Appendix C
Measurement Methods and Limits
C-10
EINBETTENELFEXT
The same measurement as NEXT except the crosstalk is measured from the RH
and sent to DH. ELFEXT (worst pair-to-pair).
ANSI/TIA/EIA
Frequency
(MHz/dB)
4.00 47.50 45.00 48.00 45.30 52.10 51.20
8.00 41.50 38.90 41.90 39.30 - -
10.00 39.60 37.00 40.00 37.40 - -
16.00 35.50 32.90 35.90 33.30 40.10 39.20
20.00 33.60 31.00 34.00 31.40 38.10 37.20
25.00 31.60 29.00 32.00 29.40 36.20 35.30
31.25 29.70 27.10 30.10 27.50 34.40 33.40
62.50 23.70 21.10 24.10 21.50 28.30 27.40
100.00 19.60 17.00 20.00 17.40 24.20 23.30
200.00 18.20 17.20
Category 3 Category 5 Category 5e Category 6 (Draft 9)
ANSI/TIA/EIA568/TSB67 ANSI/TIA/EIA568/TSB67/95 ANSI/TIA/EIA568/TSB67/95 ANSI/TIA/EIA568
ISO/AS/NZS
Frequency
(MHz/dB) Permanent Channel Permanent Channel Permanent Channel Permanent Channel
4.00 47.60 45.00 52.10 51.20
8.00 42.00 39.00 46.10 45.20
10.00 39.60 37.00 44.20 43.20
16.00 35.50 32.90 40.10 39.10
20.00 33.60 31.00 38.10 37.20
25.00 31.00 29.00 36.20 35.30
31.25 29.70 27.10 34.30 33.30
62.50 23.70 21.10 28.20 27.30
100.00 19.60 17.00 24.20 23.20
155.52 20.30 19.40
250.00 16.20 15.30
Proposed
ISO Class-D ISO Class-EISO Class-C AS/NZS 3080
ISO Class-D 11801
EINBETTENNote: ELFEXT applies only to TSB95.
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