LAN Multifunction 4-in-1 Cable Tester – RJ45, RJ11, USB, BNC

The LAN Multifunction 4-in-1 Cable Tester is a versatile, all-in-one diagnostic tool designed to test and verify the wiring integrity of four essential cable types: RJ45, RJ11, USB, and BNC. Whether you’re managing a data center, installing a CCTV system, or troubleshooting office networks, this compact tester is a must-have for IT technicians, system integrators, and electricians.

4-in-1 Cable Compatibility

• RJ45 (Ethernet): Test Cat5, Cat5e, Cat6, and Cat6a network cables. Detects open circuits, shorts, miswires, split pairs, and reversed pairs.

• RJ11 (Telephone/ADSL): Verify phone lines and landline cable integrity. Supports 2-wire, 4-wire, and 6-wire configurations.

• USB (Type A): Test standard USB cables for power (VBUS, GND) and data (D+, D−) continuity to ensure reliable device connection.

• BNC (Coaxial): Validate coaxial cables used in CCTV systems, older Ethernet networks (10Base2), and video transmission applications.

Key Features

 Comprehensive Continuity Testing

Quickly identifies:

• Open circuits

• Short circuits

• Miswires

• Split pairs

• Reversed wiring

 Remote Testing Capability

Includes a detachable remote unit for testing long cable runs from different rooms or floors—ideal for single-person testing.

 LED Display Indicators

LEDs clearly show the status of each wire in real-time. Easily detect wiring errors through the numbered sequence display (1–8 for RJ45).

 Durable & Portable

Housed in rugged ABS plastic, this tester is built for fieldwork. Its lightweight design and battery-powered operation (usually 9V) make it ideal for on-site use.

 User-Friendly Operation

Just plug in the cable, power on the device, and follow the LED sequence—no special training or setup required.

Typical Applications

• Network Installation & Maintenance: Test new Ethernet cable runs before connecting network hardware.

• CCTV Installation: Confirm BNC cables are correctly wired for analog camera systems.

• Telephone System Setup: Check landline connections for continuity and polarity.

• USB Cable Manufacturing or Repair: Validate power and data line continuity in custom USB cables.

• IT Support: Quickly diagnose cabling issues in homes, offices, and data centers.

Benefits for B2B Buyers

• Time-Saving: Rapid fault detection improves service efficiency.

• Cost-Effective: Avoid unnecessary cable replacements or misdiagnoses.

• Versatile Tool: Reduces the need for multiple testers.

• Professional Results: Ensures high-quality installations and troubleshooting.

Ideal for:
System integrators, IT support teams, cable manufacturers, CCTV technicians, telecom service providers, data centers, and hardware resellers.