Thankyou all for the answers.
now is there a way of having a DT30 60 feet away from the IPO403?
could i use something like 2*10/100BaseT-100BaseFX bridging media converters? (IPO401, 1/2m cat5, media convertor, fibre, media convertor, 1/2m cat5, DT30)
i have a good idea the answer will be no...