Guralp Systems Limited
MAN-BHO-0005 - CMG-5TB Operator's guide.

Chapter 7. Connector pin-outs

This table combines the pin-outs for all connectors on the 5TB borehole sensor and surface Control Unit:

Column (a): The single connector on the 5TB sensor, a 32-way military specification waterproof bayonet plug (02E-19-32P).

Column (b): The SENSOR connector on the breakout box, a 26-way military specification bayonet plug (02E-16-26P).

Column (c): The RECORDER and HCU connectors on the breakout box, each 26-way military specification bayonet plugs (02E-16-26P).

Column (d): The POWER/HOLELOCK connector on the breakout box, a 10-way military specification bayonet plug (02E-12-10P).

Column (e): The COMPASS connector on the breakout box, a 6-way military specification bayonet plug (02E-10-06P).

(a)

(b)

(c)

(d)

(e)

Function

A

A

A

 

 

Low gain acceleration +ve, vertical channel

B

B

B

 

 

Low gain acceleration –ve, vertical channel

C

C

C

 

 

Low gain acceleration +ve, N/S channel

D

D

D

 

 

Low gain acceleration –ve, N/S channel

E

E

E

 

 

Low gain acceleration +ve, E/W channel

F

F

F

 

 

Low gain acceleration –ve, E/W channel

H

H

H

 

 

High gain acceleration –ve, E/W channel

J

J

 

K

 

Hole lock motor return

K

K

K

 

 

High gain acceleration +ve, E/W channel

L

L

 

F

 

Hole lock motor

N

N

N

 

 

Sensor signal ground

P

P

P

 

 

Calibration signal

R

R

R

 

 

Calibration enable (all channels)

S

S

S

 

 

High gain acceleration –ve, vertical channel

T

T

T

 

 

High gain acceleration +ve, vertical channel

V

V

V

 

 

N/S motor (for offset zeroing)

W

W

W

 

 

E/W motor (for offset zeroing)

X

X

X

 

 

Vertical motor (for offset zeroing)

Y

Y

Y

 

 

Motor return (all channels)

Z

Z

Z

 

 

High gain acceleration –ve, N/S channel

a

a

a

 

 

High gain acceleration +ve, N/S channel

b

b

b

A

 

Sensor supply 0 V

c

c

c

B

 

Sensor supply +12 V

d

 

 

E

Compass supply 0 V

e

 

 

D

Compass supply +12 V

f

 

 

A

X compass

g

 

 

B

Y compass

h

 

 

C

Z compass

j

 

 

F

Compass signal ground