The LinkRunner AT 4000 is a cutting-edge network cable tester for modern networking tasks and infrastructural diagnostics. Designed for network engineers requiring a robust toolset for both fiber and Multigigabit Ethernet environments, it offers:

• Advanced network discovery and topology mapping.
• Comprehensive diagnostics and troubleshooting features, enhancing network visibility and operational efficiency.
• A robust set of automated tests for precise network validation and troubleshooting, ensuring seamless moves, adds, and changes.

Network Discovery and Mapping

Quickly discovers and generates a topology map of your entire network, using the Link-Live reporting and analysis platform, providing instant visibility.

Comprehensive AutoTest Functionality

Validates and troubleshoots all aspects of network connectivity, including DHCP, DNS, gateway availability, link speed, and service response times.

Link Speed and Duplex Verification

The smart network tester tool checks link speed and duplex for 10/100 Mbps and 1 Gbps, with detection of Multigigabit links (NBASE-T 2.5G, 5G, 10 Gbps)

Advanced PoE Testing

Validates Power over Ethernet (PoE) up to 90W 802.3bt standard, with real load conditions, ensuring reliable deployment of PoE devices.

Sophisticated Network Cable Testing

The network cable tester conducts thorough tests for cable length, wiring errors, and signal integrity, crucial for maintaining a robust physical network infrastructure.

Path Analysis and Packet Capture

Offers detailed path analysis from the tester to a destination URL or IP, plus includes packet capture capabilities for in-depth traffic analysis.