UTP/STP cable tester A-LAN NI057 with PoE detection, cable length measurement, RJ-45 support, LCD and LED indicators

A-LAN NI057 is a handheld UTP/STP cable tester designed for continuity testing of Cat5e cables with RJ-45 connectors. The device provides PoE detection, cable length measurement, an LCD display and LED indicators, and is powered by a 9V battery. The compact plastic housing includes an on/off switch and an automatic shut-off after 15 minutes of inactivity.

Advantages

The tester combines an LCD and LED indicators for clear test results and includes PoE detection and cable length measurement to speed up diagnostics. Its battery operation and auto power-off function increase portability and battery life, while the simple controls and RJ-45 support make it suitable for quick on-site checks.

Suitable for

• Installers validating network cable continuity and wiring
• Field technicians troubleshooting Cat5e UTP/STP cables
• Network maintenance checks that require PoE detection and length measurement

Key specifications

• Cable types supported: Cat5e (UTP and STP)
• Supported connector: RJ-45
• Test type: Continuity testing
• PoE detection: Yes
• Cable length measurement: Yes
• Display: LCD plus LED indicators and power LED
• Power supply: 9V battery (battery operated)
• Auto power off: 15 minutes
• Housing material: Plastic
• Color: Black

How to use

Insert a 9V battery into the tester, connect the RJ-45 ends of the cable to the appropriate ports, and switch the device on. Read the test results on the LCD and verify status using the LED indicators. Use the PoE detection function to check for injected power and the length measurement to estimate cable run distance. The unit will power off automatically after 15 minutes of inactivity.

Recommendations

Avoid contact with conductive parts during testing. Use the device in dry conditions and replace the 9V battery when the power LED indicates low battery or when display/indicator brightness decreases.