Expert Features Instant Cable Testing: Quickly check RJ45 and RJ11 network cables for wiring issues such as opens, shorts, crossovers, and passes - perfect for troubleshooting or verifying custom-made cables. Supports PoE Identification: Accurately identifies PoE-enabled lines and checks for active power supply - complies with IEEE 802.3af / 802.3at standards for PoE detection. Plug-and-Play Functionality: No complicated software or setup required - just plug in the RJ45 or RJ11 cable to begin automatic testing with clear visual results. Straight & Crossover Detection: Efficiently detects whether the cable wiring is straight-through or crossover, a must-have for DIY networking or field installations. Compact & Portable Design: Lightweight construction and pocket-sized design make this tool ideal for field engineers, IT technicians, or home networking enthusiasts. Battery Operated: Powered by a single 9V PP3 battery (not included), making it perfect for mobile use without the need for external power sources. Durable Build Quality: Constructed for everyday use in home, office, or commercial environments with solid housing and reliable components. Essential for DIY Cable Makers: A great tool for anyone who builds or repairs their own network cables, including Cat5, Cat5e, Cat6, and telephone lines. Expert Specs Specification Details Product Name RJ45 & RJ11 Network Cable Tester Connector Support RJ45 (Ethernet), RJ11 (Telephone) Functions Detects Open, Short, Cross, Pass; Identifies Wiring Type PoE Compatibility Yes - IEEE 802.3af / 802.3at Standards Cable Types Supported Straight-through and Crossover Cables Power Source 9V PP3 Battery (Not Included) Display Type LED Indicator Lights Build Material Durable Plastic Housing Use Case IT Technicians, Network Engineers, DIY Cable Makers Setup Required None - Plug and Test Portability Compact and Lightweight Environment Suitable for Home, Office, and Field Use
