
14 • Power Supply Unit
3.1.5 Connector Pin Assignments
Pin #
(1)
Staging
(2)
Mnemonic Description
Column A
A13 EL SP Spare
A14 EL INH# Inhibit Signal
A15 EL ISH Current Share Signal
A16 EL 5S- 5V Sense −
A17 EL 5S+ 5V Sense +
A18 EL 3.3V +3.3 VDC
A19 EL +12V +12 VDC
A20 EL −12V −12 VDC
Column B
B2 SL ACL AC Line
B5 SL ACN AC Neutral
B8 - - No Pin Loaded
B11 EL CG
(3)
Chassis Ground
B13-18 SL 3.3V +3.3 VDC
B19 SL +12V +12 VDC
B20 SL −12V −12 VDC
B22 EL 5V +5 VDC
B25 EL GND Ground
B28 EL +DC +DC Input
B31 EL −DC −DC Input
Column C
C13 SL EN# Enable Signal
C14 SL DEG# Derate Signal
C15 SL FAL# Supply Fail Signal
C16-18 SL 3.3V +3.3 VDC
C19 SL +12V +12 VDC
C20 SL −12V −12 VDC
Note: 1. Mating pin numbers on power supply connector.
2. EL is an Extra Length pin. SL is a Standard Length pin.
3. CG must be connected to earth ground.
4. Mating Connector (top view) Pin numbers illustrated are the
pin view of the female mating connector. A mating connector
is ERNI part #914374; AMP #148370-1 or #97-7200-016.
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