Connection for Ethernet IP port 
Cable types per IEEE 802.3 
Shielded twisted pair min. STP CAT 5/ STP CAT 5e 
Half Duplex/Full Duplex (IEEE 802.33x-Pause) 
Wrong or no configuration on module 
Fixed busclock is not possible 
Module got IP, but no connection could be established 
Each Port has two two-colour LEDs to indidcate the I/O-States. 
State of the Input or Output Pin is 0 
State of the Input or Output Pin is 1 
Short-circuit on dedicated Pin (only if 
this pin is used as an output) 
Short-circuit  between  Pin 1 and 3 or 
Short-circuit  on both output pins