3-ASSY-0130
75
Ω
unbalanced
R2D3-ASSY-0131
75
Ω
unbalanced
R2D3-ASSY-0431
75
Ω
unbalanced
On E1 cards, input impedance is software selectable
between 75
Ω
, 120
Ω
and high-impedance (40 k
Ω
).
When using high-impedance (40 k
Ω
) connections, the
recommended maximum cable length is 2 metres. For
greater distances, SomerData recommends using a
SomerData
Splitter/Buffer
.
Installation and Operation
3-4
Signal Input/Output Connections
R2D3
cards are available in the following signal connector
configurations:
R2D3-ASSY-0326
BNC
Connectors
R2D3-ASSY-0426
BNC
Connectors
R2D3-ASSY-0327
RJ-45
Connectors
R2D3-ASSY-0427
RJ-45 Connectors
R2D3-ASSY-0130
BNC
Connectors
R2D3-ASSY-0131
BNC
Connectors
R2D3-ASSY-0431
BNC
Connectors
Содержание R2D3-ASSY-0130
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