Guralp Systems Limited
MAN-D24-0004 - Güralp DM24 MkⅢ Operator's Guide

Chapter 9. Connector pin-outs

9.1 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.

9.2 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

Auxiliary / SENSOR A calibration channel +ve

V

SENSOR A Mux channel ME

K

Auxiliary / SENSOR A calibration channel –ve

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

9.3 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.

Pin

Function

A

Power 0 V

B

Power +12 V

C

1pps signal

D

not connected

E

Digitiser console transmit

F

Digitiser console receive

G

RS232 ground

H

Digitiser 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.

9.4 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.

9.5 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.

9.6 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.

9.7 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 Güralp EAM, allowing you to insert a 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.