Kurth Electronic CCTS-03 Manual

Kurth Electronic Måling CCTS-03

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Side 1/2

CCTS-03

Shield / metallic sleeve

CABLE

Free double wire

Wire under test

SET A

SET B

To find earth faults, the screen or cable sheath

must be earthed. The red test lead must then be

additionally connected to earth on the

transmitter side (TX).

ATTENTION! Do not use this connection for tests

on connected copper pairs!







SET A

SET B

Operating manual

Cable Conductor Test Set CCTS-03

The CCTS-03 cable conductor testing device is used to check conductors

for continuity, interchanging, interruption and earth fault. Due to micropro-

cessor-controlled technology, testing on active analogue and ISDN lines with

or without xDSL is possible for the ﬁ rst time. Simple and robust push-button

control with LED display simpliﬁ es operation in the ﬁ eld. Automatic switch-oﬀ

after approx. 100 min. prolongs battery life.

Start-up of the Cable Conductor Test Set

Connecting the devices

First, the headset is connected to CCTS-03 via the headset jack . CCTS-03 

is switched on by pressing the ON/OFF key >30 ms. The ON LED ﬂ ashes

rapidly. In this mode, the talk function is activated. A free pair of wires is

connected to the black banana sockets as a voice pair via the black test

leads, the polarity does not have to be observed. If earth fault testing is also

required, the test lead for the TX unit must also be grounded.

At the far end, connect the second CCTS-03 as well as the ﬁ rst device.

Voice connection is now active.

The red test cord is plugged into the red socket. One device must be set as

encoder (TX) and one device as evaluator (RX). This is done by pressing

and holding the RX/TX key for more than 2 seconds. The LEDs RX and TX

will be switched on and oﬀ one after the other. To activate the desired mode,

the key must be released according to the LED. The LED then starts ﬂ ashing

slowly to indicate the active mode. There is no need to make any further

settings for the device in TX mode.

Testing on free / unconnected wires

The device in RX mode is automatically adjusted to the maximum possible

line resistance after switching on the RX mode and can normally be used for

testing (unswitched wires) immediately without any additional adjustment.

Testing on live / connected wires

Since the resistance diﬀ erence between A- and B-wire is very small for con-

nected wire pairs, especially with ISDN-connected wires, it was impossible

to diﬀ erentiate between A and B so far. The CCTS-03 cable conductor tester

therefore has the possibility to carry out a microprocessor-controlled adjust-

ment. To activate it, proceed as follows: The probes are connected with a

reference wire on both sides. This can be a free or occupied wire. Because

the CCTS-03 analyzes resistance diﬀ erences smaller than <100 Ω, a good

conenction must be ensured

After applying the test probes to the wire to be tested (test tone must be

audible!), press the Auto Adjustment button on the instrument in RX mode

>1 sec until the RX LED starts ﬂ ashing rapidly. Release the button. The RX

LED ﬂ ashes rapidly during the entire adjustment process.

If the wire to be tested is not found or the calibration cannot be carried out for

other reasons (cable resistance too low <20 Ω or too high >3 kΩ, test probe

removed too early, or similar), a warning tone consisting of three short tones

sounds in the handset. Then the adjustment may have to be repeated. If this

is repeatedly negative, the connected twisted pairs must be separated at the

MDF and, if necessary, at the DMARC.

Automatic adjustment for connected wires

After placing the probe on the wire to be tested, press the Auto Adjustment

button in RX mode on the device >2 sec. The adjustment process starts after

releasing the key. The RX LED ﬂ ashes rapidly during adjustment. If the wire

to be tested cannot be found, a warning tone consisting of three short tones

sounds in the speaker. If it is the correct wire, the test tone sounds once for

approx. 1 second, then stops for approx. 1 second and then comes as a

constant tone. Only then is the device adjusted.

If the probe is removed, the test tone stops. If the test tone is not stable,

i. e. arrives with interruptions (stuttering) or if other wires also receive the

test tone without an error (e. g. switched ISDN lines), it can be ﬁ ne-tuned

by brieﬂ y (<2 sec) pressing the + - and keys. Normally you only have to

adjust in the direction minus ( ) as CCTS-03 always adjusts a little more in -

the direction . This adjustment is usually only necessary in extreme cases. +

Manual readjustment

If the test tone does not arrive stable on the wire to be tested, i. e. with

interruptions (stuttering), the evaluation is at the lower limit. Pressing the

+ button (<1 sec) once or twice brieﬂ y shifts the evaluation threshold, thus

stabilizing the tone.

If the test tone on the wire to be tested is evaluated in a stable manner and

the test tone arrives with stuttering on adjacent wires, the evaluation is at

the upper limit. By pressing the button (<1 sec) once or twice, the eva--

luation threshold is moved downwards and the tone on the adjacent wire

disappears.

After each manual adjustment, check again whether the tone on the wire

to be tested is still stable. This adjustment is usually only necessary in

border areas.

If, however, the test tone is permanently received (without interruption) on

other wires despite readjustment, there may be a cable fault which must be

checked for with the corresponding measuring instruments.

Testing the wires

Switch on both units as described and adjust if necessary. When the voice

connection is established, connects the red test cord with the wire to be A

tested and notiﬁ es B of this. If this wire has a touch to another wire or if it is

interchanged, the sound becomes audible. If there is no sound, places his B

probe  on the announced wire. If this is continuous, the sound becomes

audible. B now informs A that his probe is „on“. A now changes its probe

tip  to the next wire to be tested in the cable. No sound may be heard yet.

He communicates the request of the probe tip again to , which now also B

applies the probe tip to the announced wire. In this way, a higher-pair cable

can be checked quickly and easily.

Attention: The speech connection must be routed via a free pair of

wires!

If the adjustment is successful, the green LED stops ﬂ ashing quickly

and the test tone is continuously audible. Only then is the device

adjusted and the probes can be removed from the reference wire.

Kurth Electronic GmbH | Muehleweg 11 | D 72800 Eningen u.A. GERMANY | Tel. +49(0)7121 9755 0

Fax +49(0)7121 9755 56 | info@kurthelectronic.de | www.kurthelectronic.de

Kurth Electronic GmbH | Muehleweg 11 | D 72800 Eningen u.A. GERMANY | Tel. +49(0)7121 9755 0

Fax +49(0)7121 9755 56 | info@kurthelectronic.de | www.kurthelectronic.de

Tone audible if ground fault

Carry out this test only with connected lines!

Wires interchange (overdraft) if tone is audible

Speaking twisted pair

Test lead additionally

connected to ground

Test lead

30-STCC

CCTS-03CCTS-03

Contact between lines if tone is audible

Interruption or wrong wire if tone is not audible

Speaking twisted pair

30-STCC

CCTS-03CCTS-03

Test lead

Usages

CCTS-03

Housing Sturdy and impact-resistant, weatherproof ABS housing, front foil with short operation guide

Dimensions 160 x 95 x 35 mm

Weight 350 g with battery, test leads and lightweight headset

Power supply 9 V alcaline battery

Operation time Approx. 10 hours with one battery set

Test leads 150 cm test leads made from exible PVC with 4 mm banana plug

Connection Fully insulated alligator clips and probe tip

Universal headset

Weight Approx. 60 g

Features Receiver on one side left or right, noise compensated microphone

Operation

Voice communication Free wire pair, no polarity

Testing Free or live wire pair

Overvoltage protection Self-resetting power protection

Adjustment on occupied line Fully automated

Testing range Up to 2000 Ω

Talking range > 3000 Ω

Loop resistance

In regard to cable length without winding: Wire diameter 0.4 mm approx. 285 Ω/km

Wire diameter 0.6 mm approx. 117 Ω/km

Wire diameter 0.8 mm approx. 66 Ω/km

Type Description

0.49617 CCTS-03

Cable conductor test set CCTS-03, test leads 1.5 m, 2x black and 1x red, 2x fully insulated clips KLEPS30 black, 1x test probe PRÜF2 red,

1x universal headset, 1x Cordura pouch

Operating manual

Cable Conductor Test Set CCTS-03

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