Cabletron Systems FOT-F3 - Manual (Page 14)

CHAPTER 1: INTRODUCTION
1-6 FOT-F3 USER’S MANUAL
PWR (Power)
When on, this green LED indicates that the FOT-F3 is receiving
power.
SQE (Signal Quality Error) Test Function
When on, this yellow LED indicates that SQE is enabled.
XMT (Transmit)
This green LED flashes to indicate that the FOT-F3 is
transmitting frames onto the network.
RCV (Receive)
This yellow LED flashes to indicate that the FOT-F3 is receiving
frames from the network.
CLN (Collision)
This red LED flashes to indicate that the FOT-F3 is detecting a
collision on the network.
LNK (Link OK)
When on, this green LED indicates that a link has been
established between the FOT-F3 and the device at the other end
of the fiber optic link segment.