Garmin MX20 - Mx20 I;O Connector Pin out (J2)

Specifications
MX20 Installation Manual 560-1025-09 Rev E 53
Table 3-6. MX20 I/O Connector Pin Out (J2)
Some features listed are not supported at this time
Pin Name I/O Description
1 SYNCHRO_0_X I
2 SYNCHRO_0_Z I
3 SYNCHRO_0/1_REF_LO I
4 SYNCHRO_1_X I
Reserved
5 DISCRETE_OUT_0 O Discrete Output number 0
6 DISCRETE_OUT_1 O Discrete Output number 1
7 DISCRETE_OUT_2 O Discrete Output number 2
8 DISCRETE_IN_8 I
9 +12V O
10 GND I
11 SHIFT_REG_S/L O
12 561_DATA_IN_B I
13 429_IN_6B I
14 429_IN_5A I
15 429_IN_4A I
16 429_IN_2A I
Reserved
17 429_OUT_0B O ARINC 429 Output port 0B
18 429_OUT_0A O ARINC 429 Output port 0A
19 453/708_IN_0B I ARINC 453/708 Input port 0B
20 5VAC I Reserved
21 453/708_IN_1A I ARINC 453/708 Input port 1A
22 SYNCHRO_2_REF_HI I
23 SYNCHRO_0_Y I
24 SYNCHRO_0/1_REF_HI I
25 SYNCHRO_1_Y I
26 SYNCHRO_1_Z I
27 DISCRETE_IN_2 I
28 DISCRETE_IN_4 I
29 DISCRETE_IN_6 I
30 DISCRETE_IN_5 I
31 SHIFT_REG_DATA_OUT I
32 SHIFT_REG_CLK O
33 VREF_8V2_REARINT I
34 561_DATA_IN_A I
35 429_IN_6A I
36 429_IN_5B I
37 429_IN_4B I
38 429_IN_2B I
39 429_IN_3A I
Reserved
40 453/708_IN_0A I ARINC 453/708 Input port 0A
41 5VAC I Reserved
42 453/708_IN_1B I ARINC 453/708 Input port 1B
43 SYNCHRO_2_REF_LO I
44 SYNCHRO_2_X I
45 SYNCHRO_2_Y I
46 SYNCHRO_2_Z I
47 DISCRETE_IN_0 I
48 DISCRETE_IN_3 I
49 DISCRETE_IN_7 I
Reserved