On 02/28/2013 07:55 PM, Kris Jordan wrote:
Vieri wrote, On 2/28/2013 9:41 AM:
--- On Thu, 2/28/13, Manuel Wolfshant <[email protected]> wrote:
Good batteries ( for instance Yaesu, as seen in APC UPSes )
last 4
years. Normal ( usual ) ones last 2. Do the math yourself
Thanks for that information.
Just a side question:
Will the ups.mfr.date value be updated automatically by the APC ups
firmware when I change the battery or will I need to set it manually?
I'm asking because I'm not sure if the current battery was really
installed at the time indicated by this field.
Where APC has provided a value for battery mfg date, it has always
been the same as the UPS mfg date. The value isn't automatically
updated and NUT doesn't (from what I've seen) provide a way to update
it manually.
I had to use apctest from the apcupsd suite to do that
Before getting new batteries, you might want to check the float
voltage with a good multimeter. 55.65 is rather high (~2.32/cell), but
I wouldn't trust what the UPS says. Smart-UPS's can be bad about
overcharging their batteries. It can be adjusted by software in some
cases.
I also have another (maybe related) problem. I have another 2 APC
devices I'd like to monitor (apparently same model and serial
numbers). However, whenever I connect a serial cable to the port on
the UPS, the whole device shuts down immediately. This happens only
if I connect the other end of the serial cable to either a ttyS0 port
on a running motherboard or a port on a rs232-to-usb adapter (even if
the usb end ISN'T connected to a NUT monitoring server).
my APC SmartUPS 1000 -/SU1000I/ shuts down the very instant I connect it
to my workstation using a serial cable that I had handy ( received
together with a switch ). I guess that the incorrect wiring makes the
UPS go nuts.
What could be happening here?
This is obviously slightly off-topic because it doesn't seem to be
related to the nut ups drivers.
I'm just wondering what could be happening and if old batteries on
relatively high load (approx. 75%) could be a reason the UPS shuts
down abruptly on connecting a serial cable on both ends. IT sounds
really strange though.
Also, the UPS won't switch on while the serial cable is connected
even if I press the UPS power-on button several times.
I have to disconnect it (or at least the far end of it) in order to
"boot" the ups.
Are you using APC's supplied serial cable? They have special wiring
and it varies depending on UPS model.
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