apcsmart - Driver for American Power Conversion Smart Protocol UPS equipment
This man page only documents the hardware-specific features
of the apcsmart driver. For information about the core
driver, see nutupsdrv(8).
apcsmart should recognize all APC models that use a serial
protocol at 2400 bps. This is primarily the Smart-UPS and
Matrix-UPS lines, but some Back-UPS Pro models are also
Some older hardware may only report a handful of variables.
This is usually not a bug - they just don't support anything
This driver expects to see a 940-0024C cable or a clone by
default. You can switch to the 940-0095B dual-mode cable
support with the cable= definition described
If your 940-0024C cable is broken or missing, use this
diagram to build a clone:
This driver supports the following optional values for -x
and in the ups.conf(5):
Configure the serial port for the APC 940-0095B dual-mode
Use shutdown type num, according to this
0: soft shutdown or powerdown, depending on battery
1: soft shutdown followed by powerdown
2: instant power off
3: power off with grace period
Modes 0 and 1 will power up the load when power returns.
Modes 2 and 3 will keep the load turned off when the power
Some older APC UPS models return bogus data in the status
register during a front panel test. This is usually detected
and discarded, but some other unexpected values have
occasionally slipped through.
The core driver:
The NUT (Network UPS Tools) home page:
NUT mailing list archives and information: