WANGLU LT-600 Series Network Cable Tester User Manual

1. Introduction

The WANGLU LT-600 series multi-functional cable tester is an essential tool designed for technical personnel involved in security monitoring, communication wiring, integrated wiring, and other weak current systems. This device integrates various testing capabilities to ensure efficient and accurate network diagnostics.

It supports continuity and sequence testing of network cables, verification of RJ45 connector crimping, and cable tracing. Additionally, the LT-600 series features Time Domain Reflectometer (TDR) functionality for measuring cable length and attenuation. Advanced network diagnostic tools include PING testing, IP address scanning, Port Flash, and detection of both standard and non-standard Power over Ethernet (PoE) equipment, along with PoE power online testing.

2. Product Overview & Features

The LT-600 series offers a robust set of features for comprehensive network cable testing and diagnostics.

Key Features:

• Integrated Cable Testing: Combines network cable continuity, RJ45 connector crimping, and cable length testing.
• Cable Tracing & UTP Cable Testing: Accurately locates cables and performs UTP cable tests simultaneously.
• NCV Scan Function: AC 12-1000V, 50/60Hz inductive NCV scan with sound and light alarms, capable of distinguishing live and neutral wires.
• RJ45 Cable TDR Test: Detects breakpoints, short circuits, attenuation, reflectance, and skew in network cables. Maximum measurable length for RJ45 TDR is 180 meters.
• Cable Length Test: Measures cable length up to 3000 meters for open circuit tests.
• PoE Detector: Supports IEEE 802.3BT/AT/AF and non-standard protocol detection, including power supply mode and line pair detection.
• FTP Function: Enables copying of test reports and data via network FTP.
• 1000M Network Port: Performs network tests such as Ping, IP address conflict detection, PPPOE dial-up, route tracing, and LLDP switch port detection.
• Display: 4-inch IPS touch screen with 800*480 resolution for clear display of testing results.
• Cable Compatibility: Supports RJ45 twisted pair, RJ11 telephone cable, BNC video cable, and low-voltage metal cables.

Optional Features (Model Dependent):

• Professional TDR Cable Test: For break-point and short-circuit testing, with a maximum measurement length up to 1200 meters (LT-600T only).
• Intelligent Digital Multimeter (DMM): Auto-ranging voltage/resistance/continuity measurement with isolation protection (LT-600M/LT-600T only).
• Optical Power Meter (OPM): Wavelengths (nm): 850/980/1270/1300/1310/1490/1550/1577/1625/1650nm. Power range (dBm): -70 to +6 dBm (LT-600S/LT-600M/LT-600T only).
• Visual Fault Locator (VFL): Emits visible red laser to detect fiber optic line breaks, cracks, bends, and other faults (LT-600S/LT-600M/LT-600T only).
• Level Meter: Measures peak level, sync level, and burst level of video signals (LT-600T only).

Product Components:

Figure 2.1: Detailed view of the main unit and receiver, labeling ports and buttons.

Figure 2.2: Visual representation of the items included in the package.

The package typically includes: 1) Cable Tester (Main Unit), 2) Cable Tracer (Receiver), 3) Packing Box, 4) Tool Bag, 5) Instruction Manual, 6) RJ45 Cable, 7) RJ11 Cable, 8) Alligator Clip Cable, 9) Digital Multi-meter Pen (for LT-600M/LT-600T), 10) Type-C Charger Cable, 11) Screw, Screwdriver, 12) RJ45 to BNC Connector, 13) Safety Cord.

3. Setup

3.1 Initial Battery Connection

The tester is equipped with a built-in lithium-ion rechargeable battery. For safety during transportation, the battery cable inside the battery compartment may be disconnected. Before initial use, it is crucial to connect the battery cable.

Figure 3.1: Diagram showing the battery cable in unenergized (disconnected) and energized (connected) states.

1. Carefully open the battery compartment cover on the main unit.
2. Locate the battery and its cable.
3. Connect the battery cable securely to the designated port.
4. Close the battery compartment cover.

3.2 Charging the Device

Use the provided Type-C charger cable to charge both the main unit (Emitter) and the receiver. Ensure the device is fully charged before extensive use for optimal performance.

3.3 Powering On/Off

Press and hold the power button on both the main unit and the receiver to power them on or off.

4. Operating Instructions

This section details the operation of various functions of the WANGLU LT-600 series cable tester.

4.1 Cable Tracing

Use the receiver to trace and locate specific cables within a bundle or wall.

Figure 4.1: The receiver being used for cable tracing.

1. Connect the cable to be traced to the main unit's appropriate port.
2. Select the 'Cable Tracing' mode on the main unit.
3. Use the receiver to scan along the path of the cable. The receiver will emit an audible tone and/or visual indication when it detects the signal from the main unit.
4. Adjust the sensitivity knob on the receiver for precise localization.

4.2 UTP Cable Test & Continuity Test

This function checks the wiring sequence, continuity, and crimping quality of RJ45 and RJ11 cables.

Figure 4.2: Illustration of cable break, crossover, and shorted cable detection.

1. Connect one end of the UTP/RJ45/RJ11 cable to the main unit's UTP/SCAN port and the other end to the receiver's UTP Cable Test Port.
2. Select 'UTP Cable Test' or 'Continuity Test' on the main unit.
3. The screen will display the wiring sequence and indicate any faults such as open circuits, short circuits, or crossed pairs.

4.3 Cable Length Measurement

Measure the length of network cables.

Figure 4.3: The main unit connected to a coiled cable for length measurement.

1. Connect the cable to the main unit's UTP/SCAN port.
2. Select 'Length Measurement' mode.
3. The device will display the measured length of the cable. For open circuit tests, the maximum measurement length is up to 3000 meters.

4.4 RJ45 Cable TDR Test

Performs Time Domain Reflectometry to detect cable faults like breakpoints, short circuits, attenuation, and reflectance.

Figure 4.4: The main unit performing a TDR test on an RJ45 cable.

1. Connect the RJ45 cable to the main unit's UTP/SCAN port.
2. Select 'RJ45 Cable TDR Test' mode.
3. The device will analyze the cable and display detailed information about any faults, including their location. Maximum measurable length for RJ45 TDR is 180 meters.

4.5 Port Flashing

Helps identify the physical port on a switch or router to which a cable is connected by flashing its LED indicator.

Figure 4.5: The port flashing interface on the main unit, connected to a router.

1. Connect the cable to the main unit's LAN port.
2. Connect the other end of the cable to a port on the switch or router.
3. Select 'Port Flash' mode on the main unit.
4. The corresponding port LED on the switch/router will flash, allowing for easy identification.

4.6 PoE Test

Detects Power over Ethernet (PoE) presence, type (standard/non-standard), power supply mode, and line pair detection.

Figure 4.6: The PoE test interface on the main unit, connected to a network switch.

1. Connect the network cable from the PoE source to the main unit's 'PoE Detect' port.
2. Select 'PoE Test' mode.
3. The screen will display information such as PoE protocol (IEEE802.3BT/AT/AF), max power, polarity, and power modes.

4.7 Network Tools

The device includes various network diagnostic tools accessible via its 1000M network port.

Figure 4.7: Various network tool screens including LLDP/CDP, PPPOE, PING, IP Discovery, IP Scan, and Tracer.

• IP Discovery: Scans the network to find active IP addresses.
• IP Address Scan: Allows scanning a range of IP addresses.
• PING Test: Tests connectivity to a host by sending ICMP echo requests.
• LLDP/CDP Detection: Detects Link Layer Discovery Protocol (LLDP) and Cisco Discovery Protocol (CDP) information from connected switches.
• PPPOE Dial-Up: Supports PPPOE dial-up internet access.
• FTP Server: Enables copying of test reports and data.

4.8 Optional Functions (VFL, OPM, DMM, TDR Cable Test, Level Meter)

For models LT-600S, LT-600M, and LT-600T, additional functionalities are available.

Figure 4.8: Overview of optional functions including VFL, OPM, Digital Multimeter, TDR Cable Test, and Level Meter.

• Visual Fault Locator (VFL): Connect a fiber optic cable to the VFL port. Activate the VFL function to emit a red laser, which helps locate breaks or faults in the fiber.
• Optical Power Meter (OPM): Connect a fiber optic cable to the OPM port. Select the appropriate wavelength to measure the optical power.
• Digital Multimeter (DMM): Connect the multimeter probes to the DMM ports. Select the desired measurement mode (voltage, resistance, continuity) to perform electrical tests.
• TDR Cable Test (Advanced): For LT-600T, this provides advanced TDR testing for breakpoints and short circuits up to 1200 meters. Connect the cable and select the TDR function.
• Level Meter: For LT-600T, use this function to measure signal levels in video cables.

5. Maintenance

Proper maintenance ensures the longevity and accuracy of your WANGLU LT-600 series cable tester.

• Cleaning: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners or solvents. Keep the screen clean for optimal visibility.
• Storage: Store the device in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided tool bag for protection during storage and transport.
• Battery Care: Recharge the device regularly, even if not in use, to maintain battery health. Avoid fully discharging the battery for extended periods. If the device will not be used for a long time, charge it to about 50% before storing.
• Port Protection: Always use the protective caps for unused ports to prevent dust and debris from entering.

6. Troubleshooting

If you encounter issues with your LT-600 series cable tester, refer to the following common troubleshooting steps:

• Device Not Powering On:
  1. Ensure the battery cable is properly connected (refer to Section 3.1).
  2. Charge the device using the Type-C charger cable.
  3. Press and hold the power button for a few seconds.
• Inaccurate Cable Test Results:
  1. Ensure cables are securely connected to both the main unit and receiver.
  2. Check for any visible damage to the cables or connectors.
  3. Clean the ports on the device and the cable connectors.
  4. Ensure the correct cable type and test mode are selected.
• Cable Tracing Signal Weak or Absent:
  1. Increase the sensitivity on the receiver using the sensitivity knob.
  2. Ensure the main unit is transmitting a signal.
  3. Check for excessive interference from other electrical devices.
• Touch Screen Unresponsive:
  1. Restart the device.
  2. Ensure the screen is clean and free from moisture or debris.

If problems persist, contact customer support for further assistance.

7. Specifications

Detailed technical specifications for the WANGLU LT-600 series cable tester.

Figure 7.1: Comprehensive table of technical specifications for the LT-600 series.

8. User Tips

To maximize the efficiency and lifespan of your WANGLU LT-600 series cable tester, consider the following tips:

• Regular Calibration: While not explicitly stated, for professional use, consider periodic checks against known good cables to ensure continued accuracy.
• Firm Connections: Always ensure all cable connections are firm and properly seated to avoid false readings or intermittent issues.
• Environmental Awareness: Operate the device within the specified temperature and humidity ranges to prevent damage and ensure reliable performance.
• Software Updates: Check the manufacturer's website periodically for any available firmware updates that might enhance functionality or fix bugs.
• Organize Cables: When tracing or testing multiple cables, label them clearly to avoid confusion and improve efficiency.

9. Warranty & Support

For warranty information, technical support, or service inquiries, please refer to the official WANGLU website or contact your authorized dealer. Keep your purchase receipt as proof of purchase for warranty claims.