> -----Original Message----- > From: CentOS [mailto:centos-bounces at centos.org] On Behalf Of John R > Pierce > Sent: Saturday, December 24, 2016 8:13 PM > To: centos at centos.org > Subject: Re: [CentOS] apcupsd-3.14.14 > > On 12/24/2016 5:02 PM, TE Dukes wrote: > > I have an older Smart APC UPS. Replaced the batteries twice. It might > > be time to upgrade. This has been broken for a while but batteries are > > cheaper than replacing the whole unit. > > if it only has the non-serial port serial port control signalling, where CTS/RTS > etc are used to signal the UPS, and requires a very specific APC > "serial" cable, then I'd consider retiring it. I prefer my UPS's to > have ethernet based power management > Not using an APC cable, just USB. It doesn't have an Ethernet connection, just USB and a serial port. Its an APC Smart 750. Not looking for run time, but a safe shutdown. It may be worth upgrading. Checked Newegg the other day and they have come down in price big time. About time for another battery change anyway.