190-02246-11
GI 275 Part 23 AML STC Maintenance Manual
Rev. 1
Page 4-5
Figure 4-3 GI 275 J2752 Connector (Looking at Connector)
CAUTION
Pins highlighted in gray are not present in GI 275 ADAHRS units (P/Ns 011-04489-10 and
011-04489-30) and should be treated as Not Connected. All pins listed in Table 4-3 are
present in GI 275 AP units (P/Ns 011-04489-20 and 011-04489-40).
Table 4-3 J2752/P2752 Connector
Pin
Function
I/O
Pin
Function
I/O
1
DISCRETE OUT 7 LO
OUT
40
DISCRETE OUT 8 LO
OUT
2
SPARE
--
41
AP INTERLOCK RELAY COM
IN
3
GYRO VALID COMMON
--
42
GYRO VALID RELAY NC
OUT
4
DISCRETE IN 5 LO
IN
43
DISCRETE IN 6 LO
IN
5
VERTICAL -FLAG OUT
OUT
44
VERTICAL SUPERFLAG
OUT
6
PITCH AC OUT HI
OUT
45
ROLL AC OUT LO
--
7
26 VAC REF LO
IN
46
10 VAC REF LO
IN
8
HEADING SYNCRO X
OUT
47
HEADING SYNCHRO Z
IN
9
VEUP OUT
OUT
48
LLEFT OUT
OUT
10
LRIGHT OUT
OUT
49
TO/FROM -FLAG OUT
OUT
11
RADAR ROLL HI
OUT
50
RADAR ROLL LO
--
12
CAN LO
I/O
51
CAN TERMINATION A
I/O
13
A/P HEADING ERROR HI
OUT
52
A/P HEADING ERROR LO
OUT
14
DISCRETE OUT 5 LO
OUT
53
SPARE
--
15
YAW RATE HI
OUT
54
BARO CORRECTION LO
IN
16
HEADING SYNCRO Y
OUT
55
PITCH DC OUT
OUT
17
DISCRETE OUT 9 LO
OUT
56
RS-232 IN 3
IN
18
FD ENABLE HI
IN
57
SPARE
--
19
FD PITCH UP
IN
58
FD PITCH DOWN
IN
20
DISCRETE OUT 6 LO
OUT
59
SPARE GROUND
--
21
OAT PROBE IN LO
IN
60
OAT PROBE IN HI
IN
22
AP INTERLOCK RELAY NC
--
61
AP INTERLOCK RELAY NO
OUT
23
GYRO VALID RELAY NO
OUT
62
OAT PROBE POWER
OUT
24
VEFLAG OUT
OUT
63
LFLAG OUT
OUT
25
LATERAL SUPER FLAG
OUT
64
PITCH AC OUT LO
OUT
26
ROLL AC OUT HI
OUT
65
26 VAC REF HI
IN
27
10 VAC REF HI
IN
66
LATERAL -FLAG OUT
OUT
28
SPARE
--
67
SPARE GROUND
--
29
TO/FROM +FLAG
OUT
68
VEDOWN OUT
OUT
30
RADAR PITCH LO
--
69
RADAR PITCH HI
OUT
31
CAN HI
I/O
70
CAN TERMINATION
I/O
32
A/P COURSE ERROR HI
OUT
71
A/P COURSE ERROR LO
OUT
33
SPARE
--
72
DISCRETE OUT 4 LO
OUT
34
ROLL DC OUT
OUT
73
YAW RATE LO
--
35
BARO CORRECTION HI
OUT
74
SPARE GROUND
--
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
62
61
60
59
58
57
56
55
54
53
52
51
1
2
3
4
5
6
7
8
9
10
11
13
14
15
16
17
12
19
20
21
25
24
23
22
18
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
50
49
48
47
46
45