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6: oPeRATIoN

6.1 General Information:

 

The CNT 10 L Tester performs it`s tests when the 

single button on it`s front panel is pressed and 

released. 6 Status LEDs indicate the condition of the 

cable being tested, as well as informing the user that 

Power is turned on, and that the battery is good (or 

bad). 8 additional connection LEDs light to indicate 

that specific wires in a cable are connected. 
Note: Only one cable can be tested at a time. i.e. 

A BNC cable and an RJ-45 cable cannot be tested 

simultaneously.

6.2 The MAIN and ReMoTe unit:

 

The CNT 10 L Tester consists of a Main unit and a 

Remote unit. The Remote unit stores conveniently 

on the bottom of the Main unit. lt can be removed or 

replaced by sliding it from left to right or right to left 

respectively. Use care when removing or replacing 

the Remote. Some of the plastic edges are a little 

sharp. 
The Remote is often attached to the Main unit when 

storing, when transporting, or when patch cables are 

being tested. The Remote is removed from the Main 

unit when an installed (in wall, ceiling, etc.) cable is 

being tested.

6.3 Testing Patch cables:

„Patch“ cables have both ends accessible at the 

same location. Usually, but not always, these cables 

are less than 25ft in length, and are not installed in a 

wall or ceiling. Since both ends are accessible, one 

end can be plugged into the 5 in 1 Main unit, and 

one end into the Remote unit. It is not necessary to 

remove the Remote unit from its docked position on 

the Main unit.

6.4 Testing lnstalled cables:

To test cables installed in ceilings or walls, or in 

applications that prevent the ends from being in the 

same location, the Remote can be detached from 

the Main unit. Once detached, the Remote can 

be attached to one end a cable, and the Main unit 

attached to the other end of the cable. These ends 

are often in different rooms and on different floors of 

a building.

CNT10L_Manual_en.indd   7

25.06.2019   14:19:13

Summary of Contents for CNT 10 L

Page 1: ...Network Cable Tester Manual CNT 10 L CNT10L_Manual_en indd 1 25 06 2019 14 19 12...

Page 2: ...es The 4 in 1 Cable Tester tests 4 common LAN and Computer cables It tests installed cables or patch cords with RJ 45 RJ 11 USB and BNC connectors It is intended to test cables with straight through c...

Page 3: ...first disconnecting it from all external circuitry Failure to observe this precaution may result in damage to the tester or injury to the user 2 6 Repairs and maintenance must only be carried out by q...

Page 4: ...sing 2 14 Do not modify this tester Changing the design may make the tester unsafe and may result in injury to the user 2 15 Do not use this tester if it has undergone long term storage under unfavora...

Page 5: ...ded STP or unshielded UTP LAN cables 3 12 Test shields in USB cables 4 1 Cables Tested UTP and STP LAN cables Terminated in RJ 45 male connectors ElA TIA 568 RJ 11 cables with male connectors 2 to 6 c...

Page 6: ...Contents 6 5 1 Test Button 5 2 Main Display 5 3 RJ 45 Jack 5 4 RJ 11 Jack 5 6 USB Jack 5 7 BNC Jack CNT10L_Manual_en indd 6 25 06 2019 14 19 13...

Page 7: ...The Remote is often attached to the Main unit when storing when transporting or when patch cables are being tested The Remote is removed from the Main unit when an installed in wall ceiling etc cable...

Page 8: ...with light and the Beeper will sound once 6 6 4 Connected LED Lo Hi Beep Numbered LEDs If the Connected LED lights and the Beeper emits a LoHi beep examine the numbered LEDs i e LEDs numbered 1 to 8 a...

Page 9: ...n crossed This seldom affects the performance of Standard analog telephone lines POTS Digital telephone lines and old touch tone phones may be polarity sensitive so a cros sed cable may prevent them f...

Page 10: ...p or put in ser vice and it tests as Open or Crossed the RJ connec tors have probably been installed incorrectly Shorts very seldom occur as the result of a badly crimped RJ connector so the user shou...

Page 11: ...e cable will test ok But when the cable is tried on the LAN it does not work This is because the Iack of the proper pairing causes exces sive cross talk in the cable Preventing the LAN from working Th...

Page 12: ...e line rings 7 6 4 The CNT 10 L says my RJ 11 phone cable is good but my phone doesn t work First make sure the telephone line is active The good cable may result in a reversed line The line is not ac...

Page 13: ...justments Calibration is not required To clean the outside of the tester use a cloth dampened with a mild detergent solution Do not use any abrasive cleansers or chemical solvents that may damage the...

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