Have you looked at the SPDIF parts metioned earlier? I know Toshiba makes some, and there should be others as well. However, I think Kat was right, there will almost certainly be Agilent parts that take an optical in and give TTL out. Josh -- A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams Diego Sierra wrote: > > Kathy Quinlan wrote: > > > yeap, agilent (HP's semiconductor division) make high speed optic > > transmitters and receivers :o) > > Thanks, Kat, but I need a black box, input TTL / output fibre and viceversa, > not just a transmitter or receiver. > > There is a lot of such devices for Ethernet and SONET/SDH, but seems to be none > for just TTL signals. > > Cheers, > Diego. > -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu