ashtech DG16 Reference Manual page 30

MAN_RES
GPS_LED_RED
COR_LED_GRN
EXT_LNA_PWR
PHOTO_IN
Figure 1.3. Pin Configuration of the J301Connector
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.
• 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.
Pin Code
01 GND
02 CTSA
03 TXDA
04 RTSA
05 RXDA
06 TXDC
07 GND
10
GND
TXDA
RXDA
GND
TXDB
RXDB
+5 V
BATT_IN
GND
CLKSCI
CAUTION
Table 1.5. J301 Pin Assignments
Ground for serial Port A
RS-232 Port A clear to send
RS-232 Port A transmit data
RS-232 Port A request to send
RS-232 Port A receive data
RS-232 Port C transmit data
Ground for serial Port B
DG14 and DG16 Board & Sensor Reference Manual
CTSA
RTSA
TXDC
CTSB
RTSB
TXDSCI
+5 V
COR_LED_RED
1PPS_OUT
GND
GPS_LED_GRN
GND
GND
RXDSCI
RXDC
Description