Pro's Kit MT-7028 Bedienungsanleitung

MT-7028

Network Toner & Probe Kit

User’s Manual

3rd Edition,

Thank your for your purchase of Pro’sKit MT-7028 Network Toner & Probe Kit.

The Toner and Probe set is used to quickly trace and identify cables or wires

within a group and also check the operation of telephone lines. With proper

use and care, this instrument will provide many years of reliable service.

SPECIFICATIONS

MT-7028 Transmitter specifications

Tone frequency

1kHz

Max. distance of transmission

≧3km

Max. distance of cable map

300m

Max. working current

≦65mA

Tone mode

Hi/Low two-note tone

Cable test socket

Test socket : for RJ45(8 pin)/RJ11(6 pin)

cable map test.

RJ45 SCAN socket : for RJ45 locating

individual wire pairs

RJ11 SCAN socket: for RJ11 locating

individual wire pairs

Test Cable types

RJ45 Lan cable Cat 5、5e、6(UTP/ STP)、

RJ11/12 Telephone cable Cat 3

(6P/2C/4C/6C)

Scan Cable types

RJ45 Lan cable Cat 5、5e、6(UTP)、

RJ11/12 Telephone cable Cat 3

(6P/2C/4C/6C)

Function selection

5 Push button switch (POWER、SCAN、

TEST、Ω、POL)

Continuity test

1 LED (≦300Ω), Coaxial cable & normal

solid/Stranded wire by alligator clips patch

cord.

Max. signal voltage

10Vp-p

Cable map indication

8 LEDs, Fast/Slow dual speed

Shielded indication

1 LED

Phone line polarity indication

1 Dual color LED

Live telecommunication

equipment test and router test

Yes

Voltage protection

DC 48V

Auto power off

1 hour

Low battery display

6.5V (Power LED flashes)

Battery type

DC 9.0V (NEDA 1604/ 6F22 DC9V ×1pcs)

Dimension (L×W×D)

138×80×35 mm

Weight

140g

MT-7028 Receiver specifications

Frequency

1kHz

The Max. working current

≦90mA

Compatible connectors

RJ45(8 pin)/RJ11(6 pin)

Function selection

4 Position mode switch (LED、NCV、OFF、

SCAN)

Earphone jack

Signal status indication

1 LED & Buzzer

Cable map indication

8 LEDs

Shielded indication

1 LED

NCV indication

1 LED (AC90~1000V，≥50mm，≤100mm)

LED illumination

1 LED

Power indication

1 LED

Battery type

DC 9.0V (NEDA 1604/ 6F22 DC9V ×1pcs)

Dimension (L×W×D)

203×50×32 mm

Weight

100g

Warning

•Never use the Transmitter or Receiver on circuits of more than

DC 48V.

•Never use the Transmitter, Receiver, or test leads if they are

damaged. Inspect the cases and test leads for damage before

use.

•Disconnect unused test leads and connectors from the

Transmitter when testing telephone circuits.

•Never open the case except to change the battery or the fuse;

no user-serviceable parts are inside.

•Turn off the Transmitter or Receiver and disconnect all test

leads before replacing the battery.

•Use only a 9V battery, properly installed in the case, to operate

the Transmitter and Receiver.

•If this equipment is used in a manner not specified by the

manufacturer, the protection provided by the equipment may be

impaired.

Caution

•Avoid touching the Receiver tip to patch panel connections and

using the tip to dig into cable bundles. Doing so regularly may

damage the Receiver tip over time.

•To avoid unreliable test results, replace the battery as soon as

the low battery indication appears.

INTRODUCTION

MT-7028 Transmitter：

MT-7028 Transmitter Diagram

1.Test socket

2.RJ11(6 pin) Scan connectors

3.RJ45 Scan connectors

4.「1~8、G」Cable map & Shielded indication

5.「SHORT」Continuity test indication

6.「Ω」Continuity function indicator

7.「SCAN」Locating and Isolating cables function indicator

8.「POWER/BAT LOW」Power ON/OFF & Battery low indicator 9.「TEST」

Cable map & Shielded function indicator

10.「POL－/G，POL＋/R」Phone line polarity indication

11.「POL」Phone line polarity function indicator

12「」 Isolating cables function push button

13.「」 Continuity function push button

14.「」 Power ON/OFF push button

15.「」 Cable map & Shielded function push button

16.「」 Phone line polarity function push button

17.Battery cover

MT-7028 Receiver Diagram

1. Probe

2. LED illumination

3. Power ON/OFF indicator

4. NCV indicator

5. Signal status indicator

6. Volume control

7. Earphone jack Φ3.5mm

8. Function selection

9. Speaker

10. 「」 Locating and Isolating cables function push button

11. 「1~8、G」Cable map & Shielded indication

12. RJ45(8 pin)/RJ11(6/4/2 pin) Compatible connectors

13. Battery cover.

OPERATION

1. Locating and Isolating Cables：

Using MT-7028 Networking Tone & Probe kit to locate and insolate cables

using the 1KHz analog, also trace twisted wires (UTP,Cat 5, Cat 5e, Cat 6)

and telephone line. Use with a patch cord for RJ45 / RJ11. Coaxial cable,

general cable and various wiring boards can be tested by using with alligator

clip cable.

Warning

•It is not intended to be used on live wires with a DC power

source (e.g., live telephone lines), nor will it work on wire pairs

that are carrying AC signals.

•Use RJ45 SCAN compatible connector for RJ45 cable tracing.

Use RJ11(6 pin) connector for RJ11(6P/6C/4C/2C) cable tracing.

Use RJ11 (6 pin) connector and work with alligator clips for

coaxial cable, general cable and various wiring boards.

Caution

•To locate and isolate cables using the 1KHz analog toning mode,

please avoid interference sources like electronic devices with

adapter, induction coil, and motors nearby. White noise from

MT-7028 Receiver is normal when your Transmitter is near any

of the interference. If you cannot locate the signal on

2-conductor cables, the cable may be shorted. Please keep

away from the interference sources or turn off the electronic

devices.

•The position on the MT-7028 Transmitter and Receiver lets you

use the Receiver to trace using an analog 1KHz tone. When

using the Receiver to isolate the tone source in the cable bundle

or at the patch panel, the signal might be interfered with or

decreased and the signal will not pass through metal tubes.

•It is not necessary to touch the Receiver’s tip to the cabling or

patch panel when searching for the Transmitter’s signal.

•Make sure the black alligator clip of the Transmitter is connected

to the ground before use.

•When using the MT-7028 networking tone and probe kit with

earphone to locate and isolate cables, please keep probe tip

away from earphone to avoid the interference of resonance

effects

MT-7028 Transmitter provides two 1 KHz analog toning modes, Hi/Low

two-note tone, for location and isolating cables. Both toning signals are

available at all connectors on the Transmitter.

2.Locating Individual Wire Pairs with the MT-7028 Analog Function

To locate cables, do the following steps (Figure 1)：

1) Connect the black alligator clip of the Transmitter to the ground,

and then connect the red clip to a jack or punch-down block as

shown in Figure 1.

2) As the Figure 1 shown, when push , the indicator of “POWER/

BAT LOW” will light up and turn on the power. Push button

for cable tracing. When the RED indicator flickers, the low-tone

cable tracing is working. Push button again to feature the

high-tone cable tracing, the RED indicator will flicker faster. Push

button again, the RED indicator will stop and standby for next

operation.

3) As the figure 1 shown, place the receiver function switch at "scan"

or "LED", and push “ ” on receiver to operate cable tracing

function. The tracing sound will be output from speaker. When put

on earphone, there will be no sound from speaker, but from the

earphone.

4) Use the Receiver to find the general location of the tone at a cable

rack, patch panel, or behind a wall. In locating mode, the

Receiver’s signal status indicator LED will light up, the LED

brightness depends on signal strength, if the indicator does not

light up, there is no signal.

5) Adjust the volume control on the receiver to locate the wire pairs

from 10cm to 30cm.

Figure 1 Locating cables

3. Isolating Cables

To isolate the tone source in the cable bundle or at the patch panel, do the

steps as described in the previous section of “Locating Cables”.

1) Strip the cable’s shield to a length of between 30 to 45 centimeters

and divide the wires into two parts. Do the wire separation to

isolate the cables to verify the signal of each part. If the beeper

gets louder and LED lights up, you have located the position you

are looking for.

2) Adjust the volume control from high low to locate the wire that

more difficult to be identified. Narrowing the length from 30 to 10

centimeters will help to more accurately identify the wire pairs.

3) Repeat the steps of 6 and 7 to isolate the bundled cables.

Caution

•If you cannot locate the MT-7028 signal on 2-conductor cables,

the cable may be shorted or opened. Use the Continuity Test

(Fig. 2) to check for shorts or opens on coax and non-terminated

cables.

Figure 2 Isolating Cable

4. Cable Map Testing：

Caution

•When use the product for RJ45 or RJ11 cable mapping, please

only plug in the cable to the RJ45/RJ11 “TEST socket”on the

transmitter. Do not use RJ45 SCAN or RJ11 SCAN socket.

•You can use the MT-7028 Transmitter or Receiver to validate

the cable map on RJ45/RJ11 by RJ45/RJ11compatible

connector on transmitter. The cable map function finds the most

common wiring faults on twisted pair cabling: shorts, opens, and

crossed pairs.

1) Connect the MT-7028 Transmitter or Receiver to RJ45/ RJ11

jacks.

2) Push “ ”, the indicator of “POWER/ BAT LOW” will light up and

turn on the power. Push “ ” on MT-7028 transmitter for cable

mapping and shielded function indication. When the green LED

indicator flickers slowly, the slow speed scan is working. Push

the “ ” button again, the green LED indicator flickers faster

and the fast speed scan will be operated. Push the “ ” button

again; the product will be standby for next operation.

Caution

•Each LED that corresponding to an active pin flashes briefly, and

then should light for about 1 second. For fast scan cable

mapping, the light will be flicker about 0.5 second, from 1 to 8, G.

If the cable is open, the LED indicator will not light up.

•Before cable map testing, repeat the procedures of “Locating

Cables” on page 7 to identify the correct connector or wires on

the other end of the cable if necessary.

Figure 3 Validating Cable Maps

3) Different connectors generate different LED and sound

indications as shown in Figure 4.

•RJ45(8P/8C) LED indication：MT-7028 Transmitter (from 1-8

seconds in sequence) is synchronized with the MT-7028

Receiver cable map.

•RJ11(6P/6C, 6P/4C, 6P/2C) LED indication：MT-7028

Transmitter cable map, 6P/6C each second from 2 to 7 in

sequence, 6P/4C each second from 3 to 6 in sequence, 6P/2C

each second from 4 to 5 in sequence is synchronized with the

MT-7028 Receiver cable map. If it encounters an empty line,

the indication will cease.

Figure 4 Different Connector’s Cable Map

4) You can use the MT-7028 Transmitter and Receiver to validate

the cable map on RJ11 and RJ45 connectors. The cable map

function finds the most common wiring status on twisted pair

cabling: good, shorts, opens, and crossed pairs as shown in

Figure 5

•Good wiring: Each LED that corresponding to an active pin

flashes briefly and in a stairway order.

•Shorts: If two LEDs turn on for 1 second at the same time, those

two pins are shorted together. If more than 2 wires are shorted

together, the LEDs for the shorted pins indicate opens.

•Opens: If an LED flashes briefly, then no LEDs turn on, that pin is

open.

•Crossed pairs: If one LED flashes briefly, then another LED lights

for one second, the wire for the first LED is crossed pairs to the pin

for the second LED.

5) Each LED corresponds to an active pin flashes briefly, it should

light for about 1 second. The brief flash shows which LED is next

in the sequence.

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