APC AP9607 manual Master server is a server connected to the Advanced, PowerChute plus

Key Concepts continued

Master server	A “master” server is a server connected to the (Advanced)
versus Interface	computer interface port of the UPS. This server uses
Expander	PowerChute plus, configured for smart signaling, to moni-
servers	tor and control the UPS. Although the Advanced port on the
	UPS can provide simple signaling, we strongly recommend
	using it for smart signaling with the advanced capabilities of
	PowerChute plus.
	Servers connected to the Basic ports of the Interface
	Expander use simple signaling with PowerChute or
	PowerChute plus to provide UPS shutdown capabilities and
	advanced notification features. If you are running
	PowerChute plus on these servers, you must configure it for
	simple signaling. See “Configuring PowerChute plus for
	simple signaling” on page 9.
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