Chapter 2 Specifications
10
2.3.3 Category 5 twisted paired cable (UTP) examples (CTP-LAN5)
Item
Unit
Value
Conductor resistance (Max.)
Ω
/km 93.5
Insulation resistance (Min.)
M
Ω
·
km
2,500
Withstand voltage
V/min
AC 500
Characteristic impedance
Ω
(1~100MHz) 100
±
15
10MHz 6.5
16MHz 8.2
Decrement
Below
dB/100m
20MHz 9.3
10MHz 47
16MHz 44
Near-end crosstalk decrement
Below
dB/100m
20MHz 42
[Table 2-5] UTP cable specification