APPENDIX A IMU Technical Specifications
OEM7 SPAN Installation and Operation User Manual v14
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J1
MAIN
Pin #
Function
J2
Wire Bundle
Label
J3
MIC Port
Pin #
11
Digital Ground
12
Reserved
13
MODE 2
MODE 2
14
Reserved
15
Reserved
The MIC port can operate as either an RS-232 or RS-422 serial port.
l
To set the MIC port to RS-232, leave the MODE 2 pin open/unconnected.
l
To set the MIC port to RS-422, tie the MODE 2 pin low.
Custom Cable Recommendations
The tables below provide recommendations for creating custom cables to replace the IMU-IGM interface cable
(01019016).
Connector
Description
J1
DB-15HD, male
J2
DB-9, female
Table 66: Connectors
IMU
RS-232
RS-422
IMU-IGM-A1, IMU-IGM-S1
< 1.2 meters
< 50 meters
Table 67: Maximum Cable Length