CSI Wireless GBX, Reference Manual

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GBX Reference Manual 79
Figure B-3 illustrates the required connectivity between the GBX and an
external GPS receiver:
2 TX 2 TX RTCM RTCM
5 GND 5 GND G N D G N D
RX RX
GBX Rear Panel External Device
Figure B-3 Bx Mode Interface
Bx-E Operating Mode
In this operating mode, the GBX’s internal beacon receiver outputs
correction data, with the display of position information provided by an
external GPS receiver.
To establish communications between the GBX and an external GPS
receiver when in Bx-E mode, you must:
n
Connect Pin-2-TXA of the GBX to the receive pin of the GPS receiver
n
Connect Pin-3-RXA of the GBX to TX of the monitor device
n
Connect Pin-5-Common Ground of the GBX to the signal return or common
ground of the monitor.
Figure B-4 illustrates the required connectivity between the GBX and an
external GPS receiver: