Front Panel Connections and LEDs
13
Unit Power Status Indications
AC LED
DC LED
Off
Off
■
No AC power supply is plugged into the AC
inlet and no redundant DC power supply is
connected.
or
■
An AC power supply fault has occurred and
no redundant DC power supply is
connected.
On
Off
■
An AC power supply is plugged into the AC
inlet and no redundant DC power supply is
connected.
or
■
An AC power supply is plugged into the AC
inlet, and a power failure has occurred on
the redundant DC power supply that is
connected.
Off
On
■
An AC power supply is not plugged into AC
inlet and a redundant DC power supply is
connected.
or
■
A main power supply fault has occurred
and a redundant DC power supply is
connected.
On
On
■
An AC power supply is plugged into AC
inlet
and
■
A redundant DC supply is connected.
Self-Test Indications
TEST LED
Off
Normal condition
On
Self-test routine is in progress
Table 3
LED Behavior (continued)
Per-port Status Indications
