On of the non-Casper BWRC groups has a box of the fiber optic cables Dave mentions. We got the OK to borrow a couple to exercise them for a few days. This is high priority on the to-do list.
Note as we as allowing longer distances the fiber optic cables may be easier to route than the copper versions. Shorter radius of curvature and smaller diameter. Matt On Fri, 2 May 2008, David MacMahon wrote: > For long XAUI links, we have been planning on (i.e. have not actually > tried yet) using fiber optic cables with CX4 connectors that contain > embedded fiber optic transceivers. > > Dave > > On May 2, 2008, at 6:19 , Jonathan Hargreaves wrote: > > Has anyone tried to send 10Gbe data to an iBOB over long (10-15m) > > CX4 cables? > > We find that the iBOB can transmit OK but not receive - its carrier > > detect LED > > does not light up. We have no problems with 3m cables. > > > > Not sure if changing pre-emphasis or signal level would help as the > > problem > > appears to be on the receive side. Has anyone else tried this? > > > > Jonathan Hargreaves > > > > Jodrell Bank Observatory > > > > -- > > Open WebMail Project (http://openwebmail.org) > > > > > > >
