NOYAFA Nf-308S Network Tester

NOYAFA Nf-308S Network Tester

NOYAFA Nf-308S Network Tester – All-In-One Multi-Functional Cable Tester & Wire Tracker Kit

The NOYAFA Nf-308S Network Tester (upgraded model of the classic NF-308 series) is a multipurpose cable testing, wire tracing, and fault locator kit engineered for IT technicians, network installers, and telecom maintenance engineers. Comprising a main transmitter unit, a wire tracking receiver probe, and a remote identifier module, the NOYAFA Nf-308S Network Tester enables rapid identification of wiring errors, cable lengths, open circuits, and dead ports.

As shown in the product image, the system features an ergonomic high-visibility red housing, a clear backlit LCD screen, multiple test ports (RJ45, RJ11, BNC, and USB), and an adjustable-volume tracking probe equipped with a built-in LED flashlight. Designed with upgraded 100V withstand voltage protection on its main interface, it safeguards internal electronics against inadvertent connection to powered PoE lines.

Key Features of the NOYAFA Nf-308S Network Tester

• Comprehensive Wire Mapping & Fault Detection: Detects wiring errors across twisted pair cables, including open circuits, short circuits, cross-overs, jumper connections, and reverse polarities.

• Accurate Cable Length & Breakpoint Measurement: Measures network cable length up to 1000 m (3200 ft) with pm 2% accuracy after dynamic user calibration, pin-pointing exact distagnce to open or short faults.

• Port Flash / Hub Blink Function: Enables technicians to easily trace connected network drop lines back to switches or routers by triggering a rhythmic flashing light on the target switch port.

• Multi-Interface Cable Compatibility: Directly tests and traces Cat5e, Cat6, RJ11 telephone wires, BNC coaxial cables, and USB cables.

• Non-Contact Wire Tracing Probe: The included receiver probe traces audio tones emitted through bundled wire looms without stripping outer insulation.

• DC Voltage & Polarity Testing: Measures low-voltage DC signals (0.5–60 V) to verify telephone line status and active DC lines.

Common Applications and Industrial Usage

The diagnostic versatility and speed of the NOYAFA Nf-308S Network Tester make it a essential kit across multiple low-voltage infrastructure jobs:

• Ethernet LAN Installation & Auditing: Verifies pin-out wiremaps, cable integrity, and run lengths for Cat5e and Cat6 structured cabling projects.

• Telecommunications System Maintenance: Tests RJ11 telephone cable continuity, detects line polarities, and traces feed wires back to distribution frames.

• CCTV & Security System Cabling: Tests BNC coaxial cable continuity and measures distance to short circuits or broken conductors on camera video feeds.

• Patch Panel & Switch Port Identification: Uses the Port Flash feature to quickly match wall jacks to patch panel ports in crowded server racks.

Technical Specifications

The operational and mechanical characteristics for the NOYAFA Nf-308S Network Tester include:

Operating Guidelines and Best Practices

CRITICAL SAFETY NOTICE: Never connect the tester to live AC mains power lines (110V / 220V AC). Doing so will damage internal circuits and pose severe electrical hazard.

• Cable Calibration: For maximum length accuracy, perform a user calibration using a known cable length ( 10 m) before starting bulk measurement jobs.

• Audio Tracing: Adjust the volume knob on the receiver probe when tracing cables in noisy switch rooms, or plug headphones into the receiver’s earphone jack.

• Battery Maintenance: The main unit features a low-voltage indicator (le 7V). Replace the 9V batteries when alerted to prevent inaccurate test readings.