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68 Appendix B: Technical information
The pinout for auxiliary I/O connector A is as follows.
Pin
Hardware signal
name
MIL constant
for auxiliary
signal
Digitizer
device
number for
auxiliary
signal
Description
1
TTL_AUX_IO_4
M_AUX_IO8
M_DEV0
TTL auxiliary signal (input/output) for acquisition path 0, which supports:
user input, user output (M_USER_BIT2 on M_DEV0), trigger input (trigger
controller 0 on acq path 0).
2
TTL_AUX_IO_5
M_AUX_IO9
M_DEV0
TTL auxiliary signal (input/output) for acquisition path 0, which supports:
timer output (M_TIMER1 on M_DEV0), trigger input (trigger controller 1 on
acq path 0), user input, or user output (M_USER_BIT3 on M_DEV0).
3
TTL_AUX_IO_6
M_AUX_IO2
M_DEV0/
M_DEV1
*
TTL auxiliary signal (input/output), shared between acquisition paths 0 and 1
for trigger input (trigger control 2 on acq path 0; 2 on acq path 1), user input,
user output (M_USER_BIT4 on M_DEV0/M_DEV1), and dedicated to
acquisition path 0 for timer output (M_TIMER2 on M_DEV0).
4+,5-
LVDS_AUX_IN2
M_AUX_IO10
M_DEV0
LVDS auxiliary signal (input) for acquisition path 0, which supports: trigger
input (trigger controller 0 on acq path 0), user input, or quadrature input bit
0.
6+,8-
LVDS_AUX_IN3
M_AUX_IO11
M_DEV0
LVDS auxiliary signal (input) for acquisition path 0, which supports: user
input, trigger input (trigger controller 1 on acq path 0), timer-clock input, or
quadrature input bit 1.
7
GND
N/A
N/A
Ground.
10
GND
N/A
N/A
Ground.
12+,11-
OPTO_AUX_IN1
M_AUX_IO7
M_DEV0
Opto-isolated auxiliary signal (input) for acquisition path 0, which supports:
user input or trigger input (trigger controller 1 on acq path 0).
13+,14-
LVDS_AUX_OUT7
M_AUX_IO12
M_DEV0
LVDS auxiliary signal (output) for acquisition path 0, which supports: timer
output (M_TIMER1/M_TIMER2 on M_DEV0) or user output (M_USER_BIT0
on M_DEV0).
15+,9-
OPTO_AUX_IN0
M_AUX_IO6
M_DEV0
Opto-isolated auxiliary signal (input) for acquisition path 0, which supports:
user input or trigger input (trigger controller 0 on acq path 0).
*. Acquisition path 1 (M_DEV1) is only supported on Matrox RadientPro CL-DB.