C94-M8P - User Guide
UBX-15031066 - R06
Advance Information
Appendix
Page 27 of 29
Figure 19: C94-M8P Application Board
J9 connector
The J9 connector is the monitor interface for the Geofence status and the RTK status, which correspond to pin
15 and pin 16 on the NEO-M8P-2 module. The pin assignments of this 2-pin connector are shown in
Error!
Reference source not found.
. For more information, refer to the
NEO-M8P Data Sheet
Pin Nr.
Assignment
1
GEOFENCE_STAT, monitor Geofence status
2
RTK_STA, monitor RTK status
Table 7: Pin assignments of J9
J4 connector
The J4 connector is the interface for connecting to u-blox C027 and other application boards. It enables
communication alternatives using u-blox cellular and short-range technologies. The pin assignments of this 4-pin
connector are shown in
Error! Reference source not found.
. For more details about C027, see
Table 8: Pin assignments of J4
LED
There are four indicator LEDs mounted on the C94-M8P application board:
The Blue LED shows the time pulse output signal from the NEO-M8P-2 module. The LED starts flashing
one pulse per second during a GNSS fix. If there is no GNSS fix, the LED will light up without flashing.
The Yellow LED indicates geofence status
The Red LED flashes when the radio module is transmitting
The Green LED blinks when radio module is ready to receive
D.1.3
Dimensions
Dimensions between screw holes on the old board are 69.6 and 48.2 mm.
Pin Nr.
As
signment
1
GND
2
TXD
3
RXD
4
3.3 v
