JDSU TP500 Guia do Utilizador descarregar pdf (Página 14)

If there was an error, the results are displayed

for twice as long.

If the lights for the pairs expected are on, the

cable is good.

Debug Mode – (See “Ethernet Up-Link Cable

Example”) The debug mode is provided to allow

diagnosis of faults, especially when there are

multiple errors on multiple pairs. To enter the

debug mode, press and hold the tone button

until all lights on the main unit light (lamp test).

Once the lamp test is complete, debug displays

the results of the last cable test. This is from

internal memory, so the cable is not required to

be connected when running debug.

The debug display begins with a short flash on

the 1-2 pair to indicate that what follows is the

result for the 1-2 pair test (or the “from”). If the

pair was not open, a second longer flash on

one or more pair lights designates what pair 1-

2 is connected “to” at the remote end, or pairs

involved in a fault condition along with the fault

lights. The 3-6, 4-5 and 7-8 pair lights each in

turn begin with a short flash followed by the

results for that pair. The individual pair results

continue to be displayed until the tone button

is pressed again or two complete cycles of all

pairs is completed. The remote unit does not

display anything when in debug mode.

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JDSU TP500 Guia do Utilizador Página 14