User Manual

฀ ฀
฀ Locating฀Crosstalk฀and฀Impedance฀Faults฀on฀Twisted฀Pair฀Cabling฀฀ ฀
57฀
Table฀3.฀Crosstalk฀and฀Impedance฀Fault฀Messages฀
Cabling฀too฀short฀for฀diagnostics฀ No฀cabling฀is฀connected฀to฀the฀tester,฀or฀the฀cabling฀is฀too฀short฀to฀test.฀
Cabling฀too฀long฀for฀diagnostics฀ The฀cabling’s฀length฀is฀beyond฀the฀tester’s฀range.฀
No฀significant฀crosstalk฀
No฀significant฀impedance฀fault฀
The฀crosstalk฀or฀impedance฀is฀acceptable฀for฀the฀selected฀application.฀
Crosstalk฀fault฀
Impedance฀fault฀
A฀localized฀crosstalk฀or฀impedance฀problem฀was฀detected.฀Localized฀faults฀are฀
usually฀caused฀by฀bad฀connections.฀Check฀the฀cabling฀at฀the฀location฀given.฀
Distributed฀crosstalk฀faults฀
Distributed฀imped.฀faults฀
Crosstalk฀or฀an฀impedance฀problem฀was฀detected฀along฀most฀or฀all฀of฀the฀cabling.฀
The฀cabling฀is฀of฀poor฀quality฀or฀is฀the฀wrong฀category฀for฀the฀selected฀application.฀
Marginal฀ELFEXT฀for฀1000BASE-T฀ Equal-level฀far-end฀crosstalk฀measurements฀are฀marginal.฀฀
Short฀or฀possible฀bridge฀tap฀ The฀impedance฀is฀very฀low฀at฀the฀location฀given.฀Check฀for฀a฀short฀or฀bridge฀tap.฀
฀