DIP1 : Enable/Disable auto-negotiation
DIP2 : Copper port (RJ-45) duplex mode; full-duplex or half-duplex
DIP3 : Copper port (RJ-45) data bit rate; 10 Mbps or 100 Mbps
DIP4 : Fiber port duplex mode; full-duplex or half-duplex
DIP5 : Enable/Disable Link Fault Signaling (LFS)
DIP6 : Enable/Disable Local Loop Back (LLBK)
DIP7 : Enable/Disable Remote Loop Back (RLBK)