Receiver pinout information

1

GND

2

RTK LED

3

Power Switch ***

Drive high with a 3.3 V to gracefully shut down the unit, leave floating, or ground to keep the unit on. This line may maintain a 3.3 V signal even when POWER IN is not connected.

Integrators should not drive TTL signals when the unit is not powered.

4

PPS Out

5

Power In

3.3 V DC

6

Power In

3.3 V DC

7

COM3 RX or CAN RX or EVENT 1

3.3 V level, multiplexed

8

EVENT 0

9

Power LED

10

Satellite LED

11

COM2 CTS

3.3 V level

12

RESET IN ***

Low = reset, NC = normal function, 100 k pull-up

13

COM2 RTS

3.3 V level

14

COM2 RX

3.3 V level

15

COM1 CTS RS232

RS-232 level

16

COM2 TX

3.3 V level

17

COM1 RTS RS232

RS-232 level

18

COM1 RX RS232

RS-232 level

19

COM3 TX or CAN TX

3.3 V level, multiplexed

20

COM1 TX RS232

RS-232 level

21

USB DM

22

USB DP

23

GND

24

GND

25

RESERVED

USB ID

26

RESERVED

USB VBUS

27

ETHERNET RD-

28

ETHERNET RD+

29

NC

30

ETHERNET TD+

31

ETHERNET TD-

32

NC

33

VOUT

3.3 V DC

34

NC

35

RESERVED

I2C SCL

36

RESERVED

I2C SDA

37

DMI1

38

DMI2

39

GND

40

GND

41

10 MHz in

42

Enable external 10 MHZ

High = external enabled, low or NC = internal TCXO enabled. 10 k pull-down

43

IMU LED

44

GND

1

GND

2

GND

3

EXT_IMU_Data+

RS-422 input

4

EXT_IMU_CLK+

RS-422 input

5

EXT_IMU_Data-

RS-422 input

6

EXT_IMU_CLK+

RS-422 input

7

EXT_IMU_TOV+

RS-422 input

8

GND

9

EXT_IMU_TOV-

RS-422 input

10

EXT_IMU_EN

Enable signal -->
3.3 V = Enable EXT_IMU
0 V = EXT_IMU is disabled

1

3.3V

Indicates when board is present. Can supply up to 200 mA of power.

NOT protected vs short circuits/over current

2

GND

3

ETH_RX-

3.3 V ethernet

4

SPI_CLK

3.3 V

5

ETH_RX+

3.3 V ethernet

6

SPI_CS0

3.3 V

7

ETH_TX-

3.3 V ethernet

8

SPI_PICO

3.3 V

9

ETH_TX+

3.3 V ethernet

10

SPI_POCI

3.3 V

11

GND

12

SPI_CS1

3.3 V

13

SPI_INTn

3.3 V, active low

14

GND