
D1U3CS-D-850-12-HxxC Series
81mm 1U Front End DC-DC Power Supply Converter
OUTPUT CONNECTOR AND SIGNAL SPECIFICATION
DC and Signal Connector: FCI 51721-10002406AA
D1
C1
D2
C2
D3
C3
D4
C4
D5
C5
D6
C6
PB1
PB2
PB3
PB4
PB5
PB6
B1
A1
B2
A2
B3
A3
B4
A4
B5
A5
B6
A6
Pin Assignment
PB1, PB2, PB3
PB4, PB5, PB6
A1
A2
A3
A4
A5, B5, C5, D5
A6, B6, C6, DS
B1
B2
B3
Signal Name
+12V GND
+12V OUT
PS_ON
+12VRS_RETURN
TEMP_OK
PS_SEATED
+VSB
+VSB GND
DC OK
+12VRS
+12V_ISHARE
Description
Main output voltage, return
Main output voltage
Power supply “ON”
Main output remote sense, return
Temperature “OK” signal output
Power supply is plugged into the system
Standby output voltage
Standby output voltage, return
Input DC voltage “OK” signal output
Main output remote sense
Main output active load sharing bus
Amps per pin
30
30
N/A
N/A
N/A
N/A
2.0
2.0
N/A
N/A
N/A
Floating pin will turn off the power supply (shorter pin, last-
B4
PS_INHIBIT/PS_KILL
make and ?rst-break contact for hot plugging) . This signal
N/A
overrides PS_ON in disabling the main output.
C1
C2
C3
C4
D1
D2
D3
D4
SDA
SCL
PWR_GD
FAN_FAIL
A0
A1
S_INT
NO CONNECTION
I 2 C Data line
I 2 C Clock line
Power good
Fan failure
Address line least signi?cant bit
Address line most signi?cant bit
System interrupt
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
MATING CONNECTORS
Mating Connector
Straight
Press Fit
Right Angle
FCI
TBD
51761-10002406AA
www.murata-ps.com/support
D1U3CS-D-850-12-HxxC.A03 Page 3 of 5