Fluke DTX-1800 Technical Reference Handbook page 147

Wire Map: short
•
Damaged connector
•
Damaged cable
•
Conductive material stuck between pins at connector.
"Bad patch cord" message appears (indicates excessive crosstalk over the first 2 m of the cabling)
•
Poor quality patch cord used for channel
•
Cable on permanent link interface adapter is badly distorted or damaged
•
Wrong test standard selected
A test passes, but the plot shows that measurements exceed the limit
A dB rule may apply. See "About dB Rules" on page 3-13.
Resistance gives FAIL, FAIL*, or PASS* result
•
Cabling is too long
•
Bad connection due to oxidized or loose contacts
•
Wire gauge is too thin
•
Wrong patch cord type used
Table 6-1. Diagnosing Twisted Pair Test Failures (cont.)
Diagnosing Copper Cabling Faults
Common Causes of Copper Cabling Failures
•
Improper connector termination
•
Wrong application for cable
Tip: The resistance test in Single Test mode features a
scanning function that runs the resistance test
continuously. This function is helpful for locating
intermittent resistance faults. Note that the resistance
test is available in Single Test mode only if the selected
standard has a limit for resistance.
6
-continued-
6-3