Table T3.

Table T3. Pin assignments of Ocean Design underwater mateable stab plate connectors.

	Subcon on sensor	Kintec on sensor	UMC on MEG	DB in MEG	UMC on SAM	DB in SAM	Function
Guralp CMG-1 seismometer and MEG	1	—	1	8	—	—	Power +36V
	2	—	7	9	—	—	Power GND
	3	—	5	9	—	—	Power GND
	4	—	3	5	—	—	Sig-l GND
	5	—	8	3	—	—	Rx(+)
	6	—	6	4	—	—	Rx(-)
	7	—	4	2	—	—	Tx(+)
	8	—	2	1	—	—	Tx(-)
PMD seismometer and MEG	3	—	5	1	—	—	x(+)
	4	—	3	6	—	—	x(-)
	5	—	8	2	—	—	y(+)
	6	—	6	7	—	—	y(-)
	7	—	4	3	—	—	z(+)
	8	—	2	8	—	—	z(-)
	1	—	1	5	—	—	Power (+12V)
	2	—	7	9	—	—	Power GND
Strainmeter (Dil) and MEG (for NEREID-2)	—	15	9	8	—	—	Valve #2(-)
	—	20	12	10	—	—	DT2 out (-)
	—	19	11	9	—	—	DT1 out (-)
	—	13	10	1	—	—	DT1 out (+)
	—	2	8	14	—	—	Valve #1(+)
	—	3	7	7	—	—	Valve #1(-)
	—	4	6	15	—	—	Valve #2 (+)
	—	6	5	5	—	—	DT2 in (+)
	—	10	4	12	—	—	DT2 in (-)
	—	11	3	6	—	—	DT1 in (+)
	—	12	2	13	—	—	DT1 in (-)
	—	14	1	2	—	—	DT2 out (+)
Strainmeter (three-component) and MEG (for NEREID-1)	—	15	9	8	—	—	Valve #1(+)
	—	20	12	10	—	—	Valve #1,2 (-)
	—	19	11	9	—	—	Valve #2 (-)
	—	13	10	1	—	—	DT out (com)
	—	2	8	14	—	—	DT in (+)
	—	3	7	7	—	—	DT in (-)
	—	4	6	15	—	—	DT1a (+)
	—	6	5	5	—	—	DT1b (+)
	—	10	4	12	—	—	DT1c (+)
	—	11	3	6	—	—	DT2a (+)
	—	12	2	13	—	—	DT2b (-)
	—	14	1	2	—	—	DT2c (+)
Tiltmeter and MEG	1	—	9	1	—	—	x out (+)
	2	—	12	9	—	—	x out (-)
	3	—	11	2	—	—	y out (+)
	4	—	10	10	—	—	y out (-)
	5	—	8	4	—	—	Gain 2
	6	—	7	12	—	—	Gain 3
	7	—	6	5	—	—	x motor control
	8	—	5	6	—	—	y motor control
	9	—	4	13	—	—	Motor return
	10	—	3	8	—	—	Power (-12V)
	11	—	2	7	—	—	Power (+12V)
	12	—	1	15	—	—	Power GND
MEG and SAM	—	—	1	3 and 4*	1	3, 4, 5, and 6	Battery GND (0V)
	—	—	2	1 and 2*	2	1 and 2	Battery V+ (36V)
	—	—	3	6†	3	15	GPS 1pps
	—	—	4	2†	4	14	GPS Rx
	—	—	5	7 and 8*	5	7 and 8	SAM power (+18V)
	—	—	6	11*	6	11	Tx data
	—	—	7	12*	7	12	Rx data
	—	—	8	13*	8	13	Sig-l GND