Pinout Of 6-Pin Connector; Pinout Of 4-Pin Connector - Polaris Alpha User Manual

3-2 Pinout of 6-Pin Connector

The red spot indicates the top side.
No.
Power input to Alpha when USB connector power unconnected
1
Power output from Alpha if USB connector power is connected
UART input for base data, RTCM3.x or SkyTraq raw
2
measurement format
3 UART output for NMEA message
4, 5 NC
6 Ground

3-3 Pinout of 4-Pin Connector

The red spot indicates the top side
No.
1 DC power output from Alpha to external device
2 1PPS (1 pulse per second) output signal
3 External camera trigger input signal
4 Ground
1 2 3 4 5 6
Figure 3-2
Description
Table 3-2
4 3 2 1
Figure 3-3
Description
7
Voltage
I/O
Min Max
3.3V 5.5V
PWR
4.6V 5.0V
IN 3.0V 3.6V
OUT 3.0V 3.3V
PWR
Voltage
I/O
Min Max
OUT 3.1V 3.3V
OUT 3.1V 3.3V
IN 1.5V 5.0V
IN