Vention Network Cable Tester (KEFB0)

The Vention Network Cable Tester (KEFB0) is a professional manual diagnostic tool designed for verifying the integrity and wiring accuracy of Ethernet (RJ45) and telephone (RJ11) cables. It is widely used by IT technicians, network installers, and maintenance engineers to quickly detect common cabling faults such as open circuits, short circuits, miswires, and split pairs. With support for both standard and long-distance cable testing, it is an essential tool for troubleshooting and maintaining structured network installations.

Product Features

Dual RJ45 and RJ11 Cable Testing Support

The KEFB0 network cable tester is compatible with RJ45 (8P8C) Ethernet cables and RJ11 (6P/4P) telephone cables. It supports multiple network standards including Cat5, Cat5e, Cat6, and Cat6a, making it suitable for a wide range of residential, office, and enterprise network environments.

Detachable Remote Unit for Long-Distance Testing

Equipped with a removable remote module, the tester can evaluate cable runs up to 300 meters. This allows technicians to test installed cables between different rooms, floors, or network cabinets without needing physical access to both ends simultaneously.

Fast and Slow Scan Modes for Accurate Fault Detection

The device includes selectable Fast and Slow testing modes. These modes help identify wiring issues more precisely by adjusting the scanning speed, allowing users to isolate specific connection faults with greater accuracy.

Shielded Cable and Grounding Verification

The KEFB0 features a dedicated “G” indicator that checks shielding continuity in STP (Shielded Twisted Pair) cables. This ensures proper grounding and helps maintain signal stability in environments with high electromagnetic interference.

Built-In LED Indicators and Portable Design

The tester is equipped with LED indicators for each pin (1–8), ground, and power status on both the main and remote units. Additionally, a built-in LED flashlight enhances visibility when working in low-light environments such as server racks or cable ducts.

Product Specifications

• Model: KEFB0
• Product Type: Network Cable Tester
• Supported Cable Types: RJ45 (8P8C), RJ11 (6P/4P)
• Supported Standards: Cat5, Cat5e, Cat6, Cat6a
• Testing Distance: Up to 300 meters (with remote unit)
• Fault Detection: Open circuit, short circuit, miswire, reversed pairs, crossed pairs, split pairs
• Indicators: 10 LED indicators (1–8 pins, G grounding, power) on main and remote units
• Testing Modes: Fast scan mode and Slow scan mode
• Shield Testing: Dedicated grounding (G) indicator for STP cable verification
• Power Supply: 9V battery or Micro USB (battery must be removed when using USB)
• Material: High-quality ABS plastic housing
• Contact Material: Gold-plated connectors for improved conductivity and corrosion resistance
• Additional Feature: Built-in LED flashlight for low-light environments
• Color: Matte black
• Application: Network troubleshooting, cable installation testing, structured cabling verification, telecom and IT maintenance, server room diagnostics