MT Network Toner & Prope Kit

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1 MT-7028 Network Toner & Probe Kit 1-8 RJ RJ11 6P/6C 3-6 6P/4C 4-5 6P/2C LED OFF SHORT SCAN POWER TEST BAT LOW Ω G POL-/G POL+/R POL SCAN NCV MT SCAN Ω POL TEST NETWORK TONER & PROPE NETWORK TONER & PROPE MT-7028 TRANSMITTER 1-8 RJ RJ11 6P/6C 3-6 6P/4C 4-5 6P/2C RECEIVER 7 8 G User s Manual 1 st Edition, 2014 Copyright by Prokit s Industries Co., Ltd.

2 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. Index Overview..1 Features Unpacking 3 Specifications.. 3 Safety Information.. 5 MT-7028 Transmitter. 6 MT-7028 Receiver. 9 Locating and Isolating Cables 11 Locating Individual Wire Pairs with the MT-7028 Analog Function Isolating Cables 12 Cable Map testing 14 Live telecommunication equipment and router test 18 Coaxial Cable & Continuity Testing.. 19 Validating Telephone Service and Polarity.. 20 NCV (Non-Contact Voltage) Testing.. 21 Battery Life and Replacement 22 Maintenance & Trouble shooting 23 OVERVIEW The MT-7028 let you easily locate and verify the cable status and troubleshoot wiring for continuity, shorts, opens and crossover on RJ45 Lan cable Cat 5 5e 6 7 (UTP/STP) RJ11/12 Telephone cable Cat. 3 (2/4/6 pin) & normal solid/stranded wire by alligator clips patch cord. Ideal for all installation and maintenance fields of telecommunication, networking, datacom, Audio/Video, cable TV, and all weather cabling, etc. FEATURES Wire Tracing up to 3KM The tone and probe kit lets you easily track wire directly in connection with live telecommunication equipment and router. Cable Mapping & status Indication up to 300M Fast/Slow scan functions. Display the result of pin to pin cable mapping. 1

3 Display cable status and troubleshoot wiring for continuity, shorts, opens and crossover. Non Contact Voltage detection Tests voltage from 90 ~ 1000V, special design to make sure the power is off before testing for circuit protection. Polarity indication Identify the telephone line polarity easily. Energy saving Automatically powers off after 1 hour of no operation. ADVANCED FEATURES MT-7028 Transmitter generates: 1KHz audio signal with two-tone (high / low) for selection. The maximum distance of transmitter is 3 kilometers. Works with MT-7028 receiver by volume adjustment feature can precisely find the break point in the range of 10~30cm. The MT-7028 receiver contains indicated LEDs which is more accurate for testing. MT-7028 Transmitter works with the receiver for cable mapping by LED lights indication. The instrument can verify cable status for continuity, shorts, opens and crossover on RJ45 Lan cable and RJ11 telephone cable and test shielding/ unshielded wire. The maximum length that can be tested is 300 meters. MT-7028 Transmitter: LED indicators to detect the common wire resistance (> 300Ω) for bad connection. MT-7028 Transmitter has 60V AC or DC 48V protection. Telecommunications equipment and routers can be tested in live Electrical environments without turning off the power. The transmitter can also identify the positive and negative polarity telephone lines. MT-7028 Transmitter:with low battery indication function and will turn off automatically after one hour non-working. MT-7028 Receiver:with Non Contact Voltage detection feature which can detect AC voltage from 90~1000V to avoid danger and damage by detecting the voltage in advance. MT-7028 Receiver:with LED lighting and earphone jack to allow the product to be used in noisy or dark environments. 2

4 MT-7028 Transmitter:with dual jacks for RJ45 Lan cable and RJ11 telephone line. The transmitter can be tested with a patch cord for RJ45 / RJ11. Coaxial cable, general cable and various wiring boards can be tested by using with alligator clip cable. PACKING The MT-7028 product comes with the accessories listed below. If any accessory is damaged or missing, contact the place of purchase immediately. MT-7028 Network Tone and Probe Kit packing: MT-7028 Transmitter. MT-7028 Receiver. RJ45 (8 pin) to RJ45 (8 pin) patch cords. RJ11 (6 pin) to RJ11 (6 pin) patch cords. RJ11 (6 pin) to alligator clips patch cord. Earbud Storage bag. User s manual. 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 RJ45(8 pin)/rj11(6 pin) compatible connectors for RJ45(8 pin) Compatible connectors RJ11/12(6P/2C/4C/6C) cable map and RJ45 tone RJ-11(6 pin) connectors for RJ11/12(6P/2C/4C/6C) tone RJ45 Lan cable Cat 5 5e 6 7 Cable types tested (UTP/STP) RJ11/12 Telephone cable Cat 3 (6P/2C/4C/6C) 5 Push button switch (POWER SCAN Function selection TEST Ω POL) 1 LED ( 300Ω), Coaxial cable & normal Continuity test solid/stranded wire by alligator clips patch cord. Max. signal voltage 8Vp-p 3

5 Cable map indication Shielded indication Phone line polarity indication Live telecommunication equipment test and router test Voltage protection Auto power off Low battery display Battery type Dimension (L W D) Weight 8 LEDs, Fast/Slow dual speed 1 LED 1 Dual color LED Yes AC 60V or DC 48V 1 hour 6.5V (Power LED flashes) DC 9.0V (NEDA 1604/ 6F22 DC9V 1pcs) mm 140g MT-7028 Receiver specifications Frequency 1kHz The Max. working current 50mA Compatible connectors RJ45(8 pin)/rj11(6 pin) Function selection 3 Position mode switch (NCV OFF LED) Earphone jack 1 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 Battery type DC 9.0V (NEDA 1604/ 6F22 DC9V 1pcs) Dimension (L W D) mm Weight 80g Transmitter drop test(shock and Vibration):1 Meter Operating temperature:0 ~ 50 (32 ~ 122 ) Storage temperature:-10 ~ 60 (14 ~ 140 ) Operating humidity:20% - 75% RH Storage humidity:10% - 90% RH Operating altitude:3,000 meters Storage altitude:10,000 meters 4

6 SAFETY INFORMATION Table 1 describes the international electrical symbols used on the tester and in this manual. Table 1. International Electrical Symbols Warning:Risk of personal injury. See explanations in the manual. Caution:Risk of damage or destruction to equipment or software. See explanations in the manual. Warning:Risk of electric shock. Please keep an eye on the status or function of the equipment while operating. This equipment not for connection to public communications networks, such as active telephone systems. Warning Never use the Transmitter or Receiver on circuits of more than AC 60V or 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. 5

7 INTRODUCTION MT-7028 Transmitter: RJ RJ 11 6P/6C 3-6 6P/4C 4-5 6P/2C 9 4 SHORT G POL - /G POL+/R 10 5 Ω SCAN POWER TEST BAT LOW PO L 8 6 SCAN TEST 7 11 Ω POL NET W ORK TONER & P R OPE MT TRANSMITTER 15 Figure 1 MT-7028 Transmitter Diagram 1. RJ45(8 pin)/rj11(6/4/2 pin) Compatible connectors: Used for RJ45/ RJ11 cable mapping and RJ45 cable tracing. When used for RJ45/ RJ cable mapping, please connect the cable to RJ45(8 pin)/rj11(6/4/2 pin) Compatible connectors of MT-7028 receiver to start the function. Caution! Do not plug in any live cable to the RJ45(8 pin)/rj11(6/4/2 pin) Compatible connectors. RJ11 cable tracing can not be operated by this connector. 6

8 2. RJ11(6 pin) Connectors:Used for RJ11 (6P/6C/4C/2C) cable tracing. Caution! Do not plug in any live cable over AC 60V/ DC 48V to the transmitter. 3. 1~8 G Cable map & Shielded indication:work with MT-7028 receiver for RJ45/ RJ11 cable mapping indicated by 8 LED and for shielded/unshielded indication. 4. SHORT Continuity test indication:when the indication lights up means the resistance of cable is less than 300Ω or the cable is short. If the indication doesn t light up, it means the resistance of the cable is over 300Ω or the cable is open. 5. Ω Continuity function indicator:push button to start continuity/ short features when the indication lights up. 6. SCAN Locating and Isolating Cables function indicator:push button for cable tracing feature. When the indication LED flickers slowly, it means low-tone tracing function is working. Push scan button again to switch to high-tone tracing function and the indication LED will flicker faster. 7. POWER/BAT LOW Power ON/OFF & Battery low indicator:push button to turn on the transmitter. When the indication lights up, the product is working. Select different functions by pushing other buttons. When the battery voltage is less than 6.5V, the indication LED will flicker, please replace a new battery for the product. 8. TEST Cable map & Shielded function indicator: Pushing for cable mapping and shielded function indication. When the LED flickers slowly, the low speed scan is working. Push the TEST button again, the fast speed scan will be operated. 9. POL-/G,POL+/R Phone line polarity indication: This is a dual color LED. When the red alligator clip connects positive polarity and black alligator clip connects negative polarity, the LED will be in RED color. If the 7

9 alligator clips connect in opposite way, the LED will be in GREEN color. If the LED did not light up, it means there is no electrical on the cable. 10. POL Phone line polarity function indicator:push button to operate the feature of phone line polarity checking. 11. Isolating Cables function push button:push button for cable tracing feature. When the indication LED flickers slowly, it means low-tone tracing function is working. Push scan button again to switch to high-tone tracing function and the indication LED will flicker faster. 12. Continuity function push button:push Ω button to start continuity/ short features when the LED lights up. 13. Power ON/OFF push button:push button to turn on the transmitter. Push the button again to turn off the transmitter and the POWER/ BAT LOW indicator will be off as well. 14. Cable map & Shielded function push button: Push for cable mapping and shielded function indication. When the light flickers slowly, the low speed scan is working. Push the TEST button again, the fast speed scan will be operated. 15. Phone line polarity function push button:push button to operate phone line polarity function. 16. Battery cover 8

10 SCAN MT RJ RJ 11 6P/6C 3-6 6P/4C 4-5 6P/2C RECEIVER G LED OFF NCV MT-7028 Receiver: NETWORK TONER & PROPE Figure 2 MT-7028 Receiver Diagram 1. Probe:Used for cable tracing and NCV detection. 2. LED illumination:used for dark working environment. 3. Power ON/OFF indicator:the indicator will be lighted up when the switch at LED or NCV position and the receiver started the functions. When the switch at OFF position, the indicator will be light up when pushing button for cable tracing. 4. NCV indicator:when the probe closes to the tested object to detect the voltage, the indicator will light up if the object carried AC90~1000V. If the indicator did not light up, there is no voltage detected from the object or the AC voltage is less than 90V. 5. Signal status indicator:when doing cable mapping by probe, if the indication LEDs (1~8) more light up, the signal is stronger. 6. Volume control:by adjusting the volume from high to low to adjust the sensitivity of probe. Move the position of receiver from 30 cm to 10cm to find out the cable you are tracing. 9 12

11 7. Earphone jack Φ3.5mm:Earphone can be used when the working area is noisy. 8. Function selection:3 Position mode switch (NCV OFF LED) 9. Speaker:When SCAN feature is working, if the speaker is louder, the signal is stronger. 10. Locating and Isolating Cables function push button: When pushing the button, the feature starts and the battery indicator will be light on ~8 G Cable map & Shielded indication:work with MT-7028 transmitter for RJ45/ RJ11 cable mapping indicated by 8 LED and for shielded/ unshielded indication. 12. RJ45(8 pin)/rj11(6/4/2 pin) Compatible connectors: Used for RJ45/ RJ11 cable mapping. When used for RJ45/ RJ11 cable mapping, please connect the cable to RJ45(8 pin)/rj11(6/4/2 pin) Compatible connectors of MT-7028 transmitter to start the function. Caution! Do not plug in any live cable to the RJ45(8 pin)/rj11(6/4/2 pin) Compatible connectors. 13. Battery cover. 10

12 OPERATION 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, STP, Cat 5e, Cat 6) and telephone line (Cat 3). 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(8 pin)/rj11(6/4/2 pin) 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. 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. 11

13 Locating Individual Wire Pairs with the MT-7028 Analog Function To locate cables, do the following steps (Figure 3): 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 As the Figure 3 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 flickered, 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 be stopped and standby for next operation. 3. AS the figure 3 shown, 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 LEDs light up in red from 1 to 8, then wrap back and light up from 1 to 8 again as the signal strength increases. 5. Adjust the Volume Control on the Receiver to locate the wire pairs from 10cm to 30cm. RJ45 Jack RJ11 Jack Ground SCAN SCAN SCAN SCAN Push Low Double push:high Volume control SCAN Figure 3 Locating cables 12 Volume control

14 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 to low to enable looking for a more difficult to identify wire. 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. 8) to check for shorts or opens on coax and non-terminated cables. Telephone block RJ45 Jack RJ11 Jack Loud Volume control SCAN SCAN Volume control SCAN Push Low Double push:high Loud Volume control Low SCAN Figure 4 Isolating Cable 13

15 Cable Map Testing: Caution When use the product for RJ45 or RJ11 cable mapping, please only plug in the cable to RJ45/RJ11 compatible connector on transmitter. Do not use RJ11 (6pin) connector. 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 low 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. 14

16 RJ45/RJ 11 Jack (8P/8C,6P/6C,6P/4C,6P/2C) TEST Push Slow Push again Fast RJ45/RJ 11 Jack (8P/8C,6P/6C,6P/4C,6P/2C) Figure 5 Validating Cable Maps 3. Different connectors generate different LED and sound indications as shown in Figure 6. 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. 15

17 MT-7028 Transmitter MT-7028 Figure 6 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 7. 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 that 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. 16

18 MT-7028 Transmitter MT-7028 Figure 7 good wiring, shorts, opens, crossed pairs 17

19 Live telecommunication equipment and router test: Caution! The feature can only be used for testing cable continuity and opens, cannot be used for cross over and short. 1. According to Figure 8, connect MT-7028 transmitter and working router by RJ45(8P/8C). 2. Push button to turn on the power, POWER/ BAT LOW indicator will light up. Push button on transmitter to feature cable map function. When the TEST indication green LED flickers slowly, the slow cable mapping is working and the red cable map LED starts scanning. Push button again, the TEST indication green LED twinkled fast, the fast cable mapping is working and the cable map LED starts scanning. Push the button again, the TEST green LED light will be off and the product will be standby for next operation. 3. When the 1~8, G LED indicator on MT-7028 transmitter lighted one by one, the cable (1~8, G) is good. If any of LED indicator is not lighted, the cable is damaged. RJ45 Jack TEST Push Slow Push again Fast 1~8.G Red Lights up indicates the cable is good connection 1~8.G No Light indicates the cable is damaged Figure 8 Cable testing on working line 18

20 Coaxial Cable & Continuity Testing: DANGER:Before testing, please be sure the power of receiver is OFF. To validate cable shield during cable map tests, do the following as shown in Figure 9: 1. Connect the Transmitter to the circuit as shown in Figure 8. Connect the test leads to the coaxial cable to be tested. 2. Push button to turn on the power, POWER/ BAT LOW indicator will light up. Push button on transmitter for short/ open function, the green LED indicator lights up and the short/ open testing is working. Push again, the green LED lights off and the product is standby for next operation. 3. When SHORT red LED indicator lights up, the cable is connected. (the resistance of cable is less than 300Ω). If the indicator is off, the cable is short or resistance of the cable is over 300Ω. Validating the cable s shield Testing for continuity OPEN Open : Resistance SHORT Short : Resistance No light RED pushω Figure 9 Coaxial Cable & Continuity Test 19

21 Validating Telephone Service and Polarity: Please follow the following steps to check the polarity of telephone lines: 1. Connect the Transmitter to the circuit as shown in Figure 9. Connect the test leads to the telephone punch-down blocks, RJ11, and RJ45 jacks. 2. Push button to turn on the power, POWER/ BAT LOW indicator will light up. Then push to operate the polarity indication feature and the LED indicator will light up. Push the button again to get the product back to standby status. 3. POL-/G,POL+/R LED indicator is dual color (Red/ Green). The LED indicator of the Transmitter indicates the status as below: Red light:red test lead at positive (+) polarity; Black test lead at negative (-) polarity. Green light:red test lead at negative (-) polarity;black test lead at positive (+) polarity. No Light:Non service or line fault. Telephone Block RJ11 Jack POL + RED Red test lead (+ Polarity) Black test lead(- Polarity) POL Green Red test lead (- Polarity) Black test lead(+ Polarity) POL Figure 10 Validating Telephone Service and Polarity 20

22 NCV (Non-Contact Voltage) Testing: Caution The feature can be used before locating, isolating, cable mapping to identify if the tested cable is with AC voltage. It can not only help to ensure the safety of user and avoid possible electric shock or personal injury, but also protect the product from being damaged by AC power. 1. Per Figure 11, turn the switch to NCV, the function is started when the power indication is on. 2. When doing the NCV testing, place the probe of MT-7028 receiver to the tested cable, the NCV indicator twinkled fast and the buzzer sounded it means the tested objective has AC 90~1000V. If the indicator did not come on and no buzzer sounded, it means the tested objective has AC power less than 90V or there is no AC power on it. AC Socket NCV Figure 11 Non Contact Voltage Test 21

23 OPEN Battery Life and Replacement Caution To avoid unreliable test results, replace the battery as soon as the low battery indication appears. Warning To avoid possible electric shock or personal injury, turn off the Transmitter or Receiver and disconnect all test leads before replacing the battery. Battery Status: BAT LOW LED lights up on the Transmitter indicates the voltage is under 6.5V for powering up the device. To replace the battery, do the following (Fig 12): 1. Turn off the Transmitter or Receiver and disconnect all test leads before replacing the battery. 2. Properly installed in the case to power the Transmitter and Receiver. 3. Use only a 9V (6FF22) battery. Figure 12 Replacement of the Battery 22

24 Maintenance & Trouble shooting: Warning Turn off the Transmitter or Receiver and disconnect all test leads before replacing the battery. Caution To avoid damaging the case, do not use solvents or abrasive cleansers. Clean the case with a soft cloth dampened with water or a mild soap solution. Trouble shooting Possible Problems The signal from transmitter can not be detected by receiver No signal received from transmitter on Live telecommunication device testing Incorrect cable mapping result Others Trouble shooting 1. Shortage of battery power: Check the batter on both transmitter and receiver. If the battery voltage is less than 6.5V, please replace with a new battery. 2. Make sure the switch position on receiver is OFF or LED. The SCAN function will not work if the switch is at NCV position. 3. Device damaged: please return the product to the place you purchased the product for maintenance. There might be conflict between the signal from telephone office and the signal from transmitter. Please turn off the telephone exchange device. LED indicator broken: please return the product to the place you purchased the product for maintenance. Improper connection of networking or telephone cables: please reconnect the cables torj45/ RJ11 compatible connectors. Device damaged: please return the product to the place you purchased the product for maintenance. 23

25 MT-7028 音頻網路測試器使用說明書感謝您購買和使用 Pro skit MT-7028 音頻網路測試器, 使用本儀器前請仔細閱讀說明書, 閱讀後請妥善保存, 以備日後查閱 目錄 : 特點概述. 24 產品特點.25 功能介紹. 26 包裝內容. 26 產品規格. 26 安全資訊. 27 MT-7028 音頻產生器外觀圖 28 MT-7028 接收器外觀圖 30 使用 1KHz 音頻信號查找 分離電線. 31 查找電線. 32 分離電線. 34 線對表 (Cable Map) 測試.. 34 工作中的網路檢測 38 同軸電纜線和電線連通測試 39 電話正負極性測試 40 NCV 非接觸驗電.. 41 電池狀態與電池更換 42 維護與簡易故障排除 43 特點概述 : MT-7028 音頻網路測試器 -- 能定位 分離 導通 查找 RJ45 網路線 (UTP STP Cat 5e Cat 6 Cat 7) RJ11/12 電話線 (Cat 3), 且能使用戶確認並診斷電纜, 佈線的通路 短路 斷路 交叉 等現象, 並確認接線順序線號 ( 線對表 (Cable Map) 和電話線的接線極性 還提供視覺和音頻信號強度指示, 使測試距離與精確度更容易精準掌握 和測試一般電線接觸不良所產生的阻抗過大 (>300Ω) 的問題 MT-7028 音頻網路測試器 -- 提供了完整的配件, 讓用戶可以輕易的檢測 RJ45 插座 RJ45 連接線 RJ11 插座 RJ11 連接線, 並具有鱷魚夾, 可應用於測試同軸電纜線 一般電線和電信 / 網路接線板 適用於電信 網路 數據通信 有線電視 室內外配線 等專業的裝配 查線 維修工程人員使用 24

26 特點 : 尋線長度達 3 公里 音頻網路測試器讓你輕鬆尋線, 可直接與具有活電的電信設備和路由器連接 線序 / 故障最大測試距離達 300 米 具有快速 / 慢速掃描功能可供選擇 顯示各條線芯的線對表 (Cable Map) 引腳的結果芯電纜的映射 顯示各線序 / 故障的通路 短路 斷路 交叉的現象和測試屏蔽 / 非屏蔽線 非接觸電壓檢測 可測試 AC90~1000V 的電壓, 特殊的設計, 提醒你在進行測試之前, 關閉電源. 保護設備 電話極性測試 輕鬆識別電話線路的極性 節能 當 1 小時無動作後, 自動關機節能省電 功能簡介 : MT-7028 音頻產生器 : 具有產生 1KHz 的音頻信號和提供雙音調的高 / 低兩種音色可以選擇 ; 音頻發射最大距離 3 公里, 配合 MT-7028 接收器的音量大小調整功能, 可經由音量大小控制, 精確控制查找斷線位置在 10~30cm 範圍內 ;MT-7028 接收器具有 LED 信號強度指示燈號, 使測試距離與精確度更容易精準掌握 MT-7028 音頻產生器 : 配合 MT-7028 接收器的兩端 LED 燈號顯示線對表 (Cable Map), 可測試 RJ45 網路線 RJ11 電話線的通路 短路 斷路 交叉的現象和測試屏蔽 / 非屏蔽線, 線纜故障測試最大長度 300 米 MT-7028 音頻產生器 : 具有測試一般電線阻抗 (>300Ω) 的 LED 燈號指示, 可輕易檢出電線接觸不良的問題 MT-7028 音頻產生器 : 具有交流 60V 或直流 48V 保護, 可在活電下測試電信設備和路由器, 不必關閉電源, 可辨識電話線路的正負極性 MT-7028 音頻產生器 : 具有 1 小時無動作自動關機和電池低電壓指示功能 MT-7028 接收器 : 具有非接觸驗電 (NCV) 交流 90~1000V, 可預先測試設備. 線路的電壓, 避免觸電危險或損壞設備 MT-7028 接收器 : 具有 LED 照明和耳機插座, 提供給任何吵雜. 光線不足的環境使用 MT-7028 音頻網路測試器 : 可以配合 RJ45/RJ11 兩用插座, 測試 RJ45 網路線和 RJ11 電話線 搭配跳接線可以測試 RJ45/RJ11 插座的接線, 搭配鱷魚夾連接線, 可測試同軸電纜線 一般電線和各種接線板 25

27 包裝內容 : MT-7028 音頻網路測試器的附件如下 若發現有東西損壞或缺少, 請立即與購買處聯繫 MT-7028 音頻產生器 MT-7028 接收器 RJ45(8 pin) 至 RJ45(8 pin) 轉接線 RJ11(6 pin) 至 RJ11(6 pin) 轉接線 RJ11(6 pin) 對鱷魚夾線 耳機 攜存袋 使用手冊 產品規格 : MT-7028 音頻產生器規格音頻發射頻率音頻最大測試距離線序 / 故障最大測試距離最大工作電流音色 可測試連接阜 1kHz 3 公里 300 米 65mA 高 / 低雙音調 RJ45(8 pin)/rj11(6 pin) 兩用插座, 提供 RJ45/RJ11 線對測試和 RJ45 音頻尋線用 ;RJ11(6 pin) 插座, 提供 RJ11(6P/6C/4C/2C) 音頻尋線用 適用電纜線 RJ45 網路線 Cat 5 5e 6 7 (UTP/STP) RJ11/12 電話線 Cat 3 (6P/2C/4C/6C) 功能選擇 5 個按式開關 ( 電源 尋線 線對 短路 電話正 / 負極性 ) 短路 / 導通測試 1 個 LED ( 300Ω), 同軸電纜線和一般單芯 / 多芯絞線用鱷魚夾線測試 輸出信號電壓 8Vp-p 線序 / 故障指示 8 個 LED, 快 / 慢雙速測試 網路線屏蔽 / 非屏蔽指示 1 個 LED 電話線正 / 負極性指示 1 個雙色 LED 電信設備和路由器活電測試 有 電壓保護 交流 60V 或直流 48V 自動關機 約 1 小時 電池低壓指示 6.5V ( 電源指示燈閃爍 ) 電池 DC 9.0V (NEDA 1604/ 6F22 DC9V 1pcs) 外觀尺寸 ( 長 寬 高 ) mm 26

28 重量 MT-7028 接收器規格音頻接收頻率最大工作電流可測試連接阜 140 公克 1kHz 50mA RJ45(8 pin)/rj11(6 pin) 共用插座 功能選擇 3 段滑動開關 ( 非接觸驗電 關機 LED 照明 ) 耳機座信號強弱指示線序 / 故障指示網路線屏蔽 / 非屏蔽指示非接觸驗電 (NCV) 指示工作照明電池外觀尺寸 ( 長 寬 高 ) 重量 主機跌落測試 :1 米 工作溫度 :0 ~ 50 (32 ~ 122 ) 儲存溫度 :-10 ~ 60 (14 ~ 140 ) 工作濕度 :20% - 75% 相對溼度儲存濕度 :10% - 90% 相對溼度操作高度 :3,000 米儲存高度 :10,000 米 1 個 1 個 LED & 蜂鳴器 8 個 LED 1 個 LED 1 個 LED ( 交流 90~1000V) 1 個 LED DC 9.0V (NEDA 1604/ 6F22 DC9V 1pcs) mm 80 公克 安全資訊 : 表 1. 描述測試儀上或本手冊中, 所使用的國際電氣符號 警告 : 有人身傷害危險 請參閱手冊中的解釋 小心 : 有損害或損壞裝置或軟體的危險 請參閱手冊中的解釋 警告 : 有觸電危險 注意 : 須注意操作時的狀態或功能 本設備不可連接至公用通信網路, 如帶電的電話系統 警告 不得在超過 AC 60V/DC 48V 的帶電電路上使用本產品 不得使用已破損的 MT-7028 音頻網路測試器測試導線 使用以前, 27

29 在測試電話電路時, 將不使用的測試導線和連接器從 MT-7028 音頻網路測試器上斷開連接 除非要更換電池或保險絲, 否則不得打開機殼 ; 其中沒有任何用戶可維修的零件 在更換電池以前, 請關機! 並斷開所有測試導線的連接 僅使用 9V 電池, 正確安裝在機殼內以提供電源 如果不遵照指定方式使用本設備, 則可能影響本產品提供的保護 MT-7028 音頻產生器外觀圖 RJ P/4C RJ 11 6P/6C 4-5 6P/2C 4 10 G POL - /G POL+/R SHORT SCAN POWER TEST BAT LOW PO L Ω SCAN TEST 7 Ω POL NET W ORK TONER & P R OPE MT TRANSMITTER 15 ( 圖一 ) MT-7028 音頻產生器外觀圖 1. RJ45(8 pin)/rj11(6/4/2 pin) 兩用插座 : 提供 RJ45/RJ11 線序 / 故障測試用 RJ45 音頻尋線用 當在 RJ45/RJ11 線序 / 故障測試時, 需與 MT-7028 接收器的 RJ45(8 pin)/rj11(6/4/2 pin) 兩用插座, 共同搭配使用 注意! 任何具有活電的線路, 不可插入本插座中!RJ11 電 話線的音頻尋線不可使用本插座 28

30 2. RJ11(6 pin) 插座 : 僅提供 RJ11(6P/6C/4C/2C) 音頻尋線用 注意! 在超過 AC 60V/DC 48V 的活電的線路, 不可插入本 插座中! 3. 1~8 G 測試結果指示燈 :RJ45/RJ11 的線對表 (Cable Map) 和線序 / 故障的 8 個 LED 指示燈和屏蔽線 / 非屏蔽線測試結果指示, 需與接收器的燈號搭配使用 4. SHORT 短路測試結果指示燈 : 當指示燈亮起時, 表示線路阻抗 <300Ω 或短路 當指示燈不亮時, 表示線路阻抗 >300Ω 或斷路 ( 開路 ) 5. Ω 短路 / 導通功能指示燈 : 按下 短路 / 導通功能鍵時, 指示燈亮起, 表示短路 / 導通測試的功能啟動 6. SCAN 尋線功能指示燈 : 按下 尋線功能鍵時, 當指示 燈慢速閃爍時, 表示低音調尋線測試的功能啟動 再按一下 尋線功能鍵時, 當指示燈快速閃爍時, 表示高音調尋線測試的功能啟動 7. POWER/BAT LOW 電源指示燈: 按下 電源開/ 關鍵時, 指示燈亮起, 表示電源開啟, 再按其他功能鍵時, 才能啟動測試功能 當指示燈閃爍時, 表示電池電壓低於 6.5V, 需要更換電池 8. TEST 線序/ 故障功能指示燈 : 按下 線序/ 故障功能鍵時, 當指示燈慢速閃爍時, 表示線序 / 故障慢速測試的功能啟動 再按一下 線序/ 故障功能鍵時, 當指示燈快速閃爍時, 表示線序 / 故障快速測試的功能啟動 9. POL-/G,POL+/R 電話極性測試結果指示燈: 這是一個紅 / 綠雙色 LED 指示燈, 當紅色指示燈亮起時, 代表紅色鱷魚夾接的是正極, 黑色鱷魚接的是負極 當綠色指示燈亮起時, 代表紅色鱷魚夾接的是負極, 黑色鱷魚接的是正極 當指示燈不亮時, 代表電話線路無供電 10. POL 電話極性功能指示燈: 按下 電話極性功能鍵時, 指示燈亮起, 表示電話正 / 負極性測試的功能啟動 11. 尋線功能鍵: 按下此功能鍵後, 當 SCAN 尋線功能指示燈閃爍時, 表示低音調尋線測試的功能啟動 再按一下此功能鍵後, 當 SCAN 尋線功能指示燈快速閃爍時, 表示高音調尋線測試的功能啟動 12. 短路/ 導通功能鍵 : 按下此功能鍵後, 當 Ω 短路/ 導通功能指示燈亮起時, 表示短路 / 導通測試的功能啟動 13. 電源開/ 關鍵 : 按下此鍵後, 當 POWER/BAT LOW 電源指示燈亮起時, 表示電源開啟 再按一下此鍵時, 當 POWER/BAT LOW 電源指示燈熄滅後, 表示電源關閉 29

31 G LED 14. 線序 / 故障功能鍵 : 按下此功能鍵後, 當 TEST 線序 / 故障功能指示慢速燈閃爍時, 表示慢速線序 / 故障測試的功能啟動 再按一下此功能鍵後, 當 TEST 線序 / 故障功能指示燈快速閃爍時, 表示快速線序 / 故障測試的功能啟動 15. 電話極性功能鍵 : 按下此功能鍵後, 當 POL 電話極性功能指示燈亮起時, 表示電話正 / 負極性測試的功能啟動 16. 電池蓋 8.MT-7028 接收器外觀圖 : OFF NCV SCAN NETWORK TONER & PROPE MT RJ RJ 11 6P/6C 3-6 6P/4C 4-5 6P/2C RECEIVER ( 圖二 ) MT-7028 接收器外觀圖 音頻信號探頭 : SCAN 尋線功能或是非接觸驗電(NCV) 測試功能的探頭 2. LED 工作照明燈 : 當工作環境光線不足時, 可作為輔助照明使用 3. 電源指示燈 : 當 3 段功能選擇開關, 撥切至 LED 或 NCV 檔位時, 指示燈亮起, 表示 LED 或 NCV 測試的功能啟動 當 3 段功能選擇開關, 撥切至 OFF 檔位時, 按下 尋線功能鍵時, 指示燈亮起, 表示尋線測試的功能啟動 30

32 4. 非接觸驗電 (NCV) 指示燈 : 將音頻信號探頭靠近被測物, 進行非接觸驗電 (NCV) 測試, 當此指示燈快速閃爍時, 代表被測物具有 90~1000V 交流電壓 當指示燈不亮時, 代表被測物的交流電壓低於 90V 或是沒有交流電壓 5. 信號強弱指示燈 : 將音頻信號探頭靠近被測物, 進行尋線功能測試, 當此指示燈越亮, 表示信號越強 6. 音量旋扭 : 控制音量由大到小, 則可以改變查找電線的靈敏度, 將搜尋位置由 30cm 縮小到 10cm 以內, 精確找到目標芯線的位置 7. ø3.5mm 耳機座 : 當工作環境噪音太大時, 可插入耳機, 方便尋線測試使用 8. 3 段功能選擇開關 :3 段滑動開關 ( 非接觸驗電 NCV 關機 OFF 工作照 明 LED) 9. 喇叭 : 當尋線 (SCAN) 測試的功能啟動後, 喇叭聲音越大, 表示信號越 強 10. 尋線功能鍵: 當按下此尋線功能鍵時, 電源指示燈亮起, 表示 尋線測試的功能啟動 11. 1~8 G 測試結果指示燈:RJ45/RJ11 的線對表 (Cable Map) 和線 序 / 故障的 8 個 LED 指示燈和屏蔽線 / 非屏蔽線測試結果指示, 需與音頻 產生器的燈號搭配使用 12. RJ45(8 pin)/rj11(6/4/2 pin) 兩用插座 : 提供 RJ45/RJ11 線序 / 故障測 試的遠端器用 需與 MT-7028 音頻產生器的 RJ45(8 pin)/rj11(6/4/2 pin) 兩用插座, 共同搭配使用 注意! 任何具有活電的線路, 不可插入本插座中! 13. 電池蓋 9. 使用 1KHz 音頻信號查找 分離電線 : 使用 MT-7028 音頻網路測試器的 1KHz 查找線路時, 能定位 分離 查找雙絞線 (UTP STP Cat 5e Cat 6) 電話線 (Cat 3), 搭配跳接線可以測試 RJ45/RJ11 插座的接線, 搭配鱷魚夾連接線, 可測試同軸電纜線 一般電線和各種接線板 警告 使用 MT-7028 音頻網路測試器不可以使用在帶電的線路上, 操作前應確實關閉所有電源 RJ45 音頻尋線時, 請使用 RJ45(8 pin)/rj11(6/4/2 pin) 兩用插座 RJ11(6P/6C/4C/2C) 音頻尋線時, 請使用 RJ11(6 pin) 插座 使用 RJ11(6 pin) 插座, 搭配鱷魚夾連接線, 可測試同軸電纜線 一般電線和各種接線板 31

33 注意 使用 MT-7028 音頻網路測試器的 1KHz 查找線路時, 應儘量遠離或關閉干擾源 如. 具有變壓器 電感 線圈 馬達的電器設備 等 ; 如果接近干擾源, 而 MT-7028 接收器產生接收的雜訊聲音, 屬於正常狀態 ; 但如果影響操作判斷時, 應予遠離或關閉干擾源 MT-7028 音頻網路測試器的 1KHz 音頻信號, 通過電路機板或分岔線路或整捆電線 ( 絞線 ) 時, 會有相互感應傳遞和信號強度的衰減的現象 且無法穿透金屬配線管 在搜索 MT-7028 音頻產生器的信號時, 沒有必要將 MT-7028 接收器的探頭觸及線纜或接線板 在使用 MT-7028 音頻網路測試器前, 應確實檢查 MT-7028 音頻發射器的黑色鱷魚夾, 確實接地妥善 MT-7028 音頻產生器所產生 1KHz 的音頻信號, 具有雙音調高 / 低兩種音色可以選擇, 並可以配合所有連接介面和配件, 提供這兩種高 / 低音頻信號 查找電線當你需要查找電線佈線位置或查找電線斷路位置時, 請依照下列步驟 ( 如圖三 ) 進行 : 1. 如 ( 圖三 ) 所示, 先將 MT-7028 音頻產生器的黑色鱷魚夾確實接地, 再將紅色鱷魚夾與待測線路的連接線或插座或接線板連接妥善 2. 如 ( 圖三 ) 所示, 按下 電源開/ 關鍵, POWER/BAT LOW 紅色電源指示燈亮起, 打開電源 再按下 尋線功能鍵後, 當 SCAN 尋線功能紅色指示燈閃爍時, 表示低音調尋線測試的功能啟動 再按一下此功能鍵後, 當 SCAN 尋線功能紅色指示燈快速閃爍時, 表示高音調尋線測試的功能啟動 再按一下此功能鍵後, 當 SCAN 尋線功能紅色指示燈熄滅後, 表示回到待機狀態 3. 如 ( 圖三 ) 所示, 要接收 1KHz 且有聲音輸出, 按下 MT-7028 接收器的 尋線功能鍵時, 紅色指示燈亮起, 表示尋線測試的功能啟動 當放開 尋線功能鍵時, 紅色指示燈熄滅後, 表示, 表示尋線測試的功能關閉 未插上耳機前喇叭有聲音輸出, 插上耳機後則喇叭無聲音輸出, 聲音由耳機輸出 4. 使用 MT-7028 接收器將音量旋鈕轉到最大, 沿著塑膠配線管 走線架 接線板或牆壁, 查找佈線線路的大致位置 接近時,MT-7028 接收器的喇叭響起音頻信號聲音, 喇叭聲音越大, 表示信號越強 ; 同時信號強弱指示燈 LED 亮紅色,LED 指示燈明暗程度會隨信 32

34 5. 旋轉音量旋鈕, 控制音量由大到小, 則可以改變查找電線的靈敏度, 將搜尋位置由 30cm 縮小到 10cm 以內, 精確查找到電線 RJ45 插座 RJ11 插座 SCAN SCAN SCAN SCAN 按一下 : 低音再按一下 : 高音 SCAN 33

35 分離電線當你需要尋找綑綁在一起的電纜其中一條電線, 或多芯電纜中的其中一條芯線時, 請依照前面查找電線的步驟 (1.) 到 (4.) 進行 ( 如圖三 ), 然後再依照下列步驟 ( 如圖四 ) 繼續進行 : 6. 將電纜撥開約 30~45cm 長, 採用二分法, 將電纜的芯線概略分為左右各一半, 使用 MT-7028 接收器尋找目標芯線的位置, 喇叭聲音較大和 LED 燈比較亮 ( 信號較強 ) 的一邊, 代表其中包含了你所要尋找的目標芯線 7. 旋轉音量旋鈕, 控制音量由大到小, 則可以改變查找電線的靈敏度, 將搜尋位置由 30cm 縮小到 10cm 以內, 精確找到目標芯線的位置 8. 重複前面二分法的 (5.) (6.) 步驟, 則可輕易找到目標芯線 注意如果不能正確分辨兩導線電纜上的音頻信號, 可能電纜已短路或斷路 請使用連通測試, 檢查接電纜是否短路或斷路 RJ45 插座 RJ11 插座 SCAN SCAN SCAN 按一下 : 低音再按一下 : 高音 SCAN 10. 線對表 (Cable Map) 測試 : 可以使用 MT-7028 音頻產生器和 MT-7028 接收器配合 RJ45/RJ11 兩用插座, 測試 RJ45 網路線和 RJ11 電話線的線對表 (Cable Map) 搭配跳接線可以測試 RJ45/RJ11 插座的線對表 (Cable Map) 線對表 (Cable Map) 的功能可查找各種電纜佈線上常見的 : 通路 短路 斷路 交叉的情況 注意 RJ45 或 RJ11 線對表 (Cable Map) 測試時, 音頻產生器的接頭, 只能 34

36 使用 RJ45/RJ11 兩用插座, 不可使用 RJ11(6 pin) 插座 1. 依 ( 圖五 ) 所示, 將 MT-7028 音頻產生器和 MT-7028 接收器妥善連接 RJ45(8P/8C) RJ11(6P/6C 6P/4C 6P/2C) 的待測線路的連接線或插座 2. 按下 電源開 / 關鍵, POWER/BAT LOW 紅色電源指示燈 亮起, 打開電源 再按下 MT-7028 音頻產生器的 線序/ 故障功能鍵後, 當 TEST 線序/ 故障功能綠色指示燈慢速閃爍時, 表示慢速線序 / 故障測試的功能啟動, 線對表 (Cable Map) 的紅色 LED 開始慢速掃描顯示 再按一下 線序 / 故障功能鍵後, 當 TEST 線序 / 故障功能綠色指示燈快速閃爍時, 表示快速線序 / 故障測試的功能啟動, 線對表 (Cable Map) 的紅色 LED 開始快速掃描顯示 再按一下此功能鍵後, 當 TEST 線序 / 故障功能綠色指示燈熄滅後, 表示回到待機狀態 RJ45/RJ 11 共用插座 (8P/8C,6P/6C,6P/4C,6P/2C) TEST 按一下 : 慢速再按一下 : 快速 RJ45/RJ 11 共用插座 (8P/8C,6P/6C,6P/4C,6P/2C) 35

37 注意 線對表 (Cable Map) 測試時,LED 慢速掃描顯示間隔約 1 秒鐘,LED 快速掃描顯示間隔約 0.5 秒鐘, 每次由 1~8 G 順序掃描顯示 如果遇到 2 條空線時, 會有間歇 2 秒的現象, 依此類推 線對表 (Cable Map) 測試前, 如有必要, 可依前面所述方式, 使用 查找電線 的方法, 先進行查找另一端正確的連接器或連接線 3. MT-7028 音頻產生器和 MT-7028 接收器上的 LED 輸出, 不同線材的線對表 (Cable Map) 顯示方式如下 : RJ45(8P/8C) 的 LED 燈號顯示 :MT-7028 音頻產生器的線對表 (Cable Map)LED, 每 1 秒由 1~8 G 的順序, 逐步顯示 ; 並依接線順序, 對應 MT-7028 接收器上的線對表 (Cable Map)LED 同步顯示 ( 如圖六 ) RJ11(6P/6C 6P/4C 6P/2C) 的 LED 燈號顯示 :MT-7028 音頻產生器的線對表 (Cable Map)LED,6P/6C 每 1 秒由 2~7 的順序 ;6P/4C 每 1 秒由 3~6 的順序 ;6P/2C 每 1 秒由 4~5 的順序 ), 逐步顯示 ; 並依接線順序, 對應 MT-7028 接收器上的線對表 (Cable Map)LED 同步顯示 如果遇到空線時, 會有顯示間歇的現象 ( 如圖六 ) MT-7028 MT

38 MT-7028 音頻產生器和 MT-7028 接收器上的線對表 (Cable Map)LED 輸 出, 通路 短路 斷路 交叉表示的方式如下 : 通路 的 LED 燈號顯示 :MT-7028 音頻產生器的 LED, 第 1~8 G 個 LED 亮燈, 對應 MT-7028 接收器上的 LED, 第 1~8 G 個 LED 同步顯示 ( 如圖七 ) 短路 的 LED 燈號顯示 :MT-7028 音頻產生器的 LED, 第 3 個和第 4 個 LED 依序亮燈, 對應 MT-7028 接收器上的 LED, 第 3 個和第 4 個 LED 同時點亮, 但亮度較暗 ( 如圖七 ) 斷路 的 LED 燈號顯示 :MT-7028 音頻產生器的 LED, 第 3 個 LED 不亮, 對應 MT-7028 接收器上的 LED, 第 3 個 LED 不亮 ( 如圖七 ) 交叉 的 LED 燈號顯示 :MT-7028 音頻產生器的 LED, 第 3 個 LED 亮燈, 對應 MT-7028 接收器上的 LED, 第 4 個 LED 同步顯示 ; MT-7028 音頻產生器的 LED, 第 4 個 LED 亮燈, 對應 MT-7028 接收器上的 LED, 第 3 個 LED 同步顯示 ( 如圖七 ) 4. 依照 MT-7028 音頻產生器和 MT-7028 接收器上的線對表 (Cable Map)LED 輸出, 反覆測試 ; 並以 LED 顯示的線對表 (Cable Map) 確認接線順序的正確性 MT-7028 MT

39 11. 工作中的網路檢測 : 注意 : 此測試方法只能測試網線路通斷, 不能檢測交叉或短路 1. 依 ( 圖八 ) 所示, 將 MT-7028 音頻產生器妥善連接 RJ45(8P/8C) 網路線或插座 另一端連接在正在工作的網路交換機上 2. 按下 電源開 / 關鍵, POWER/BAT LOW 紅色電源指示燈 亮起, 打開電源 再按下 MT-7028 音頻產生器的 線序/ 故障功能鍵後, 當 TEST 線序/ 故障功能綠色指示燈慢速閃爍時, 表示慢速線序 / 故障測試的功能啟動, 線對表 (Cable Map) 的紅色 LED 開始慢速掃描顯示 再按一下 線序 / 故障功能鍵後, 當 TEST 線序 / 故障功能綠色指示燈快速閃爍時, 表示快速線序 / 故障測試的功能啟動, 線對表 (Cable Map) 的紅色 LED 開始快速掃描顯示 再按一下此功能鍵後, 當 TEST 線序 / 故障功能綠色指示燈熄滅後, 表示回到待機狀態 3. 當 MT-7028 音頻產生器上的 1~8 G 測試結果指示燈, 按先後順序逐一點亮時, 表示網路線 1~8 G 全部連通, 如有燈號未亮, 代表線路故障 4. RJ45 插座 TEST 按一下 : 慢速再按一下 : 快速 1~8.G 依序亮起表示線路全部連通 1~8.G 依序亮起表示該條線路故障 紅色 任何燈不亮 ( 圖八 ) 接入工作中的網路檢測 38

40 12. 同軸電纜線和電線連通測試 : 警告 : 測試前, 應先確認並關閉電源 當你需要確認同軸電纜線或電線連通是否有接觸不良時, 請依照下列步驟 ( 如圖九 ) 進行 : 1. 如 ( 圖九 ) 所示, 先將 MT-7028 音頻產生器的黑色鱷魚夾, 確實與待測電纜的一端接頭 金屬部分連接妥善, 再將紅色鱷魚夾, 與待測電纜的另一端接頭 金屬部分連接妥善 2. 按下 電源開/ 關鍵, POWER/BAT LOW 紅色電源指示燈亮起, 打開電源 再按下 MT-7028 音頻產生器的 短路 / 導通功能鍵後, 當 Ω 短路/ 導通功能綠色指示燈亮起時, 表示短路 / 導通測試的功能啟動 再按一下此功能鍵後, 當 Ω 短路 / 導通功能綠色指示燈熄滅後, 表示回到待機狀態 3. 當 SHORT 短路測試結果紅色指示燈亮起時, 表示連通 ( 阻抗 <300Ω) 當指示燈不亮時, 表示無連通, 或是遮蔽不良和連通不良 ( 阻抗 >300Ω) 同軸線連通測試 單股線連通測試 OPEN 斷路 : 阻抗 SHORT 連通 : 阻抗 不亮亮紅燈 按 Ω ( 圖九 ) 同軸電纜線和電線連通測試 39

41 13. 電話正負極性測試 : 當你需要確認電話線路的正負極性時, 請依照下列步驟 ( 如圖十 ) 進行 : 1. 如 ( 圖十 ) 所示, 先將 MT-7028 音頻產生器的紅 黑色鱷魚夾, 分別與待測電話線路的連接線或插座或接線板的兩端連接妥善 2. 按下 電源開 / 關鍵, POWER/BAT LOW 紅色電源指 示燈亮起, 打開電源 再按下 MT-7028 音頻產生器的 電話極性功能鍵後, 當 POL 電話極性功能指示燈亮起時, 表示電話正 / 負極性測試的功能啟動 再按一下此功能鍵後, 當 POL 電話極性功能指示燈熄滅後, 表示回到待機狀態 3. POL-/G,POL+/R 電話極性測試結果指示燈, 是一個紅 / 綠雙色 LED 指示燈 : 紅色指示燈亮起時, 代表紅色鱷魚夾端為電話局線的 十 極, 黑色鱷魚夾端為電話局線的 一 極 綠色指示燈亮起時, 代表紅色鱷魚夾端為電話局線的 一 極, 黑色鱷魚夾端為電話局線的 十 極 當指示燈不亮時, 代表電話線路無供電或是線路故障 RJ11 插座 + POL 亮紅燈表示紅色鱷魚夾為 + 極黑色鱷魚夾為極 POL 亮綠燈 表示紅色鱷魚夾為 極 黑色鱷魚夾為 極 + 按 POL ( 圖十 ) 電話正負極性測試 40

42 14.NCV 非接觸驗電 : 注意 : 此項測試功能可以被廣泛應用在定位 分離 導通 查找 線對表 (Cable Map) 測試前, 確認被測線路中是否有交流電壓? 除可確保人身安全. 避免觸電外, 也可以保護 MT-7028 音頻網路測試器, 不被交流電壓損壞! 1. 如 ( 圖十一 ) 所示, 將 3 段功能選擇開關 ( 非接觸驗電 NCV 關機 OFF 工作照明 LED), 撥切至 NCV 檔位後, 電源指示燈亮起, 表示 NCV 非接觸驗電測試的功能啟動 將 MT-7028 接收器的探頭靠近被測物, 進行非接觸驗電 (NCV) 測試, 當非接觸驗電 (NCV) 指示燈快速閃爍 同時蜂鳴警報時, 代表被測物具有 90~1000V 交流電壓 當指示燈不亮 無蜂鳴警報時, 代表被測物的交流電壓低於 90V 或是沒有交流電壓 AC 插座 撥 NCV ( 圖十一 ) NCV 非接觸驗電測試 41

43 OPEN 15. 電池狀態與電池更換 : 小心為避免測試結果不可靠, 一旦出現電池不足的指示, 請立即更換電池 警告為避免可能發生的電擊或人體傷害, 更換電池前, 應關機並斷開所有測試導線的連接 當 MT-7028 音頻產生器的 POWER/BAT LOW 電源指示燈閃爍時, 代表電壓已低於 6.5V, 為了確保測試器處於最佳工作狀態和提供準確的測試, 應立即更換新電池 更換電池請依下列步驟進行 :( 如圖十二 ) 1. 關機, 並斷開所有測試導線的連接 2. 如 ( 圖十二 ) 所示, 輕輕打開電池盒蓋, 取出電池, 並輕力取下電池扣 3. 換上新的 9V 電池 (6FF22), 輕力扣上電池扣, 放入電池, 蓋上電池盒蓋 16. 維護與簡易故障排除 : 維護 : 警告為避免可能發生的電擊或人體傷害, 維護前, 應關機並斷開所有測試導線的連接 小心為避免損壞機殼, 不要使用溶劑或磨蝕性去污粉 用柔性軟布沾水後擰乾 或柔性軟布沾柔性皂液後擰乾, 輕輕的擦拭機殼 42

44 簡易故障排除 : 故障 排除 4. 電池電力不足 : 檢查音頻產生器和接收器的電池, 如電壓低於 6.5V, 需更換電池 接收器無法探測音頻 5. 接收器檔位不正確 : 請撥至 OFF 或 LED 檔,NCV 產生器的信號檔不能探測 SCAN 信號 6. 儀器故障 : 返回經銷商維修 活電下測試電話局可能是電話局線信號頻率, 與本音頻產蜂器的信號衝突, 線, 接收器無法探測請關閉電話交換機 音頻產生器的信號 線序 / 故障測試結果顯示不正確 其它功能異常 LED 指示燈損壞 : 返回經銷商維修網路線或電話線接觸不良 : 請將網路線或電話線, 重新插入 RJ45/RJ11 共用插座 儀器故障 : 返回經銷商維修 2014 Prokit s Industries Co., LTD. All rights reserved (C) 43

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