On 2/17/2011 8:50 AM, Art Todesco wrote:
I have a computer and DSL modem tied to an old UPS (with new
batteries). When I have a power failure, the computer keeps right on
ticking, but I always have to restart the DSL modem. I've even
restarted the modem while running on the UPS and after its restart,
all was fine. I am assuming here that the switch over time is
killing the modem. I looked at the modem and its walwart. It says 12
VDC. I was wondering if putting a few thousand micro farad cap
across the 12 volt line might help. Anyone have any experience with
something like this?
Well, I did more testing. I unplugged the UPS and both computer and
modem continued to function properly. So, I tried a bunch of quick
unplug/plugs of the UPS. Everything continued to work. At this
point, I'm tending to blame the ISP. Here's why. Verizon used to
be the provider ... now, it's Frontier. I know, in Verizon days,
last year, that a power outage would kill the telephone service. I
get service from a remote vault about 2 miles down the road. During
a long power/phone outage, I went down to the remote and talked to
the telephone guy that was dispatched to the remote site. He said
that the batteries were junk and Verizon didn't want to spend the
money to replace them because they knew the Frontier sale was just
around the corner. Funny thing, during that long power outage, DSL
still worked. It apparently comes from the same remote site, but
probably uses different batteries or gets its power differently.
Now, I just have to monitor the outages in the future and possibly
report the problems to Frontier. I've heard both good and bad about
Frontier's response to problems.