Noyafa NF-866 Internal Telephone Exchange Tester

Noyafa NF-866 Internal Telephone Exchange Tester is a specialized measurement and testing device designed to assist technicians in installing, maintaining, and repairing internal telephone exchange systems, telephone networks, and other network cables.

Noyafa NF-866 Internal Telephone Exchange Tester Specifications:

• Supported line type: Analog 2-wire (RJ11).
• LCD display (shows incoming call number and status).
• Supports making and receiving calls.
• Flash, Redial, Mute functions.
• Power supply: Powered by the telephone line (no battery required).
• Weight: ~250g

Key Features

• Multi-functional Testing: The NF-866 integrates multiple functions into a single device, including:

  • Network Cable (LAN/RJ45) Testing: Identifies faults such as broken wires, short circuits, open circuits, crossed wires, or reversed wires.
  • Telephone Line (RJ11) Testing: Detects line status (active, idle, busy), checks polarity, and measures line voltage.
  • Coaxial Cable (BNC) Testing: Determines connection status.

• Clear LCD Screen: The device features a large LCD screen that displays test results intuitively and legibly. This screen allows users to easily monitor the status of each wire and quickly detect faults.

• Automatic and Manual Modes: The NF-866 can automatically test and scan various cable types. It also has a manual test mode, allowing users to customize and test specific wires.

• Durable and Convenient Design: The body is made from durable material with good impact resistance. Its compact design makes it easy to hold and carry while working.

1. Applications:

   • Internal Exchange Installation and Maintenance: Testing telephone lines from the exchange to extensions.
   • Computer Network System Installation: Testing network cables before crimping to ensure stable connections.
   • Telecommunications System Repair: Locating and fixing faults on telephone lines and network cables.
   • Internet Line Testing: Testing lines from the modem to the device.

Usage Notes

• Check Battery: Ensure the device has sufficient battery power before use. Low battery can affect measurement accuracy.
• Handle with Care: When plugging and unplugging cables, do so gently to avoid damaging the device's connectors.
• Do Not Use for Mains Power: Absolutely do not use this device to test high-voltage power lines such as 220V mains power, as this can damage the device and pose a safety risk to the user.
• Storage: After use, store the device in its dedicated case to protect it from dust and impact.

The Noyafa NF-866 Internal Telephone Exchange Tester is a versatile, efficient, and reliable tool for telecommunications and network technicians. With its diverse testing capabilities, intuitive display, and convenient design, this product makes installation and repair work faster and more accurate.