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152 Appendix B: Technical information
Pin
Signal
1
P2_OPTO_AUX(TRIG)_IN1+
2
P0_OPTO_AUX(TRIG)_IN1-
3
P3_OPTO_AUX(TRIG)_IN1-
4
P1_OPTO_AUX(TRIG)_IN1+
5
P1_OPTO_AUX(TRIG)_IN1-
6
P2_OPTO_AUX(TRIG)_IN1-
7
P0_OPTO_AUX(TRIG)_IN1+
8
P3_OPTO_AUX(TRIG)_IN1+
9
NC
External auxiliary I/O connector 1
External auxiliary I/O connector 1 is a standard DB-9 female connector, located
on the bracket of the cable adapter board. This connector is used to receive
opto-isolated auxiliary signals; these signals can be used to route trigger or
user-defined signals. This connector interfaces with the 50-pin internal auxiliary
I/O connector on the board, making the I/O signals accessible outside of the
computer enclosure.
The pinout for this connector is as follows. The description of each (positive)
auxiliary signal states whether the signal is specific to an acquisition path and the
type of signals that can be routed onto it.
Description
Opto-isolated auxiliary input for acq. path 2 (positive).
Supported signals: trigger input 1 (main purpose) or user input 5.
Opto-isolated auxiliary input for acq. path 0 (negative).
See pin 7 for more information.
Opto-isolated auxiliary input for acq. path 3 (negative).
See pin 8 for more information.
Opto-isolated auxiliary input for acq. path 1 (positive).
Supported signals: trigger input 1 (main purpose) or user input 5.
Opto-isolated auxiliary input for acq. path 1 (negative).
See pin 4 for more information.
Opto-isolated auxiliary input for acq. path 2 (negative).
See pin 1 for more information.
Opto-isolated auxiliary input for acq. path 0 (positive).
Supported signals: trigger input 1 (main purpose) or user input 5.
Opto-isolated auxiliary input for acq. path 3 (positive).
Supported signals: trigger input 1 (main purpose) or user input 5.
Not connected.
5
1
9
6
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