Does this measure distance to short or open ?

Yes, it can measure distance to short and open.

Can this unit speed test a cable? 100mbs? 1000mbs?

Hi,network cable tester AT278 can not speed test a cable on 100mbs or 1000mbs.

Will this work with tracing cables that are in a POE switch without burning out the tester?

Manual does not recommend using this with POE

Does this test for cable signal? like 100 or 1000 mbit?

I think so, but I'm not 100% on that. I use mine mostly to check for fault types, and distance from end to fault location. You should read the spec and data sheets to see if that is listed.

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⚡ Master your network with pinpoint accuracy and zero downtime!

BLINK LOCATE - Hub blink function lets you instantly find the right network port with flashing lights.
PING LIKE A PRO - Measure min/max latency and packet integrity for top-tier network performance.
DATA DRIVEN DIAGNOSTICS - Import/export up to 160 test results via TF function for seamless reporting.
INTERFERENCE NOT HERE - Advanced AC filter guarantees clean tone tracing even in noisy environments.
POWER UP WITH PRECISION - Identify PoE pins and voltage to ensure flawless power delivery.

The NOYAFA NF-8601W Network Cable Tester is a professional-grade diagnostic tool designed for LAN Ethernet cables including RJ45, RJ11, and BNC. Featuring PoE voltage detection, ping testing for network latency, and an AC interference rejection filter, it ensures precise cable tracing and network troubleshooting. Additional functions like hub blink and data import/export make it indispensable for IT managers and network pros aiming for flawless connectivity.

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Brand	NOYAFA
Power Source	Battery Powered
Style	Digital,Clamp
Item Weight	1.02 Kilograms
Min. Operating Voltage	90 Volts
Specification Met	CE
Measurement Type	Wire Tracer
Maximum Operating Voltage	1000 Volts
UPC	889327017836
Manufacturer	Noyafa
Country of Origin	China
Item model number	NF-8601S
Package Dimensions	27.41 x 20.29 x 9.5 cm; 1.02 kg
ASIN	B06XMXQQYT

Network Cable Tester, AT226-C NF-8601W LAN Ethernet Cable Tester RJ45 UTP STP Diagnose Tone Tracer for RJ45, RJ11, BNC, PING/POE 8 Identifier Telephone Wire Tracker

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