DSP-4000 Series
Users Manual
2-2
Warning
To avoid possible fire, electric shock, personal injury, or
damage to the test tool
• If this product is used in a manner not specified by the
manufacturer, the protection provided by the product
may be impaired.
• Use only the ac adapter/charger provided with the test
tool (PN 106200 or 944223) to charge the battery or
power the test tool.
• Never connect the test tool to any telephony inputs,
systems, or equipment, including ISDN. Doing so is a
misapplication of this product, which can result in
damage to the test tool and create a potential shock
hazard to the user.
• Never connect the CABLE TEST input to any LAN
inputs, systems, or equipment. Doing so is a
misapplication of this product, which can result in
damage to the test tool and create a potential shock
hazard to the user.
• Always turn on the test tool before connecting it to a
cable. Turning the test tool on activates the tool’s
input protection circuitry.
• When servicing the test tool, use only specified
replacement parts.
• Do not use the test tool if it operates abnormally.
Protection may be impaired.
• Do not use the test tool if it is damaged. Inspect the
test tool before use.
Caution
To avoid disrupting network operation and to ensure
maximum accuracy of test results
• Except when monitoring network activity, never
connect the test tool to an active network. Doing so
may disrupt network operation.
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