Check that your cable works
and that the port on your MAU works
Check the jumper settings
are correct inside the bridge, consult page 7 for details.
Unplug any devices from the Ethernet side, leaving the Token Ring side connected to the MAU and
power cycle the bridge, When the error LED goes out, connect the Ethernet device.
Check the jumper settings are correct inside the bridge, consult page 7 for details.
Note: If you power up the bridge(by connecting the power connector) without the Token Ring cable
plugged into a working MAU the bridge may only try for a few seconds to insert into the Ring and then the red error
light will remain on even after you have connected the Token Ring cable.
To recover unplug any devices from the Ethernet side, leaving the Token Ring side connected to the MAU and
power cycle the bridge, When the error LED goes out, connect the Ethernet device.
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