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8
Key Concepts
continued
Master server
versus Interface
Expander
servers
A “master” server is a server connected to the (Advanced)
computer interface port of the UPS. This server uses
PowerChute plus, configured for smart signaling, to moni-
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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