Allied Telesis AT-MCF12VF, SM - Manual (Page 31)

AT-MCF6xx and AT-MCF12xx Installation Guide
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Table 6 Port LEDs
Troubleshooting
This section contains guidelines for troubleshooting the media converter in
the event a problem occurs.
If the Main LED is OFF, check the following:
❑ Check to be sure that the power cord for the main power supply is
securely connected to the power supply and the power outlet.
❑ Check that the power outlet has power by connecting another device
to it.
❑ Check that the input power source is within the acceptable range. For
AC models, the range is between 100 and 240 VAC.
If an optional redundant power supply is installed but the BCKP LED is OFF,
check the following:
❑ Check to be sure that the power cord for the redundant power supply
is securely connected to the unit and the power outlet.
❑ Check that the power outlet has power by connecting another device
to it.
❑ Press the Reset button on the front of the media converter to reset the
unit.
❑ Check that the input power source is within the acceptable range. For
AC models, the range is between 100 and 240 VAC.
LED Color Indicates
T-LNK Steady Green A link exists between the twisted pair port and the node to
which the port is connected.
F-LNK Steady Green A link exists between the fiber optic port and the node to which
it is connected.
ACTIVE Flashing Amber The fiber optic port is receiving data.