[Nut-upsuser] APC SmartUPS 2200

Greg Troxel gdt at lexort.com
Wed Feb 18 19:22:33 GMT 2026


Andrea Venturoli via Nut-upsuser <nut-upsuser at alioth-lists.debian.net>
writes:

> I cannot un[plug] it right now, since it's not here.
> I can report the dmesg at boot, though:
>> ugen0.4: <American Power Conversion Smart-UPS 2200 FW:654.18.I USB FW:7.4> at usbus0

boot dmesg is helpful.  That's attaching as ugen and not serial.  That
isn't 100% proof that it *should* but probably if someone else had one
they'd comment.  So the 'usbhid-ups is the right driver' sounds
plausible.

I would also suggest looking over the entire source tree and reading
anything even remotely related to APC.  There is at least

./docs/cables/apc.txt
./docs/cables/apc-rs500-serial.txt
./docs/man/microsol-apc.txt
./docs/man/apcupsd-ups.txt
./docs/man/apc_modbus.txt
./docs/man/apcsmart.txt
./docs/man/apcsmart-old.txt
./drivers/microsol-apc.h
./drivers/apc-epdu-mib.c
./drivers/apcsmart_tabs.c
./drivers/apc-mib.h
./drivers/apcsmart-old.h
./drivers/apcsmart.c
./drivers/apc_modbus.c
./drivers/apcupsd-ups.c
./drivers/apc-ats-mib.h
./drivers/apc-pdu-mib.h
./drivers/apc-hid.h
./drivers/apc-epdu-mib.h
./drivers/microsol-apc.c
./drivers/apc-ats-mib.c
./drivers/apc-pdu-mib.c
./drivers/apc-hid.c
./drivers/apc-iem-mib.h
./drivers/apc_modbus.h
./drivers/apcupsd-ups.h
./drivers/apcsmart-old.c
./drivers/apcsmart.h
./drivers/apcsmart_tabs.h
./drivers/apc-mib.c






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