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NOTICE: Most surge protectors do not protect against lightning strikes. Dell
recommends that you disconnect your computer from the electrical outlet when
lightning occurs in your area.
NOTICE: Surge protectors do not protect against power fluctuations or power
interruptions.
Power surges on telephone lines can damage modems. Dell recommends
that you disconnect the telephone line from the telephone wall jack during
electrical storms. Many surge protectors have a telephone jack for modem
protection. See the surge protector documentation for modem connection
instructions.
NOTICE: Network adapter protection is not available on surge protectors.
Dell recommends that you disconnect the network cable from the network wall
jack during electrical storms.
Line Conditioners
NOTICE: Line conditioners do not protect against power interruptions.
Line conditioners are designed to maintain AC voltage at a fairly constant
level. Line conditioners can cost up to several hundred dollars more than
surge protectors.
Uninterruptible Power Supply Devices
NOTICE: Loss of power while data is being saved to the hard drive may result
in data loss or file damage.
HINT: To ensure
maximum battery
operating time, connect
only your computer to a
UPS. Connect other
devices, such as a printer,
to a separate power strip
that provides surge
protection.
A UPS protects against power fluctuations and interruptions. UPS devices
contain a battery that provides temporary power to connected devices when
AC power is interrupted. The battery charges while AC power is available.
See the UPS manufacturer documentation for information on battery
operating time and to ensure that the device is approved by Underwriters
Laboratories (UL).
2H767bk0.book Page 29 Friday, September 28, 2001 1:37 PM