networking cable tester

Product ID: st-248

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ST-248 Multifunctional Network Cable Tester
 It test correspondingly 8 double-twisted cables by the automatic scan mode,and can test the double-twisted cables and the cables of the same axes quickly.It has two speed grades and the novel configuration.The remote tester can be detached from main tester,and they also can unite.It adopts the PCV panel and the hidden flaring equipment,and adapts to test in the working locale.

Technical Guideline:
POWER SUPPLY: DC 9V reduplicated battery
BULK: 10.5*10.5*2.6 mm

I. Functions:

1. It can test correspondingly double-twisted cables 1,2,3,4,5,6,7,8 and G,meanwile,can judge wrong   connection,short circuit and open circuit.
2. Switch ON shows the normal grade,S is slow automatic grade,M is manual.
3. It can test BNC cables of the same axes.

II. Test of double-twisted cables: Switch on the power,and put cables into both main tester and remote tester.The lights of the main tester will turn on equently from 1 to G.
Main Tester: 1-2-3-4-5-6-7-8-G
Remote Tester: 1-2-3-4-5-6-7-8-G(RJ45)
Following are erroneous connections:
1. If one cable,for example cable No.3 is open circuited,the two No.3 lights of the main tester and remote tester will not turn on.
2.  If several cables are not connected,several lights will not turn on respectively.If less than two cables are connected ,none of the lights is on.
3. If two ends of a cables is disordered,for exampal No.2 and No.4,then displays on:

Main Tester: 1-2-3-4-5-6-7-8-G
Remote Tester: 1-4-3-2-5-6-7-8-G

4. If two cables are short circuited,neither of the corresponding lights is on of the remote tester while main tester remains unchanged.If three cables,including three,are short circuited,none of the corresponding lights is on.

III. If test patch panels or wall plate outlets,two cables which can match wach other(eg 110P4 and RJ45)will ne connected to the tester.

IV. If test cables of the same axes,BNC turns on when the cables works.