APCON, Inc.
36
A54-3144-XR • Rev B
Chapter 4. Installation and set up
ACI-3144-XR Chassis User Manual
♦
To verify the operating status of each AC power supply.
Check the two LED indicators:
• The upper LED is
green
and indicates whether AC power is on or off.
• The lower LED can display two colors (
green
and
amber
); the color depends on the
presence of power or fault situations.
The following table lists different LED states for the AC power supply:
Connect DC Power
One DC pluggable power cable is shipped with each DC power supply.
Any installation of cables to a DC power supply should conform to your organization’s
established instructions, operational requirements, or best practices—all of which
supersede instructions in this document.
LED
State
LED signal
Upper LED
AC line within range
Solid
green
AC line UV condition
OFF
Lower LED
Normal operation
Solid
green
Output disabled (PSON_L High)
Blinking
amber
(1:1)
Hot-Standby Mode
Blinking
amber
/
green
(1:2)
V1 or V
SB
out of regulation
Solid
amber
Over temperature shutdown
Output over voltage shutdown (V1 or V
SB
)
Output over current shutdown (V1 or V
SB
)
Fan error (>15%)
Over temperature warning
Blinking
amber
/
green
(2:1)
Minor fan regulation error
(>5%, <15%)
Blinking
amber
/
green
(1:1)
