Agilent Technologies N2610A - Manual (Page 221)

Cable Tester Reference 9
Measurements
Agilent FrameScope 350 User’s Manual 213
Near End Crosstalk (NEXT)
NEXT measures near end coupling between pairs in the tested cable run,
at both ends of a cable, over 6 pair combinations.
I@YUÃHrh†ˆ r€r‡ÃTƒrpvsvph‡v‚†
Attenuation
Attenuation measures the decrease in signal strength over the length of
all pairs in a cable.
6‡‡rˆh‡v‚ÃHrh†ˆ r€r‡ÃTƒrpvsvph‡v‚†
9ryh’ÃTxr UurÃqvssr rprÃvÃh‚†rp‚q†Ãir‡rrÃ‡urÃy‚tr†‡ÃhqÆu‚ ‡r†‡Ã
€rh†ˆ rqà ‚ƒhth‡v‚Ãqryh’Ãh€‚tÇurÃs‚ˆ Ãhv †Ã‚sÃhÆvtyrÃphiyrÃ
ˆ
A r„ˆrp’ÃShtr Г²Г"$ГHC“
A r„ˆrp’ÃT‡rƒÃTv“r† !$ГxC“Г!$ГxC“Г$ГxC“Г ГHC“Г†r‡Ãhˆ‡‚€h‡vphyy’Ãih†rqГ‚Г
†ryrp‡rqƇhqh q†
Sr†‚yˆ‡v‚ Ãq7
9’h€vpÃShtr (Гq7Г‚ Г!$Гq7Гir’‚qГ8h‡rt‚ ’%Ãih†vpÃyvxÃyv€v‡Ãuvpur‰r Гv†Г
uvtur
7h†ryvrÃ6ppˆ hp’ #ÈÃir‡‡r ÇuhÃUD6ÃGr‰ryÃDDDà r„ˆv r€r‡
TIA level III measurement parameter and tester accuracy requirements per
TIA Category 6 Draft – Addendum to TIA-568-B and ISO/IEC 61935-1 draft
amendment 1, 10/99
A r„ˆrp’ÃShtr Г²Г"$ГHC“
A r„ˆrp’ÃT‡rƒÃTv“r !$ГxC“Г!$ГxC“Г$ГxC“Г ГHC“Г†r‡Ãhˆ‡‚€h‡vphyy’Ãih†rqГ‚Г
†ryrp‡rqƇhqh q†
Sr†‚yˆ‡v‚ Ãq7
9’h€vpÃShtr (Ãq7
7h†ryvrÃ6ppˆ hp’ #ÈÃir‡‡r ÇuhÃUD6ÃGr‰ryÃDDDà r„ˆv r€r‡
TIA level III measurement parameter and tester accuracy requirements per
TIA Category 6 Draft – Addendum to TIA-568-B and ISO/IEC 61935-1 draft
amendment 1, 10/99