Perle Systems S-100MM-XXXXX manual Illustration of the FEF feature, Sequence of Events

Note: This switch needs to be set to either generate or detect the FEF signal.

Illustration of the FEF feature

Media Converter A Configuration

Link Mode–Standard Mode

Far-End Fault–Enabled

Media Converter B Configuration

Link Mode–Link Pass Through Mode

Far-End Fault–Enabled

Sequence of Events

1.Media Converter A loses fiber connection (RX) on MM2/SM2.

2.Media Converter A sends FEF on transmitter (TX) MM2/SM2.

3.Media Converter B detects loss of fiber link on receiver RX – MM2/SM2.

4.Media Converter B turns off transmitter (TX) on MM1/SM1.

5.Media Converter A MM1 is not affected

Fast Fiber to Fiber Media Converter – Installation Guide 5