Installation Guide

TABLE 35 Router LED states and actions (continued)
LED label Desired state Meaning Abnormal state Meaning or action
one interface module to
another.
You must replace the switch
fabric module. Refer to
Replacing a switch fabric
module on page 248.
AC power supplies
AC OK Green (steady) The power supply is
receiving power from the
AC power source.
O The power supply is not
receiving power from an AC
power source You can do
the following:
• Make sure that
the power cord is
connected
securely to the
wall outlet and the
power supply.
• Make sure that
the wall outlet is
rated for
115/120V and
20A. If it is not,
obtain a cable
that is rated for
the outlet.
• Make sure that
the wall outlet has
power.
DC OK Green (steady) The power supply is
providing AC power to the
router.
O The power supply is not
supplying power to the
router. If the AC LED is
green, there is a problem
with the power supply and it
must be replaced.
ALM O The power supply is in
normal operating condition.
Amber The power supply is
malfunctioning.
DC power supplies
DC IN Green (steady) The power supply is
receiving power from the
DC power source.
O The power supply is not
receiving power from a DC
power source You can do
the following:
• Make sure that
the power supply
cables are
connected
securely to the
power source and
the power supply.
• Make sure the
wall outlet is rated
for high line,
200-240 VAC
and 20A. If it is
not obtain a cable
Verifying proper operation
Extreme Routing MLX Series Hardware Installation Guide
176 9035627-01