IEC TS 61873:2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
State of the art for symmetrical pair/quad cables with transmission characteristics beyond category 5
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
29-01-2010
English - French
15-02-2001
FOREWORD
Clause
1 Scope
2 Normative references
3 Typical electrical transmission characteristics
3.1 General comments
3.1.1 General
3.1.2 Frequency range
3.2 Low frequency and d.c. electrical measurements
3.2.1 Conductor resistance
3.2.2 Conductor resistance unbalance
3.2.3 Dielectric strength
3.2.4 Insulation resistance
3.2.5 Mutual capacitance
3.2.6 Pair to earth capacitance unbalance
3.2.7 Resistance of the screen
3.3 Transmission characteristics
3.3.1 Velocity of propagation
3.3.2 Phase delay
3.3.3 Differential delay (skew)
3.3.4 Impedance
3.3.5 Return loss
3.3.6 Attenuation
3.3.7 Unbalance attenuation
3.3.8 Near-end crosstalk
3.3.9 Far-end crosstalk
3.3.10 Transfer impedance (for screened cables only)
3.3.11 Coupling attenuation
3.3.12 Screening attenuation
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