Liebert PSP - Manual (Page 14)

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5. Connect Phone/Fax/DSL/Internet/Modem devices to data line connec-
tors.
6. Press and release the ON/OFF/Alarm Silence button to turn on the
UPS. The UPS will beep and the Utility Indicator will illuminate
(green).
7. Turn on connected equipment.
8. Communication options (see Communications section for details):
Option 1—Serial Communications
Serial communications provides parametric data, for example,
input voltage and battery voltage.
a. Connect Multilink serial cable included with the UPS to commu-
nications port.
b. Install the MultiLink software—the software and installation
instructions, as well as the user manual, are on the CD included
in the PowerSure PSP package.
Option 2—Contact Closure Communications
Contact Closure communications provides on-battery and low-bat-
tery signals for orderly shutdown.
a. Refer to the MultiLink user manual for instructions on making
your own contact closure cable.
b. Install the MultiLink software—the software and installation
instructions, as well as the user manual, are on the CD included
in the PowerSure PSP package.
Option 3—USB Communications
Connect USB cable provided with the UPS to the USB ports on
the PSP and your computer. The PSP will work automatically
with your built-in power management software on Windows XP
and 2000 and Mac OS 10.2 or later (see USB Interface Port sec-
tion for details).
185-270V
185-280V
175-270V
175-280V
Refer to user's manual
for voltage setting
Serial port for MultiLink
cable connection