Noyafa NF-868A Manual do Utilizador descarregar pdf (Página 5)

Product operation method

5 seconds later, the following main interface is displayed:

Bootscreen

Synchronous self test ( self test dynamically displayed in the line

from left to right)

------

Lang:English

Cable Le ngt h

Scan Cab le

welcome

to choo se noya fa

NF-86 8

Wire mapping

There are nine functional options in the main menu interface

(1) Language— English or Chinese.

(2).Wire mapping --- Connection and disconnection test: to test connection

of M, S R end-end cable and perform positioning of the failure.

(3).Cable Length---Pairing and length measurement: verify cable length,

open circuit distance and pairing, crosstalk.

(4).Scan cable---to find target cable among lots of network cables,

telephone cables, USB cables, coaxial cables and other kinds of wires.

(5).Type--- Pair / Tel / USB / COAX / BNC Cable.

(6).Unit---Meter / Feet / Yards.

(7).Calibrate— Seven calibration coefficient can be stored in it.

User can calibrate network/ telephone/ USB/ Coax cables.

(8) Data loading---Select the calibration coefficients stored in system.

(9) Auto power off— set the time for power off.

- - - - identify- - - -

Taking network test as an example: after entering connection test function,

press “ENTER” key to check wiremap. At this time, the following interface is

shown indicating test is in process:

a.Cable line-to-line test:

Test result 1: Short circuit

Sho rt map ping :

1 2 3 4 5 6 7 8

Cab le o pen or

too Short !

1 2 3 4 5 6 7 8 G

Wire Map: Remote

If there is short circuit with the cable and terminal, it will show as below:

(Short circuit with 3 and 6)

At this time, press any key to return to the main menu, and then press

“ENTER” key for re-test.

Please do not perform test again until short circuit problem solved.

Test result 2: if the far end of the cable to be tested is not plugged in

remote adapter (R) or cable is not plugged into the local port (S),

the following interface is shown:

Test result 3:correct connection

the following interface is shown:

“M”stands for Master unit. “R” stands for remote unit.

Test result 4: In case of open circuit existing on far end of the cable,

the following interface is shown:

1 2 3 X X 6 7 8

Wire Map: Remote

In the figure, “X” shown in “4” and “5” pin position, indicates there is

open circuit in “4” and “5” pin of the remote pin.

Your excellent helper in cable test!

1 2 3 4 5 6 7 8 9 10 11 12

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