Geophone Output

Pin Signal
A     Vertical (+)
B     Vertical (-)
C     North-South (+)
D     North-South (-)
E     East-West (+)
F     East-West (-)
G     Mass Position V
R     Calibration Enable V
J     Mass Position N
S     Calibration Enable N
L     Mass Position E
T     Calibration Enable E
N     Signal Ground
Y     Logic Signal Ground
P     Calibration Signal
U     Center
W     Unlock
b     Analog Power Ground
Mating Connector: [MIL-C-26482] 16-26S (or KPTO6B16-26S