Getting Acquainted
Safety Information 1
1-7
• Always turn on the tester before connecting it
to a cable. Turning the tester on activates the
tool’s input protection circuitry.
• Do not use the tester if it operates abnormally.
Protection may be impaired.
WCaution
To avoid disrupting network operation, to avoid
damaging the tester or cables under test, to
avoid data loss, and to ensure maximum
accuracy of test results:
• Never connect the tester to an active network.
Doing so may disrupt network operation.
• Never attempt to insert any connector other
than an 8-pin modular (RJ45) connector into an
adapter’s jack. Inserting other connectors, such
as RJ11 (telephone) connectors, can permanently
damage the jack.
• Never operate portable transmitting devices,
such as walkie-talkies and cell phones, during a
cable test. Doing so might cause erroneous test
results.
• To ensure maximum accuracy of copper cable
test results, perform the reference procedure as
described under “Setting the Reference” every
30 days.
• The permanent link interface adapters may not
perform properly or may be damaged if they are
handled improperly. See pages 1-18 and 1-19 for
important handling information.
• Turn off the tester before attaching or removing
modules.
• Leave the module bay covers in place when the
fiber modules are not installed. See page 1-10.
• Never remove the memory card while the
memory card’s LED is on. Doing so can corrupt
the data on the card.
W
*
Warning: Class 1 and Class 2 Laser
Products
To avoid possible eye damage caused by
hazardous radiation, when using the fiber
modules follow the safety guidelines given in
Chapter 5 of this manual.
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