From: W.J. Llope (llope_at_physics.rice.edu)
Date: Sun Mar 16 2003 - 10:12:22 EST
hi again - i'm having a hard time visualizing how this could
be a cabling problem...
we run run just fine at the beginning of a run, then we hang
daq. how does this cable(s) know to disconnect itself in the middle
of a run?
thanks
On Sun, 16 Mar 2003, Frank Geurts wrote:
> I suppose we are still waiting for an access in order to check the rear
> connector of the TOF TCD (Eleanor?). I would like to suggest STAR asking
> for an emergency access (~15min max) to fix this ... we have already
> lost two days of data and TOFp is considered to be a base line
> detector, right?
>
>
> W.J. Llope wrote:
> > hi guys,
> > last i heard we believed the present problem w/ tof (i.e. ,runs fine
> > for only first ~5k events than hangs DAQ) in run control was related to
> > our TCD (see msg from frank) or beyond, and eleanor was going to contact
> > freddy... did this happen? or someone know the latest status
> > on this? thanks
> > bill
> >
>
> Fred send out this email (cc'd to tofp_at_physics.rice.edu) Friday at 4h53pm:
> > fred bieser wrote:
> >
> >> Te TOF's TCD has NO internal logic to generate busy except as brought in
> >> thru the front-panel LEMO labelled "DAQ Live." All the recent activity
> >> in that area might have left some cable loose or dropped or ???? either
> >> at the front or, more likely, in the rear.
> >>
> >> fred
> >>
>
>
> cheers,
> - Frank
>
>
>
--
_________________________________________________________
W.J. Llope, Ph.D. Res. Assoc. Professor
http://wjllope.rice.edu/default.html
llope_at_physics.rice.edu
T.W. Bonner Nuclear Lab.
Rice University, MS-315
6100 S. Main phone: 713-348-4741
Houston, TX 77005-1892 fax: 713-348-5215
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