DSP-4000 Series
Users Manual
8-8
Specifications
WWarning
Under no circumstances is this product intended for
direct connection to telephony inputs, systems, or
equipment, including ISDN inputs. Doing so is a
misapplication of this product, which could result in
damage to the test tool and create a potential shock
hazard to the user.
Under no circumstances should the CABLE TEST input
be connected to LAN inputs, systems, or equipment.
Doing so is a misapplication of this product, which could
result in damage to the test tool and create a potential
shock hazard to the user.
Calculated Measurement Accuracy
All Basic Link, Permanent Link, and Channel “Measurement Accuracy”
specifications are calculated from the individual parameters using formulas
defined in draft TIA guidelines. These TIA guidelines are currently in draft form,
and future revisions may cause the calculated accuracies to change. This manual
uses the TIA guidelines available at the time of printing for calculating
Measurement Accuracy.
Traceable Calibration Period
One year.
Self-Calibration Period
To ensure maximum accuracy of test results, perform the self-calibration
procedure, as described in “Calibrating the Test Tool” in Chapter 6, every 30 days.
Notes
All specifications for tests on twisted pair cabling apply to cable with
100
Ω
of characteristic impedance. Contact Fluke Networks for
information on measurement performance on cabling with
characteristic impedance other than 100
Ω
.
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