10-09-2006
The difference between an 880 and an 890 is the fact that the 890 uses SPARC IV dual core CPUs, these can be either 'plain' IV or IV+. There is a speed increase with the IV and IV+ cpus in addition to the fact that they are dual core. Effectively this means that an 890 has > twice the compute power or an equivalently populated 880. Additionally is is possible to get a RoHS confroming 890 whereas you cannot get an 880 which conforms to the standard.
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LEARN ABOUT REDHAT
newapc
NEWAPC(8) Network UPS Tools (NUT) NEWAPC(8)
NAME
newapc - Driver for American Power Conversion Smart Protocol UPS equipment
NOTE
This man page only documents the hardware-specific features of the newapc driver. For information about the core driver, see nutupsdrv(8).
SUPPORTED HARDWARE
newapc should recognize all recent APC models that use a serial protocol at 2400 bps. This is primarily the Smart-UPS, Matrix-UPS and
Back-UPS Pro lines. Older APC models may work better with the apcsmart driver.
The driver attempts to support every bell and whistle of the APC reporting interface, whether or not this is strictly sensible.
Some older hardware may only report a handful of variables. This is usually not a bug - they just don't support anything else.
CABLING
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 below.
If your 940-0024C cable is broken or missing, use this diagram to build a clone:
http://www.exploits.org/nut/library/cables/940-0024C.jpg
EXTRA ARGUMENTS
This driver supports the following optional settings in the ups.conf(5):
cable=940-0095B
Configure the serial port for the APC 940-0095B dual-mode cable.
sdtype=num
Use shutdown type num, according to this table:
0: soft shutdown or powerdown, depending on battery status
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 returns.
BUGS
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.
AUTHOR
Nigel Metheringham <Nigel.Metheringham@Intechnology.co.uk> (drawing heavily on the apcsmart driver by Russell Kroll).
SEE ALSO
The core driver:
nutupsdrv(8)
The apcsmart driver:
apcsmart(8)
Internet resources:
The NUT (Network UPS Tools) home page: http://www.exploits.org/nut/
NUT mailing list archives and information: http://lists.exploits.org/
Tue Oct 22 2002 NEWAPC(8)