Cabletron Systems MCC-FRIO Quick Reference - page 4
of
4
QR-4
RI And RO - Ports
The
RI
and
RO
LEDs indicate the status of the RI or RO port, as
described in the table below.
LED Activity
Meaning
GREEN
Rx and Tx connected fiber key received
(port open and operational).
Blinking GREEN
The connection from the upstream device
to the Receive connection is complete but
the port is wrapped.
OFF
Rx disconnected (signal loss).
Blinking RED
Speed-fault condition caused the port to
wrap.