RJ45 & RJ11 Network Cable Tester | Quick Diagnostic for Open, Cross, Pass, Short | IEEE 802.3af/at PoE Compatible | Ideal for Custom Network Cable Builds

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