Geophone Output
Pin Signal
A Case
B Vertical (+)
G Vertical (-)
C North-South (+)
H North-South (-)
D East-West (+)
J East-West (-)
E Auto Zero
S Return
N Calibration V
P Calibration W
Q Calibration U
M Calibration Common
W 12V DC (+)
X Ground
Mating Connector: [MIL-C-5015] 24-28P (or CA3106F24-28P)