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

**URL:** https://aio.lv/en/product--a-lan-ni057--11631719
**Data updated:** 2026-01-21 13:44 (EET)
**Category:** Network Tools
**Manufacturer:** A-LAN
**Manufacturer code:** NI057
**EAN:** 5904204406222
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

A-LAN NI057 is a handheld UTP/STP network cable tester for continuity testing of Cat5e cables with RJ-45 connectors. It features PoE detection, cable length measurement, an LCD display and LED indicators, auto power-off after 15 minutes and a power LED. Battery-operated (9V) plastic construction with an on/off switch; suitable for installers and troubleshooting.

## Long description

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.
Usage 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.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All A-LAN products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized A-LAN service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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