Connector J2: Mates with Umbilical Cable Connector W4P2
Pin Number
Signal Name
AWG
Reference
Signal Source
Signal
Signal
Signal Description
Description
Designator
Designation
Circuit No.
20
HDC Control Box
Suspension Relief
V19
EE
Suspension
18 - 32VDC per
1065
Valve Port 17R Shutoff
Relief Valve Port
MIL-STD-1275
Valve Power
17R Shutoff
Valve
20
HDC Control Box
V19
FF
Suspension Relief
Suspension
1066
18 - 32VDC per
Valve Port 17R Shutoff
Relief Valve Port
MIL-STD-1275
Valve Power Return
17R Shutoff
Power Return
Valve
20
Ejector Cylinder
GG
HDC Control Box
Ejector Cylinder
V20
1067
18 - 32VDC per
Extend to Main
Extend to Main
MIL-STD-1275
Accumulator Shutoff
Accumulator
Valve Power
Shutoff Valve
20
Ejector Cylinder
HDC Control Box
HH
V20
Ejector Cylinder
1068
18 - 32VDC per
Extend to Main
Extend to Main
MIL-STD-1275
Accumulator Shutoff
Accumulator
Power Return
Valve Power Return
Shutoff Valve
Connector J3: Mates with Umbilical Cable Connector W4P3
Pin Number
Reference
AWG
Signal Name Description
Signal
Signal
Signal
Signal Description
Designator
Designation
Source
Circuit No.
20
Spare Transducer Signal
A
Pressure
HDC Control
0.5 VDC - 0 PSIG
Output 1
Transducer
Box
9.5 VDC - 4000 PSIG
20
Spare Transducer Signal
B
Pressure
HDC Control
HDC Control Box
Output Return 1
Transducer
Signal Output Return
Box
20
Spare Transducer Signal
C
Pressure
0.5 VDC - 0 PSIG
HDC Control
Output 2
Transducer
9.5 VDC - 4000 PSIG
Box
Spare Transducer Signal
20
D
HDC Control
Pressure
HDC Control Box
Output Return 2
Box
Transducer
Signal Output Return
20
Spare Transducer Signal
E
Pressure
HDC Control
0.5 VDC - 0 PSIG
Output 3
Transducer
Box
9.5 VDC - 4000 PSIG
M0061HDC
