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SLAVE directives be put in your /etc/hosts file so that apcupsd will
be able to resolve the machine name during startup and shutdown
even if DNS is not running. Alternatively, you can use IP addresses
on the MASTER and SLAVE directives, but this is less flexible.
USERMAGIC < user defined magic> used only in SLAVE config-
uration files. The USERMAGIC directive is a sort of password that
gives a second level of identification security in a slave configuration
file. It is a character string up to 17 characters in length. It should be
unique for each slave. When the slave makes initial contact with the
master, this string is passed to the master. Then on each transmission
from the master to the slave, the string is passed back to the slave,
which checks that it is the correct string before accepting the master’s
information. This string should be different for each and every slave
on the network. This directive is not required.
Configuration Directives Used to Set the UPS EPROM
NOTE. THESE ARE DEPRECIATED AND NO LONGER WORK IN
APCUPSD PLEASE USE APCTEST
The values specified with the following directives are only used if the
--configure option is specified on the apcupsd command line, and the
UPS is capable of internal EPROM programming. In that case, apcupsd
attempts to set the values into the UPSes EPROM.
Under normal operations, the values for these parameters specified in the
configuration file are not used. Instead, they are read from the UPS EPROM
by apcupsd. See Configuration Directives Used to Set the UPS EPROM of
this manual for further details before attempting to reprogram your EEP-
ROM.
SENSITIVITY <sets sensitivity level> (H)igh, (M)edium, (L)ow
This value determine how sensitive the UPS is to the mains quality
and voltage fluctuations. The more sensitive it is, the quicker the
UPS will switch to battery power when the mains line quality is bad.
Normally, this should be set to H, but if you find your UPS switching
to batteries frequently, you might want to try a less sensitive setting,
providing that your computer equipment tolerates the poor quality
mains. This value is written to the UPS EPROM when the configure
option is specified.
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