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NOYAFA NF-859GT
The NOYAFA NF-859GT combines Ethernet/telephone cable testing and fiber-optic diagnostics in one multifunction instrument. It offers RJ45/RJ11 WireMap, cable tracing, PoE, PING, optical power measurement (OPM) and a visual fault locator (VFL).
Key features
- WireMap identifies incorrect pinout, open circuits and shorts.
- Tone tracing helps distinguish individual LAN and telephone lines.
- PoE checks Ethernet power, while PING checks host reachability.
- The OPM measures optical signal power at common wavelengths.
- The VFL helps reveal fiber breaks and bends with visible red light.
- Cable length, Port Flash and RJ45/RJ11 crimp tests simplify installation work.
- NCV detection and lighting support cabinet maintenance.
Technical specifications
| Model | NOYAFA NF-859GT |
|---|---|
| Supported media | RJ45, RJ11 and optical fiber |
| Copper tests | WireMap, PoE, PING, length, Port Flash |
| Copper length range | 5–200 m |
| OPM | 7 wavelengths, 850–1650 nm |
| OPM range | −70 to +10 dBm |
| VFL | 650 nm, 10 mW |
| Charging | USB Type-C |
Practical benefits and capabilities
NOYAFA NF-859GT is an all-in-one tester for installations combining copper Ethernet cables and optical fiber. It brings together RJ45/RJ11 wire mapping, tracing, PING, PoE checks and fiber tools such as OPM and VFL.
Where it is used
- commissioning structured cabling in offices and server rooms
- checking wire mapping and RJ45 crimp quality
- verifying PoE before installing IP cameras or access points
- finding cable routes and switch ports
- measuring optical power and locating visible fiber defects
How to use the instrument
- Use WireMap and crimp checks on disconnected copper lines.
- Trace the target cable with the transmitter and receiver; use Port Flash to identify switch ports.
- Check PoE before connecting powered devices and use PING for basic network reachability tests.
- Select the appropriate OPM wavelength and connect a clean compatible fiber connector; use VFL only on fibers disconnected from active optical equipment.
Important guidelines and limitations
OPM and VFL are not replacements for OTDR analysis. Never look into an active VFL fiber output. Follow the prescribed ports and modes for PoE and cable length measurements.
Frequently asked questions
Can NF-859GT test copper and fiber networks?
Yes. It covers RJ45/RJ11 cabling and offers dedicated OPM and VFL functions.
What is the cable length range?
The manufacturer specifies a range of 5–200 m for copper length testing.
What does OPM do?
It measures optical power at the selected wavelength; seven standard wavelengths are supported.
Can VFL locate a sharp fiber bend?
Its visible red light can help locate breaks and severe bends on accessible cable sections.
Does it include IP Scan?
The manufacturer comparison does not list IP Scan for NF-859GT; this is distinct from PING.
NOYAFA NF-859GT brings essential copper-cable diagnostics and fiber maintenance functions together in one kit.