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NetAlly LRAT-4000-KIT LinkRunner AT 4000 Advanced Network & Cable Tester - Gigabit Ethernet - PoE - Fiber - SFP Slot - 9-Hour Battery
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
The LinkRunner AT 4000 supports a broad spectrum of network standards, including Gigabit Ethernet (1000Base-T) and multiple fiber optic variants (1000Base-SX/LX/ZX, 100Base-FX). It automatically detects link speed and duplex settings from 10/100 Mbps up to 1 Gbps, with additional capability to identify emerging NBASE-T and Multigigabit rates of 2.5G, 5G, and 10 Gbps.
Its testing architecture incorporates two RJ-45 ports and two USB ports for flexible connectivity, plus one SFP expansion slot for fiber optic module integration. The device performs TruePower™ loading to validate PoE delivery up to 90W per the 802.3bt standard, ensuring powered device compatibility and cable integrity under load.
Relevant factors for this section include Device Function, USB, Network (RJ-45), Number of USB Ports. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The LinkRunner AT 4000 distinguishes itself through automated workflow integration and depth of analysis. Its AutoTest function comprehensively validates network services—including DHCP, DNS, and HTTP/FTP response times—while advanced cable qualification goes beyond basic continuity to identify faults like split pairs, crossovers, and length discrepancies.
Link-Live™ Cloud Platform
Enables automatic network topology mapping, remote tester control, and centralized result management. Test data uploads facilitate collaborative troubleshooting and audit-ready documentation.
- Automated topology discovery
- Remote control capability
- Centralized reporting
Advanced Cable Analysis
Performs twisted-pair wire mapping, distance-to-fault measurements, and fiber optic power level verification. Optional WireView adapters enable precise cable endpoint identification.
- Wiremap validation
- Fault location
- Fiber signal strength
Deployment / Use Cases
This tester is optimized for network installation, maintenance, and troubleshooting scenarios where rapid, accurate diagnostics are critical. It serves IT teams, network contractors, and data center operators who require a single tool to validate everything from basic connectivity to complex performance issues.
Typical applications include pre- and post-installation certification of structured cabling, PoE device deployment verification, fiber optic link acceptance testing, and intermittent network problem isolation. The Path Analysis tool and line-rate packet capture functionality provide deeper insight for resolving latency, congestion, or configuration-related anomalies.
Enterprise Network Validation
Verify switch port configuration, VLAN assignments, and service availability during new deployments or change management procedures.
Field Service Troubleshooting
Quickly isolate cabling faults, PoE failures, or fiber link degradation at remote sites without requiring bulky bench equipment.
Physical Profile
The LinkRunner AT 4000 features a compact, field-portable design measuring 7.72" (196.09 mm) in height, 4.02" (102.11 mm) in width, and 1.65" (41.91 mm) in depth. Weighing just over one pound, it balances substantial testing capability with easy one-handed operation. The included shoulder sling bag provides protective storage and convenient transport during site walks.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 7.72" (196.09 mm), 4.02" (102.11 mm), 1.65" (41.91 mm), 1.06 lb (480.81 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 4.02" (102.11 mm)
- Depth
- 1.65" (41.91 mm)
- Height
- 7.72" (196.09 mm)
- Weight
- 1.06 lb (480.81 g)
What's in the Box
The kit includes everything needed for immediate operation and comprehensive testing scenarios.
Highlights
- Automatically discovers network topology and generates maps via Link-Live™ cloud platform.
- Validates PoE delivery up to 90W (802.3bt) with TruePower™ loading technology.
- Tests twisted-pair and fiber optic cabling for faults, length, and signal integrity.
- Detects link speeds from 10/100 Mbps to 10 Gbps, including NBASE-T rates.
- Identifies connected switch details (CDP/LLDP/EDP) including port and VLAN information.
- Performs comprehensive AutoTest of network services (DHCP, DNS, HTTP/FTP).
- Includes advanced tools for Path Analysis and line-rate packet capture.
- Features two RJ-45 ports, two USB ports, and one SFP expansion slot.
- Offers 9-hour battery runtime with rechargeable Lithium-Ion chemistry.
- Comes complete with WireView adapters, SFP module, and shoulder bag.
Specifications
| Specifications | |
|---|---|
| Manufacturer | NetAlly |
| Manufacturer Part Number | LRAT-4000-KIT |
| Brand Name | NetAlly |
| Product Line | LinkRunner |
| Product Model | LRAT-4000-KIT |
| Product Name | LinkRunner AT 4000 Advanced Network & Cable Tester |
| Product Type | Cable/Network Tester |
| Technical Information | |
| Device Function | Network Testing,Cable Testing,PoE Testing,Fiber Optic Cable Testing,LAN Cable Testing |
| Interfaces/Ports | |
| USB | Yes |
| Network (RJ-45) | Yes |
| Number of USB Ports | 2 |
| Number of Network (RJ-45) Ports | 2 |
| Wireless Specifications | |
| Wireless LAN | No |
| Media & Performance | |
| Media Type Supported | Twisted Pair,Optical Fiber |
| Network & Communication | |
| Network Standard | 1000Base-T,1000Base-X,1000Base-SX,1000Base-LX,1000Base-ZX,100Base-FX |
| Ethernet Technology | Gigabit Ethernet |
| Display & Graphics | |
| Display Screen Type | LCD |
| I/O Expansions | |
| Total Number of Expansion Slots | 1 |
| Expansion Slot Type | SFP |
| Number of SFP Slots | 1 |
| Battery Information | |
| Battery Size Supported | Proprietary Battery Size |
| Battery Rechargeable | Yes |
| Battery Life | 9 Hour |
| Battery Chemistry | Lithium Ion (Li-Ion) |
| Power Description | |
| Input Voltage | 120 V AC,230 V AC |
| Physical Characteristics | |
| Height | 7.72" (196.09 mm) |
| Width | 4.02" (102.11 mm) |
| Depth | 1.65" (41.91 mm) |
| Weight (Approximate) | 1.06 lb (480.81 g) |
| Miscellaneous | |
| Package Contents | LinkRunner AT 4000 Tester with 1 Year of AllyCare Support (LRAT-4000-1YS) Power Supply with Regional Power Plugs WireView Cable ID #1-#6 RJ-45 Coupler 850nm Multimode 1 Gbps SFP Holster Getting Started Guide Shoulder Sling Bag |
User Manual
FAQ
What types of network cables can the LinkRunner AT 4000 test?
The tester supports both twisted-pair copper cables and optical fiber cables. It performs wire mapping, length measurement, and fault detection on copper cabling, while also measuring signal strength and verifying link integrity on fiber optic connections through its SFP slot.
How does this tester validate Power over Ethernet (PoE)?
The LinkRunner AT 4000 uses TruePower™ loading technology to validate PoE delivery up to 90 watts per the IEEE 802.3bt standard. It tests both the switching equipment's power capability and the cable's ability to deliver that power under load, ensuring compatibility with high-power devices like access points and cameras.
What network speeds and standards does it support?
It supports Gigabit Ethernet (1000Base-T) and multiple fiber standards including 1000Base-SX, LX, ZX, and 100Base-FX. Beyond standard rates, it detects emerging NBASE-T and Multigigabit speeds of 2.5G, 5G, and 10 Gbps, providing forward compatibility with modern network infrastructure.
Can the LinkRunner AT 4000 identify connected network equipment?
Yes, it discovers nearest switch information including device name, port number, and VLAN assignments using industry-standard protocols like CDP, LLDP, and EDP. This capability simplifies network documentation and troubleshooting by revealing exactly how devices are connected.
What is included in the kit version (LRAT-4000-KIT)?
The kit includes the LinkRunner AT 4000 tester with one year of AllyCare support, power supply with regional plugs, WireView cable identification adapters (#1-#6), RJ-45 coupler, 850nm multimode 1 Gbps SFP module, holster, getting started guide, and a shoulder sling bag for complete field readiness.
What connectivity or interface options are available?
Connectivity support is listed in the product specifications, including the relevant wireless or port options when available.
| Qty | Price | Available |
|---|
