Allied Telesis AT-PWR5 - Handbuch (Seite 19)

AT-PWR5 Installation Guide
9
Troubleshooting
This section contains guidelines for troubleshooting the media converter
power 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.
" Press the Reset button on the front of the unit for about 1 second.
" Check that the AC input power source is between 100 and 240VAC.
If an optional AT-PWR5 redundant power supply is installed but the BCKP
LED is OFF, check the following:
" Check to be sure that the power cord for the AT-PWR5 unit is securely
connected to the media converter 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 unit for about 1 second.
" Check that the AC input power source is between 100 and 240VAC.
For other media converter troubleshooting information, refer to the
appropriate installation guides listed on page vii.
Resetting the Media Converter
To reset the media converter, press the Reset button on the front of the unit
for about 1 second. The LEDs on the converter will flash once, after which the
unit is ready for normal network operations.