Senter ST230 Manuale utente

TELEPHONE LINE TESTER

ST230 TELEPHONE LINE TESTER

USER MANUAL V3.0

TELEPHONE LINE TESTER 
 

Contents 
 
Summary...............................................................................................................................1 
Layout....................................................................................................................................1 
1 Tester............................................................................................................................1 
2 Front faceplate.............................................................................................................2 
3 Tester faceplate............................................................................................................2 
Specifications........................................................................................................................3 
Dimension & weight ..............................................................................................................3 
Operation environment..........................................................................................................3 
Operation directions..............................................................................................................4 
1 Telephone functions.....................................................................................................4 
1.1 Dialing................................................................................................................4 
1.2 Receiving...........................................................................................................4 
1.3 Redial.................................................................................................................4 
1.4 Incoming call number display............................................................................4 
1.5 Mute function.....................................................................................................5 
1.6 P/T transfer function..........................................................................................5 
1.7 High DC voltage indication................................................................................5 
2 Tester test.....................................................................................................................5 
2.1AC V & DC V test...............................................................................................5 
2.2 Insulation test.....................................................................................................5 
2.3 Open test...........................................................................................................6 
2.4 Earth insulation..................................................................................................6 
3 Call user & talk.............................................................................................................6 
4 Phone test....................................................................................................................6 
5 Check wire pairs...........................................................................................................6 
6 Monitor.........................................................................................................................7 
7 High AC voltage alarm.................................................................................................7 
8 Under voltage self-checking ........................................................................................7 
9 Charge .........................................................................................................................7 
10 Accompanied earphone (Optional)............................................................................8 
Notes.....................................................................................................................................8 
Accessories...........................................................................................................................9 
1 Main test line................................................................................................................9 
2 RJ11 linking line...........................................................................................................9 
 
 
 

TELEPHONE LINE TESTER

1. Summary

This Telephone Line Tester is one portable and intelligent line fault tester, which adopts

advanced technologies such as intelligent CPU, IC & SMT technology. It integrates various

kinds of functions such as telephone, line performance test and safe test to be the one.

The incoming call number display function is compatible with FSK/DTMF two types. Its

particular function of AC voltage detect and test can judge whether there is dangerous AC

high voltage in the line or not quickly and accurately in order to protect lineman from high

voltage.

The tester is designed following the human engineering theory with the appearance style like

barbell, it can be put on the shoulder, the lineman can do other work using hands at the same

time; besides, it can be hung in the tool belt of waist through the pothook, it is convenient to

realize the talk function cooperate with the high quality earphone when the lineman is

climbing or doing other things; inner chargeable NI-MH battery can works about one week

after full charging; the shell is made of the new type of material and it is solid.

2. Layout

2.1 Tester

①The telephone line tester shell

②Belt clamp---use it to hung tester in tool belt of waist or cable

③Terminal box---operate with assistant test line

④Test clamp

⑤Charge jack

⑥Headphone jack

⑦Assistant test line---operate with terminal box

⑧Charger

TELEPHONE LINE TESTER

2.2 Front faceplate

①---HOOK

②*/P…T—“*” and P/T

③LCD—Display telephone number and test result

④REDIAL

⑤MUTE

⑥Dial key—1……9,*, #

⑦on line H-DCV LED indicator—If there is high DC voltage（70V<voltage<250V）on the line,

the indicator will be lighted.

⑧Charger LED—this light will be on when the tester is charging

⑨H-ACV LED indicator—If there is high AV voltage on the line, the H-ACV indicator will be

lighted.

⑩Talk indicator light—this light will be bright when talking.

2.3 Tester faceplate

①Phone/Tester

Press it to enter test status; loose it to enter telephone status.

②Talk

Press it and cooperate with key ①to talk; then cooperate with the key ③to call user.

③Call MΩ

Press it after press ①key to test line insulation; press it after press ①and ②to call user.

④Mon

Press it in telephone status and it will be in monitor status; press it after press key ①and it

will be inAC voltage test status.

TELEPHONE LINE TESTER

3. Specifications

◆DC V test

Range: 0～260V, Error: ±5％

◆Insulation impedance test

Range: 0~10MΩ, Error: ≤±5％±0.1 MΩ

Range: 10~30MΩ, Error: ≤±10％±0.5MΩ

◆AC voltage test function

◆Ring distance ≤ 1Km

◆Open resolution ≤ 2Km

◆Monitoring resistance ≥1MΩ

◆DTMF applying to GB/T15279

◆CID function, FSK/DTMF compatibility

◆Telephone number dial and display function

◆Mute function

◆P/T transfer function

◆High voltage indication

◆Checking wire pairs function

◆Battery: rechargeable 9V NI-MH battery

4. Dimension & weight

◆Dimension（mm）: 232×73×95

◆Weight （kg）: 0.5

5. Operation environment

◆Environment temperature: -10℃~55℃

◆Relative humidity: 10%~95%

TELEPHONE LINE TESTER

◆Environment noise: ≤60dB

◆Atmospheric pressure: 86~106Kpa

6. Operation directions

6.1 Telephone functions

Connect test clamp to telephone line directly or through assistant test line, it can be used as

telephone to dial, talk and realize caller ID.

6.1.1 Dialing

Press HOOK key, talking LED is on and there will be a sound, to dial number.

Example: Dial number of 3584060 and the LCD will display like followings:

Press HOOK key to end talk.

6.1.2 Receiving

Press HOOK key to talk when the tester is ringing, press HOOK key to end talk.

6.1.3 Redial

Press “REDIAL”, you can redial last telephone number. If it is busy, please hang and press

redial again.

6.1.4 Incoming call number display

This function is only used in the line which has incoming call number display service and the

function can check the line repair quality, the incoming call number will be displayed when it

receives the FSK or DTMF incoming call. The number can be refreshed automatically.

If the incoming call number is secret and it will be displayed as:

If the size of incoming call number exceeds the range and it will be displayed as:

If the incoming call signal is wrong and it will be displayed as:

3 5 8 4 0 60

. . . P . . .

. . . 0. . .

. . . E . . .

TELEPHONE LINE TESTER

6.1.5 Mute function

Loose all keys, connect clamps to the telephone line, press Hook and then press “MUTE”,

the other side can not hear our voice, and press “MUTE” again, it becomes normal.

6.1.6 P/T transfer function

Loose all keys, under hook-off status and no ringing signal, this tester can do P/T transfer

operation. Pressing “*” more than 3 seconds can realize pulse dialing and tone dialing

transformation, after successful transformation, the LCD will display “pulse” or “tone”.

6.1.7 High DC voltage indication

Connect this tester to the telephone line, if there is high DC voltage, the H-DCV light will be

bright all the time. Please do not off-hook in order to damage the tester.

Notice:

1. If the line has highAC/DC voltage, please do not use telephone function.

2. Only the line which has opened caller ID service can has caller telephone number function.

3. Line high voltage indicator can only apply to lines with low current and the range can not

exceed 250V.

6.2 Tester test

Press “Phone/Tester” and connect test line of tester to user line, which will be tested, you

can have the tests like followings:

6.2.1 AC V & DC V test

In the normal status, press “Phone/Tester” (“Phone/Tester” LED on) to have the voltage test.

It means that there is high AC voltage in the line if the LCD display like following and there is

fluting sound. Please take the clamp quickly.

The LCD will display the line voltage value automatically if there is DC voltage in the line. In

the following graph, it means that there is minus 64.6V DC voltage in the line; the line, which

is connected by the red clamp, is negative port and the black clamp is positive port.

Purpose: This function can be used to test whether the ringing up/off voltage of line is normal

or not; it can help lineman to distinguish the positive port and negative port of the line quickly

in order to ensure whether they connect the line correctly or not when install the relevant

equipment.

6.2.2 Insulation test

Press “Phone/Tester” in the normal status to judge there is no voltage in the line, and keep

－64.6V

TELEPHONE LINE TESTER

pressing “Test” about 3 seconds to test the insulation. The LCD will display the insulation

resistance figure automatically like the following graph. If the insulation resistance is less than

10MΩ and there is the fluting sound, it means that the insulation resistance figure of the line is

in small side; there is bad insulation fault.

Please take off the user phone if you want to test the insulation resistance of the line.

It can be confirmed whether the fault has been canceled or not through the line insulation test

after check the user line.

6.2.3 Open test

In the normal status, connect the tester to the line which will be tested and press

“Pone/Tester”, after confirm there is no voltage in the line, keep pressing “Test” for about 3

seconds. It means that the line is break if the LCD only displays 9999MΩ.

6.2.4 Earth insulation

Like the above operation, connect the black clamp to earth line and the red clamp to the line

which will be tested. The LCD will display the earth insulation degree.

6.3 Call user & talk

Connect the test line of tester to passive user’s line, press “Phone/Tester” (“Phone/Tester”

LED on), press “Talk” after judge there is no voltage in the line and then press “Test”, you

can call user telephone of the line. After both sides is off hook, and loose “Test”, enable to

talk.

This function can be used to check the line maintenance.

6.4 Phone test

The phone quality of users can be tested by the tester.

Connect the tester line to the user phone through clamp or assistant line and ring the user

phone, it means that the user phone is normal if it rings normally; the phone quality is good if

the quality of the communication voice is good, otherwise, there are faults in the phone.

6.5 Check wire pairs

Firstly, side A and side B are in normal communication status from the agreed line. The man

in side A tell the man in side B which line links with the red clamp, and appoint this line as

16.4 MΩ

TELEPHONE LINE TESTER

assistant line. The man in side B twist one of needing checking lines with the assistant line

and still keep in communication status with side A. Then, the man in side A use the assistant

line C which insert into the charge hole to touch the core line one by one, until both sides hear

flute sound , which means the same line in two ends. Then check other line in the same way.

6.6 Monitor

This function can monitor and check line without influence to the user normal communication.

①Press MON button ( LED is on);

②Connect the two clamps to the line which is talking, the tester can clearly hear the voice on

the line.

6.7 High AC voltage detect and alarm

Press “Phone/Tester” and then press when the tester is near the line circuit which

has high AC voltage; LED is on and there is alarm sound. Please take care and

operate it carefully!

Purpose: the safety of the line can be tested before by using this function and to avoid the

danger effectively.

Notice: This function is the accessorial function, please operate it according to the

manual and the manufacturer does not respond for damages.

6.8 Under voltage self-checking

After press “Phone/Tester”, if it displays and there is the sound “di di…", it means the

battery is low voltage. Please loose “Phone/Tester” and charge the tester. Please do the

charge before your using.

6.9 Charge

Insert the output plug of charger into charge hole, and then insert the charger into 220V

socket, the charger LED is on. The 8 to 10 hours charge duration is the best. Please do not

press “Phone/Tester”during the charge process; otherwise, there will be the fluting sound. If

you do not use the tester for a long time, please charge it full for storage, and charge the

tester every 30 days.

Note: reference values of duration time under different status as below:

TELEPHONE LINE TESTER

180mAH NI-MH battery

Theoretic service time

Actual use time

Standby time

80 days

More than 30 days

Talkback

4 hours

More than 2.8 hours

Insulation test

3 hours

More than 2.7 hours

Voltage test

10 hours

More than 8 hours

Induction voltage

5 hours

More than 4.4 hours

Monitor

18 hours

More than 15 hours

6.10 Accompanied earphone (Optional)

Earphone jack is on the upside. Hang the tester in tool belt of waist or cable by Belt Clamp,

using earphone accessory can liberate the hands of the user.

7. Notes

Before using this tester, you should use high AC voltage detect and alarm function to

make sure there is no high AC voltage in the line, and use voltage test function to

make sure there is no high DC voltage in the line, after that, you can use other

functions, which not only protects user safety but also protects the tester from

damage.

◆During the test, there will be the dangerous voltage in the line when you press the test

keys, please pay attention to the safe and do not touch the test clamp.

◆If there is “V”, which is displayed in the LCD during the test, it means that there is high DC

V in the line, please take the clamp and pay attention to the safety.

◆The distance where tester can detect the voltage is related to the high/low of the voltage

which is tested, the test environment and the weather; the voltage which is tested is higher,

the distance of electromagnetic eradiation is longer; the rain, snow and fog can absorb part of

electromagnetism, therefore, the test distance is small; if there is other bars such as the trees,

wall and so on, and they can absorb a part of electromagnetism and the distance is small.

◆Please loose all the keys to avoid discharge of the battery when the instrument is not

used.

◆Please check whether there is high AC V or DC V in the line or not before operate the

tester to avoid the damage to the instrument or person.

◆Take the clamp immediately if there is high DC V in the line.

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