Guralp Systems CMG-3TB - Manual (Page 74)

CMG-3TB
6 Connector pinouts
This table combines the pinouts for all connectors on the borehole
sensor and breakout box. Control signals are normally active low, but
active high versions can be supplied on request.
Column (a): The single connector on a 3TB sensor, a 32-way mil-spec
waterproof plug (02E-19-32P).
Column (b): The SENSOR connector on a breakout box, a 26-way mil-
spec plug (02E-16-26P)
Column (c): The RECORDER and CONTROL connectors on the
breakout box, both 26-way mil-spec plugs (02E-16-26P).
Column (d): The POWER connector on the breakout box, a 10-way mil-
spec socket (02E-12-10S).
(a) (b) (c) (d) Function
A H F Hole lock motor
B b K Hole lock motor return
C Z Z Inclinometer power
D c c B + 12 to 24 V DC power
E b b A 0 V power
F G G Mass position, vertical channel
G J J Mass position, N/S channel
H L L Mass position, E/W channel
J A A Velocity +ve, vertical channel
K B B Velocity –ve, vertical channel
L C C Velocity +ve, N/S channel
M D D Velocity –ve, N/S channel
N E E Velocity +ve, E/W channel
P F F Velocity –ve, E/W channel
R P P Calibration signal (all channels)
S R R Calibration enable (all channels)
T T T Y tilt
U S S X tilt
W K K BUSY LED
74 Issue C