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Инструкция NOYAFA NF-300 — страница 6

Инструкция ФорматPDF Размер1,39 МБ Страниц12 КатегорияИнструменты / Контрольно-измерительные приборы ДобавилMaxЧитател

Инструкция для NOYAFA NF-300 на русском языке. Документ можно использовать для ознакомления с информацией, относящейся к данной модели.

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07
Note: Because network cable is made of pair cores, if there is open circuit,
it will show faults in pairs, just as above "4" &" 5". it means either "4" pin
or "5" pin exsits an open circuit, or both "4" and "5" exsit an open circuit.
Test result 5: In case of open circuit existing at the near end of
the cable , the following interface
is shown:
when testing only with main tester
In the figure, “X” shown in “3” and “6” pin position in “M” line, indicates there is
open circuit in “3” and “6” pin of the near pin.
Test result 6: In case of open circuit existing at the middle part
of the cable , the following
interface is shown:
when testing only with main tester
In the figure, “X” shown in “3” pin position in “M” and “S” line, indicates there is
open circuit in “3” pin of the middle part of the cable. Perform"Cable Length"
to locate the exact fault point. Refer to the related chapter below.
1 2 X 4 5 X 7 8
M:
S:
1 2 3 4 5 6 7 8
Wire Map: Local
1 2 X 4 5 6 7 8
M:
S:
1 2 X 4 5 6 7 8
Wire Map: Local
Test result 4: In case of open circuit existing on far end of the cable,
the following interface is shown:
In the figure, “X” shown in “4” and “5” pin position in “R” line, indicates there is
open circuit in “4” and “5” pin of the remote pin.
1 2 3 4 5 6 7 8 G
M:
R:
1 2 3 X X 6 7 8 G
Wire Map: Remote
08
Test result 8: 6-core telephone cable line sequence test
At this time, press any key to return to the main menu, and then press
“ENTER” key for re-test.
Note: when checking wiremap of telephone cable, users can only test with
main testers, for the remote unit has no RJ11 port.
Test result 9: BNC coaxial cable line sequence test
Before checking wiremap of telephone cable, users need to choose "RJ11"
and then check its wiremap. If the testing cable is in good connection, it will
displays as follows:
Before checking wiremap of BNC cable, users need to choose "BNC"; and
then check its wiremap. If the testing cable is in good connection, it will
displays as follows:
Wire Map: Local
Wire Map: Remote
At this time, press any key to return to the main menu, and then press
“ENTER” key for re-test.
1 2 3 4 5 6
M:
S:
1 2 3 4 5 6
1 2
M:
R:
1 2
Test result 7: In case of open circuit existing in the cable when
testing with main tester and remote unit together, the following
interface is shown:
In the figure, “X” shown in “4” & “5” pin in “M” & “R” line, It has two possible results.
Both “4” and “5” pin are open curcuited. Or , either “4” or “5” pin is open.
Note: When checking wiremap with main tester and remote unit together,
the cable is tested in pair. Thus, if there is one pin is open , it will show in pair
as above.
To test which pin is open, users can check wiremap only with main tester like
Example 4,Example 5 and Example 6 do.
1 2 3 X X 6 7 8
M:
S:
1 2 3 X X 6 7 8
Wire Map: Local
Your excellent helper in cable test!
Your excellent helper in cable test!
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