Guralp Systems Limited

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Introduction Installing the CMG-DM24 Using the DM24 Using Scream! Command line interface Inside the DM24  Güralp Compressed Format Connector pinouts Digitizer specifications Revision history

Connector pinouts

SENSOR A and B ports

These are standard 26-pin “mil-spec” plugs, conforming to MIL‑DTL‑26482 (formerly MIL‑C‑26482). A typical part-number is 02E‑16‑26P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***‑16‑26S and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

Pin

Function

A

Vertical velocity +ve

P

Calibration signal

B

Vertical velocity –ve

R

Vertical calibration enable

C

N/S velocity +ve

S

N/S calibration enable

D

N/S velocity –ve

T

E/W calibration enable

E

E/W velocity +ve

U

Centre

F

E/W velocity –ve

V

not connected

G

Vertical mass position

W

Unlock

H

not connected

X

Lock

J

N/S mass position

Y

Logic signal ground

K

Busy indicator LED

Z

not connected

L

E/W mass position

a

not connected

M

not connected

b

Power 0 V

N

Signal ground

c

Power +10 to +24 V

Wiring details for the compatible socket, ***‑16‑26S, as seen from the cable end.

AUXILIARY port

This is a standard 19-pin “mil-spec” plug, conforming to MIL‑DTL‑26482 (formerly MIL‑C‑26482). A typical part-number is 02E‑14‑19P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***‑14‑19S and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

Pin

Function

A

Optional SENSOR B auxiliary / calibration channel +ve

L

SENSOR A signal ground

B

Optional SENSOR B auxiliary / calibration channel –ve

M

Optional SENSOR B

Mux channel M6

C

Optional SENSOR B signal ground

N

Digital ground

D

Optional SENSOR B Mux channel M3

P

not connected

E

Optional SENSOR B Mux channel M4

R

SENSOR A Mux channel MB

F

Optional SENSOR B Mux channel M7

S

SENSOR A Mux channel MC

G

not connected

T

SENSOR A Mux channel MF

H

Optional SENSOR B Mux channel M5

U

SENSOR A Mux channel MD

J

SENSOR A auxiliary / calibration channel +ve

V

SENSOR A Mux channel ME

K

SENSOR A auxiliary / calibration channel –ve

Wiring details for the compatible socket, ***‑14‑19S, as seen from the cable end.

GPS Port

This is a standard 10-pin “mil-spec” plug, conforming to MIL‑DTL‑26482 (formerly MIL‑C‑26482). A typical part-number is 02E‑12‑10P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***‑12‑10S and are available from Amphenol, ITT Cannon and other manufacturers.

The pin-out is the same as the serial output of a DM24 digitizer, allowing you to insert a CMG-EAM into a pre-existing installation and maintain connectivity.

Pin

Function

A

Power 0 V

B

Power +12 V

C

1pps signal

D

not connected

E

Digitizer console transmit

F

Digitizer console receive

G

RS232 ground

H

Digitizer console ground

J

RS232 transmit to GPS

K

RS232 receive from GPS

Wiring details for the compatible socket, ***‑12‑10S, as seen from the cable end.

DATA IN port

This is a standard 6-pin “mil-spec” plug, conforming to MIL‑DTL‑26482 (formerly MIL‑C‑26482). A typical part-number is 02E‑10‑06P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***‑10‑06S and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

A

RS232 transmit

B

RS232 receive

C

not connected

D

not connected

E

not connected

F

RS232 ground

Wiring details for the compatible socket, ***‑10‑06S, as seen from the cable end.

FIREWIRE port

When fitted, this is a standard 6-pin “mil-spec” plug, conforming to MIL‑DTL‑26482 (formerly MIL‑C‑26482). A typical part-number is 02E‑10‑06P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***‑10‑06S and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

A

Power 0 V

B

TPA +ve

C

TPA −ve

D

TPB −ve

E

TPB +ve

F

Power + V

Wiring details for the compatible socket, ***‑10‑06S, as seen from the cable end.

USB port

When fitted, this is a standard 6-pin “mil-spec” plug, conforming to MIL‑DTL‑26482 (formerly MIL‑C‑26482). A typical part-number is 02E‑10‑06P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***‑10‑06S and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

A

+5 V DC (USB Type A pin 1)

B

Data –ve (USB Type A pin 2)

C

Data +ve (USB Type A pin 3)

D

0 V (USB Type A pin 4)

E

Shielding

F

Switched power +10 to +35 V

Wiring details for the compatible socket, ***‑10‑06S, as seen from the cable end.

DATA OUT port

This is a standard 10-pin “mil-spec” plug, conforming to MIL‑DTL‑26482 (formerly MIL‑C‑26482). A typical part-number is 02E‑12‑10P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***‑12‑10S and are available from Amphenol, ITT Cannon and other manufacturers.

Note: The pin-out is the same as the serial output of a CMG-EAM, allowing you to insert a CMG-EAM into a pre-existing installation and maintain connectivity.

Pin

Function

A

Power 0 V

B

Power +10 to +36 V

C

RS232 CTS

D

RS232 RTS

E

External trigger output

F

External trigger output

G

RS232 ground

H

External trigger input

J

RS232 receive

K

RS232 transmit

Wiring details for the compatible socket, ***‑12‑10S, as seen from the cable end.

Previous Next

Introduction Installing the CMG-DM24 Using the DM24 Using Scream! Command line interface Inside the DM24  Güralp Compressed Format Connector pinouts Digitizer specifications Revision history