Teejet RX 400p Manual de usuario descargar pdf (Pagina 141)

RX 400p

9-3 98-05044

Figure B-2 illustrates the required interface between the RX 400p and a separate GPS

receiver:

2 TX RTCM

5 GND GND

MAIN

Separate GPS Receiver

Figure B-2 RTCM Data Interface

Note - For successful communications, the baud rate of the RX 400p MAIN port

must be set to match that of the separate GPS receiver. Additionally, you must

interface the RX 400p to an RS-232C serial port of the separate GPS receiver.

Refer to Section 4.15.3 for instructions related to setting the RX 400p baud rate.

9.3 External Correction Input

In this operating mode, an external correction device inputs RTCM correction data

through the RX 400p’s RTCM In port (AUX port). In order to accomplish this, the

RX 400p must be operating in the external RTCM input DGPS mode.

To establish communications between the RX 400p and an external GPS receiver,

you must:



Connect Pin-3-receive (RX) of the AUX port to transmit pin (TX) of the external

correction source



Connect Pin-5-Common Ground of the AUX port to the signal return or common ground

of the external correction source

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Teejet RX 400p Manual de usuario Pagina 141