A54-3144-XR • Rev B
21
APCON, Inc.
ACI-3144-XR Chassis User Manual
Chapter 3. Specifications and compatibility
DC Power Cords
Each ACI-3144-XR chassis ships with one DC power cable (APCON P/N ACI-0080-600)
with a pluggable terminal block for each DC power supply ordered.
Following are the polarity specifications for the DC power supply. The orientation of the
slots assumes that you are looking directly at the face of the power supply.
These slots connect to the pins in the DC power supply:
Pin
Slot in
Power Supply
Wire Color
Signal
Description
A
1
Black
RTN
Input power ground (
return
)
B
2
Red
—48V
Input voltage (
positive
)
C
3
Green
GND
Chassis
Ground
(PE)
