Network USB LAN Cable Wire Tester for RJ11 RJ12 RJ45 Connections with DC 9V Power and LED Indicators

Professional multifunctional cable testing tool designed for comprehensive network and communication cable diagnostics. This versatile tester supports RJ11, RJ12, and RJ45 interfaces, providing reliable performance for various cabling applications.

• Tests continuity, open circuits, crossovers, and shorts in twisted pair wiring
• Supports RJ45, RJ11, and RJ12 cable connections
• Separate MASTER and REMOTE units for dual-end testing
• Rotating LED indicators for connection verification
• Slow display mode for precise fault identification
• Compact and lightweight design for portability
• Long-distance testing capability
• Powered by DC 9V battery (battery not included)

• Network installation and maintenance
• Telephone line detection and troubleshooting
• USB cable inspection and validation
• Data center cabling verification
• Structured cabling system testing

The MASTER and REMOTE units can be separated via slide mechanism, allowing comprehensive testing from both ends of the cable. This eliminates unnecessary walking during large installations and long cable runs.

LED indicators flash in rotation sequence when all wires are properly connected. If any connection fault exists, the corresponding LED will not illuminate. The S button activates slow display mode for accurate fault identification and wire sequence verification.

• 1 x RJ45/RJ11 Cable Tester
• 1 x Instruction Manual