10 DG14 and DG16 Board & Sensor Reference Manual
To save user-entered parameters between power cycles, connect the external battery to the
corresponding input pins on the J301 connector and set the SAV parameter to Y.
Figure 1.3. Pin Configuration of the J301Connector
CAUTION
• If pin 15 (BATT_IN) is not used, it should be connected to ground (GND)
• If pin 17 (MAN_RES*) is not used, it should be left open
• If pin 17 (MAN_RES*) is used, it can be pulled to ground (GND) using a
switch, or driven to ground with an open-collector gate.
Table 1.5. J301 Pin Assignments
Pin Code Description
01 GND Ground for serial Port A
02 CTSA RS-232 Port A clear to send
03 TXDA RS-232 Port A transmit data
04 RTSA RS-232 Port A request to send
05 RXDA RS-232 Port A receive data
06 TXDC RS-232 Port C transmit data
07 GND Ground for serial Port B
GND
TXDA
RXDA
GND
TXDB
RXDB
+5 V
BATT_IN
MAN_RES
GND
GPS_LED_RED
COR_LED_GRN
PHOTO_IN
CLKSCI
EXT_LNA_PWR
CTSA
RTSA
TXDC
CTSB
RTSB
TXDSCI
+5 V
COR_LED_RED
1PPS_OUT
GND
GPS_LED_GRN
GND
GND
RXDSCI
RXDC
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