Thanks for the advice.> Turn off the backlight. Interesting idea. We tried
this today. Voltage during CO speakerphone conference call went up by 0.25
volts from 6.94 to 7.20 but that wasn't enough to make the outbound speaker
work.> > Paralleling pairs increases capacitance that will kill the 74xx. Cat5e
> will have lower cap and helps. We are using CAT5E.> > Make sure the cable
starts at the ksu and ends at the set. one port > connected to two cables to
two jacks, unterminated cable will cause swr > and mess up the connected set.
(done to allow a pits at one place and a > slt at another place on the same
port) Another good point. All cable runs are point to point so cable
from phone having the problem goes directly from room jack to building 66 block
where 50 pair terminates.
At the KSU end, the 50 pair terminates at a 66 block directly connected to the
KSU.> > you can usually get away with a 70xx set since the voice is on the
first > pair, and the digital signal doesn't have the high speed digitized >
voice. (if only have prob at a few distant sets)> > There is also the add a
small series supply at the set end. the old > loopextender ;-) idea I still
don't like.> > good luck> > -larry / dallas
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