Seismic Source BOOM BOX 3 - Page 48

User’s Manual
48
5 GPS A TX – RS-232 serial input, 19200 BAUD. GPS data from external GPS
Receiver to Boom Box 3. GGA, RMC strings required.
6 GPS Control TX – Not used.
7 GPS Control RX – Not used.
24 GPS_PPS – Input. PPS pulse (Active High) from external GPS receiver.
BOOM BOX 3 10-PIN CONNECTOR
PIN FUNCTION
A GPS_PPS-Input. PPS pulse (Active High) from external GPS receiver.
B BAT + - - Battery positive – DC power input on Boom Box 3 (10-37 volts DC).
C MIC_ACT – Output. Microphone Active from Boom Box 3 to external radio
microphone input.
D UPHOLE - - Input. Uphole Geophone connection.
E GPS A TX – RS-232 serial input, 19200 BAUD. GPS data from external GPS
Receiver to Boom Box 3.
F UPHOLE + - Input. Uphole Geophone connection. –1.566 volts to +1.526
volts.
G SPKR_ACT – Input. Speaker Active to Boom Box 3 from external radio
speaker output.
H BAT - - Battery Ground.
J PTT_ACT – Output. Push to Talk Active from Boom Box 3 to external radio.
K SPKR_RET – Speaker return. Speaker return from external radio speaker
return.