Reed,
The last sentence about having to reset is true for some units and not
true for others. You can find those that automatically reset. They are
a bit more expensive.
https://community.spiceworks.com/topic/1525772-ups-power-state-after-power-loss-and-battery-depletion
"As batteries begin failing, automatic restart back into a protected
operating mode when power is restored becomes more challenging for the
UPS to provide. You can overcome it by ensuring that your battery set
is frequently tested and replaced well before failure.
What else can you do to ensure that your application will restart
automatically when power is restored?
Get a UPS with BATTERY INDEPENDENT RESTART ability. UPS systems that
include this feature will restart back into a protected UPS-enabled
operating mode when power is restored, so long as batteries are in
good-enough shape to provide protection. If batteries aren't in
particularly good health when power is restored, a UPS with BATTERY
INDEPENDENT RESTART will automatically begin passing BYPASS OUTPUT to
power your connected equipment right-away after power is restored,
regardless of the condition of the battery set. While bypass isn't a
protected operating mode (it won't provide UPS protection), it's better
than nothing! This allows your applications to begin operating right away."
73 de Brian/K3KO
On 2/21/2018 15:13 PM, Reed wrote:
Gary I have used APC UPS for over 23 years on all electronic equipment
including my XYL'S Bernina sewing machine.?? Never had anymore
electronic equipment, including ham, getting zapped either from surges
or lightning coming in on AC.?? We average at least 2 surges a month at
this QTH. Lose AC more on clear day than when weather is storming.
I'm retired, in I.T., from very large financial institution & we used
APC UPS on all PC's, servers, & data network rooms. Kept everything up
until generators kicked on.
Most places like electronic stores carry APC.?? Sure other brands will
work, but know this one has a good track record.?? They also carry a
liability clause that if your equipment is damaged they will cover the
cost to repair or replace it.?? I don't know how well that works,
because I never have had to use it.
I have a power strip that my Astron power supply plugs in to & the power
strip plugs into the UPS side of the APC.?? When not in use I turn strip
off, but have been on rig many times when AC just drops & comes back
on.?? The battery inside APC kept everything up or if AC didn't come
back on gives me time to shut everything down.?? It will keep rig up for
20 minutes on receive & about 5 minutes on transmit.?? When battery
reaches low voltage it will shut APC down.?? You will have to unplug the
APC from the AC?? & plug back in when AC comes back on to reset the unit
& start charging the battery.
73,
Reed?? W4JZ
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