IMC Networks PD-Switch - Manual (Page 7)

4
PD-Switch-TX/4+SFP
On units with an SFP transceiver at Port 5, the FDX LED of port 4 has been re-
defined as the “FX-LNK/ACT” LED for the fiber port.
Port LED Name Color Function
OFF FEF or no link signal detected on SFP port
AMBER Glows amber when the SFP port link is
established
SFP LNK/ACT
Flash AMBER Activity is detected on the port