I am in charge of upgrading our 13 individual 1000-1500 VA UPS units to 2 10kVA Tripp Lites capable of sending shutdown signals for our VM's and powering down and up in sequence.
got the first unit in place and swapped over all I could while live (all the servers/sans with dual ps) and scheduled a night to swap over all the single power supply units (mostly switches and routers with a coupla older servers in the mix).
got the second unit in place and started to even up the loads and get redundant power supplies over to the second unit.
where I am the fire dept requires a panic button in case of fire that hard powers down everything with one smack of a button. this is called emergency power off (EPO).
see where this is going?
our existing units were all wired to this button and I emailed emmerson who bought leibert and checked that the...