Phone/Fax Surge Protector - Compaq Pro UPS 500 Operation And Reference Manual

For example, if the software detects an extended utility power blackout, the
program will initiate messaging across the system and will start an operating
system shutdown.
For more information on using the Compaq Power Manager Pro UPS
software, see Chapter 4, "Software."
NOTE: Select Compaq NeoServers have UPS power management software preinstalled.
Some NeoServer customers may not need to install Compaq Power Manager Pro UPS
software. Please see the NeoServer documentation included with the NeoServer unit for
specific power management software installation requirements.
RJ11 Phone/Fax Surge Protector
Select Compaq Pro UPS 500 models include a Phone/Fax Surge Protector that
safeguards communications equipment (such as a fax machine or a modem)
from spikes and surges from transients present on telephone lines.
Introduction 1-7