NOYAFA NF-488 PoE tester, 802.3af/at, 5-60V, 0-180W, LCD, RJ45

Faulty PoE switches and cable runs can stall your network installation. The NOYAFA NF-488 identifies whether your switch is supplying Power over Ethernet (802.3af/at) and quickly verifies cable integrity on the same device. Instead of carrying multiple tools, you get a pocket-sized tester that detects standard and non-standard PoE, measures voltage, current and power, and checks RJ45 cabling for continuity, shorts, opens, crosses and length.

Who is it for

Ideal for network installers, IT technicians and CCTV/access control engineers who need a fast, reliable way to validate PoE injection and cable wiring on site. It also suits electricians and smart-home integrators working with IP cameras, VoIP phones, wireless access points and IoT devices powered via PoE.

Main features

• Detects IEEE 802.3af/at standard PoE and non-standard PoE sources
• Measures DC voltage (5–60 V), current (0–3 A) and power (0–180 W)
• Identifies power supply mode: End-span (1/2/3/6) or Mid-span (4/5/7/8)
• Tests network cable continuity, short, open and cross wiring
• Estimates cable length up to 200 m
• Clear LCD with backlight for reading in dim environments
• Auto power-off and low-battery indicator to save power

Specifications

• Brand: NOYAFA
• Model: NF-488
• Networking standards: IEEE 802.3af, IEEE 802.3at
• PoE voltage range: 5–60 V DC
• PoE current range: 0–3 A DC
• PoE power range: 0–180 W
• PoE mode detection: End-span (1/2/3/6), Mid-span (4/5/7/8)
• Cable test: continuity, short, open, cross, length (up to 200 m)
• Display: LCD with backlight
• Connectors: RJ45
• Power: 3 x AAA batteries (not included)
• Auto power-off, low battery indicator
• Operating temperature: 0°C to 40°C
• Storage temperature: -10°C to 50°C
• Certifications: CE, FCC, RoHS

Tips

For accurate cable length tests, terminate the cable with a known-good remote end or use a separate loopback adapter if available. Always remove power from the network before connecting the tester to non-PoE cable pairs, and check the tester’s battery level before long shifts.