Astronics OmniBusII - Table 7.9-D-Sub Connector Pinout for Cable Assemblies 16037 and 16039

CONNECTOR PINOUTS
The 25-pin female D-subminiature connector provides IRIG and discrete signals,
as shown in Table 7.9. Consequently, the recommended cable assemblies are
16037 for dual-channel and 16039 for single-channel MIL-STD-1553 OmniBus
modules.
Pair
Name
From
LFH Pin
To
DB25S Pin
1
CDIO0
11
1
1
GND
10
14
2
CDIO1
21
2
2
GND
20
15
3
CDIO2
51
3
3
GND
50
16
4
CDIO3
41
4
4
GND
40
17
5
CDIO7
43
6
5
GND
42
19
6
CDIO4
13
7
6
GND
12
20
7
CDIO5
19
8
7
GND
18
21
8
CDIO6
49
9
8
GND
48
22
9
IRIG
17
10
9
GND
16
23
10
RSVD
47
11
10
GND
46
24
11
NC/5V
45
12
11
CGND
44
13
Braids connected shell to shell
Table 7.9—D-sub connector pinout for cable assemblies 16037 and 16039
7-10 OmniBus II PCIe/PXIe User’s Manual