ACT AC4451 Manual De Usuario página 16

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3.3 Indicator LED explanation when in Adaptive Mode
4.0 LFP Mode
LFP (Link Fault Pass-through) test mode is an important feature in fiber optic networks
that allows for efficient troubleshooting and maintenance. When enabled, the LFP test
mode helps in quickly identifying the location of faults or issues within the fiber link.
In LFP mode the fiber optic equipment continuously monitors the link for any
disruptions or abnormalities. If a fault occurs, such as a break or loss of signal, the
LFP test mode automatically passes the fault information to the appropriate network
device.
To activate the LFP mode on the AC4451 dipswitch 1 need to be set to ON.
4.1 Indicator LED explanation when in LFP mode