Parameter

Cat5 lan cable
and Class D
with additional
requirements TSB95
and FDAM 2

Cat5e lan cable ('568-A-5)

Cat6 lan cable Class E
(Performance at
250 MHz shown
in parentheses)

Specified frequency range

1-100 MHz

1-100 MHz

1-250 MHz

Attenuation

24 dB

24 dB

21.7 dB
(36 dB)

NEXT

27.1 dB

30.1 dB

39.9 dB
(33.1 dB)

Power-sum NEXT

N/A*

27.1 dB

37.1 dB
(30.2 dB)

ACR

3.1 dB

6.1 dB

18.2 dB
(-2.9 dB)

Power-sum ACR

N/A

3.1 dB

15.4 dB
(-5.8 dB)

ELFEXT

17 dB
(new requirement)

17.4 dB

23.2 dB
(15.3 dB)

Power-sum ELFEXT

14.4 dB
(new requirement)

14.4 dB

20.2 dB
(12.3 dB)

Return loss

8 dB*
(new requirement)

10 dB

12 dB
(8 dB)

Propagation delay

548 nsec

548 nsec

548 nsec
(546 nsec)

Delay skew

50 nsec

50 nsec

50 nsec