TIC SDR-OMNI - Page 27

SDR-OMNI Avionics Test Set User Manual
Revision B 6 June 2023 Page 23
Table 3-3. TEST Connector pinout
PIN
NUMBER
SIGNAL DESCRIPTION
2
Audio Measurements Input, 10V p-p, 10 kohm AC coupled
3
Audio Signal Generator Out, 4Vp-p Hi-Z, 50 ohm source Z AC coupled
4
Arbitrary Waveform Generator ch 1 / RX video "I" (4Vp-p into hi Z, 50 ohm
source Z)
5
Arbitrary Waveform Generator ch 2 / RX video "Q" (4Vp-p into hi Z, 50 ohm
source Z)
14
Digital I/O #0, usage: TACAN North trigger, XPDR interrogation trigger output,
3.3V logic
13
Digital I/O #1 future use 3.3V logic
12
Digital I/O #2 future use 3.3V logic
11
Digital I/O #3 future use 3.3V logic
1
Digital I/O #4 usage: comm PTT, XPDR suppression out, open collector 100mA
/ 60V
15
Digital I/O #5 usage: XPDR suppression in, threshold 5V, 50 kohm, 60 volts
max
10
+5Vdc for future accessory use
6
Ground
7
Ground
8
Ground
9
Ground