OBH - MEG | ||||
---|---|---|---|---|
Function
(OBH) |
MSSK-8
#20-CCP |
OCC
cable |
UMC
pin/A, B |
MEG Dsub9
(for OBH) |
Power + Vin | 1 | Red/in | 1/A | 8 (Red) |
0Vin | 2 | Black/in | 2/A | 9 (Green) |
0Vin | 3 | Blue/out | 2/B | 9 (Green) |
Signal GND | 4 | Green/out | 1/B | 5 (Black) |
Rx (+) | 5 | Red/out | 3/B | 3 (Orange) |
Rx (-) | 6 | Yellow/out | 4/B | 4 (White) |
Tx (+) | 7 | Green/in | 3/A | 2 (Blue) |
Tx (-) | 8 | Blue/in | 4/A | 1 (Pink) |
(to MEG)
(MEG/SAM)
1
1
1
Power
in (+24 V)
1
1,
2 (Red)
7,
8 (Red)
2
1
3
2
2
GND
2
3,
4 (Green)
5,
6 (Green)
4
2
3
3
RS232C-Rx
(SAM—>MEG)
3
12
(Orange)
11
(Blue)
4
4
RS232C-Tx
(MEG—>SAM)
4
11
(Blue)
12
(Orange)
(SAM)
(pigtail)
NC
1
GND
5
(Black)
2
RS232C-Tx
(SAM—>ROV)
3
(Orange)
3
RS232C-Rx
(ROV—>SAM)
2
(Blue)
4
Notes: OBH = ocean borehole seismometer, MEG = multiple-access expandable gateway. OCC = Ocean Cable Cooperation. UMC = underwater mateable connector. Vin = power supply input, GND = ground, Rx = receive, Tx = transmit. LBU = lithium battery unit, SAM = storage acquisition module. ROV = remotely operated vehicle. NC = no connection.