Garmin MX20 Installation Manual - page 63
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