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Cable Specifications
Table C-1 lists the electrical requirements of the Category 5 cable.
Table C-1. Electrical requirements of Category 5 cables
Specification
Number of pairs
Impedance
Mutual capacitance at 1 KHz
Maximum attenuation
(dB per 100 m, at 20 ° C)
NEXT loss (dB minimum)
Fast Ethernet and Cabling Guidelines
Installation Guide for the Model FE508 and Model FE516 Fast Ethernet Hubs
Category 5
Two or Four
100 Ω ± 15%
5.6 nF per 100 m
at 16 MHz: 8.2
at 31 MHz: 11.7
at 100 MHz: 22
at 16 MHz: 44
at 31 MHz: 39
at 100 MHz: 32
C-3
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