APPENDIX A IMU Technical Specifications
OEM7 SPAN Installation and Operation User Manual v14
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A.14.4 OEM-IMU-HG4930 Interface Connector
Pin
Pin Name
Description
1
GND
Ground
2
+5V
+5 VDC power supply input
3
TMI
Timing input
4
No connect
No connect
5
No connect
No connect
6
Reserved
Reserved
7
No connect
No connect
8
No connect
No connect
9
SER_DATA_OUT_H
Serial Data High Output (RS-485)
10
SER_DATA_OUT_L
Serial Data Low Output (RS-485)
11
TTL_TX
Transmit data (RS-232)
Serial communication port
12
TTL_RX
Receive data (RS-232)
Serial communication port
13
No connect
No connect
14
No connect
No connect
Table 119: OEM-IMU-HG4930 Connector