CSI Wireless Seres, Reference Manual

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Seres Reference Manual
104
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Connect Pin-2-transmit (TX) of the serial port to the receive pin (RX) of the
separate GPS receiver or logging device.
•
Connect Pin-5-Common Ground of the seial port to the signal return or
common ground of the separate GPS receiver.
Figure B-2 illustrates the required interface between the Seres and device
that receives position information:
2 TX
RTCM
5 GND
GND
RX
SERES Port A / B
External Device
Figure B-2 RTCM Data Output Interface
Note - For successful communications, the baud rate of the Seres
port must be set to match that of the separate GPS receiver.
Additionally, you must interface the Seres to an RS-232C serial
port of the separate GPS receiver. Refer to Section 5.3.7 for
instructions related to setting the Seres baud rate.
External Correction Input
In this operating mode, an external correction device inputs RTCM
correction data through either Seres serial port. In order to accomplish
this, the Seres must be commanded to use external corrections using the
$JDIFF command.
To configure external correction input on Port B you must: