Chapter 9. Connector pin-outs

9.1 SENSOR A and B ports

These are standard 26-pin military-specification 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 military-specification 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 military-specification 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 military-specification 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 military-specification 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

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

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.