To: Matt Dexter mdex...@berkeley.edu
Cc: David MacMahon dav...@astro.berkeley.edu,
casper@lists.berkeley.edu
Subject: Re: [casper] iBOB to iBOB over 15m CX4
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
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
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