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Kjell Claesson wrote:
> Hi Jeff,
>> Jeffrey B. Green wrote:
>>> However, they are fairly simple tools and not configurable beyond
>>> the command line arguments specifying the serial line and polling times.
>> Sorry, small correction. Not polling times, rather the breakout delay
>> time and the UPS shutdown delay time.
>
> This sounds like the powercom program. So I think you need the powercom
> driver.
>
> Problem is that I don't think we have the papers on the protocol.
>
> What you can do is starting the UPSMON program, then cat the port.
> Ex:
> cat /dev/ttyS0
>
> If it returns something like this it is powercom.
> (199.0 199.0 235.0 019 50.0 27.8 37.8 00101000
>
> Then if you can check the speed on the port. The powercom driver is using
> 1200 b/s.
I tried a slight variant of what you suggested above (after starting
upsmon), e.g.
while true
do
cat /dev/ttyS0 | od -xc
sleep 1
done > ttyS0.out &
Letting it run for awhile, I get:
% cat ttyS0.out
0000000 5130 0000 0000 7353 0000 09f4 7ed3 507e
0 Q \0 \0 \0 \0 S s \0 \0 364 \t 323 ~ ~ P
0000020 5130 0000 0000 7353 0000 09f4 7ed3 517e
0 Q \0 \0 \0 \0 S s \0 \0 364 \t 323 ~ ~ Q
0000040 5030 0000 0000 7353 0000 09f4 7ed3 507e
0 P \0 \0 \0 \0 S s \0 \0 364 \t 323 ~ ~ P
0000060 5030 0000 0000 7353 0000 09f4 7dd3 507d
0 P \0 \0 \0 \0 S s \0 \0 364 \t 323 } } P
0000100 5030 0000 0000 7353 0000 00f4
0 P \0 \0 \0 \0 S s \0 \0 364 \0
0000113
0000000
0000000 7353 0000 00f4
S s \0 \0 364 \0
0000005
0000000
0000000 7353 0000 00f4
S s \0 \0 364 \0
[...more of the same...]
0000005
0000000
0000000 7353 0000 00f4
S s \0 \0 364 \0
0000005
0000000
0000000 7353 0000
S s \0 \0
0000004
0000000 00f4
364 \0
0000001
0000000
0000000 7353 0000 00f4
S s \0 \0 364 \0
[...more of the same...]
0000005
0000000
0000000 7353 0000 00f4
S s \0 \0 364 \0
0000005
0000000
0000000 7353 0000
S s \0 \0
0000003
0000000 f400
\0 364
0000002
0000000
0000000 7353 0000 00f4
S s \0 \0 364 \0
0000005
0000000
0000000 7353 0000 00f4
S s \0 \0 364 \0
0000005
0000000
(END)
The powercom driver in nut doesn't seem to work at all even though
upsmon starts up with the message:
Copyright(c) Powercom Co., Ltd., all rights reserved.
UPSMON V0.91a program start!
UPSMON: The UPS serial port use /dev/ttyS0.
UPSMON: Ac Fail count down is seted 300 secs.
UPSMON: UPS shutdown delay time is seted 1 mins and 0 secs.
Check UPS type.....
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