APPENDIX A IMU Technical Specifications
OEM7 SPAN Installation and Operation User Manual v14
153
MIL-C-38999 III
Connector Pin
Function
Power
4 mm plugs
J1
Female
DB9
P4 Male
DB9
Comments
1
Vin(-)
Color: black
Label: Vin (-)
Power ground
22
Vin(-)
2
ODO_
AN
7
Wheel sensor input A(-),
opto-coupler: +2 to +6 V (RS-422
compatible)
4
ODO_A
6
Wheel sensor input A(+),
opto-coupler: +2 to +6 V (RS-422
compatible)
3
Vin(+)
Color: red
Label: Vin(+)
+10 to +34 VDC
21
Vin(+)
5
Not used
6
Not used
7
DAS(+)
1
Shielded data acquisition signal (LVCMOS
to VARF)
9
DAS GN
(-)
5
Shielded ground reference for data
acquisition and control signals
8
Reserved
10
Reserved
11
OEM_
CTS/
Rx-
8
Twisted pair; serial data output signal / RS-
422(-)
12
OEM_
Rx/
Rx+
2
Twisted pair; serial data output signal / RS-
422(+)
13
Reserved
14
DGND
5
Digital ground
15
DGND
5
Digital ground
16
ODO_B
3
Wheel sensor input B(+),
opto-coupler: +2 to +6 V (RS-422
compatible)
17
ODO_
BN
1
Wheel sensor input B(-),
opto-coupler: +2 to +6 V (RS-422
compatible)
Table 48: IMU-FSAS Cable with Wheel Sensor Pinout