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Model: SE‑L100 / TY‑336 • Category: Network Test Tool • Usage: Cable continuity & wiring tester

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📦 Product Overview

The SE‑L100 Network Tool (TY‑336) is a compact, hand‑held network cable tester designed for quick and accurate checking of Ethernet and telephone cables. It’s ideal for IT technicians, installers, network administrators, and DIY users who need to verify and troubleshoot cable connections in local area networks (LAN).

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🔧 Key Features

✔ Cable Compatibility: Designed to test RJ45 Ethernet cables (Cat5/Cat5e/Cat6) and usually RJ11 telephone cables.

✔ Continuity & Wiring Check: Verifies whether all cable pairs are correctly connected and identifies open circuits, shorts, and mis‑wires (wrong wiring order).

✔ Straight & Crossover Detection: Can distinguish between straight‑through and crossover wiring configurations used in different network setups.

✔ LED Indicators: Bright LEDs show the status of each wire pair — making it easy to spot bad connections.

✔ Portable & Lightweight: Small form‑factor design makes it easy to carry in a toolbox or tech bag.

✔ Battery Powered: Operates from a single battery (often 9 V — check your specific package).

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📊 Typical Specifications

Specification    Details

Device Type    Network Cable Tester / Wire Mapping Tool
Connectors Tested    RJ45 (Ethernet), RJ11 (Phone)
Tests Performed    Continuity, Open/Short, Mis‑wires, Straight/Crossover
Power    Battery powered (e.g., 9 V battery; not always included)
Indicators    LED pin lights for each cable wire
Display Type    LED signal indicators
Port Count    1 main unit + remote/tester plug unit

> 📌 Actual specs may vary slightly by supplier — confirm with your stock’s datasheet.

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🔍 What It Does

Check Cable Wiring: Plug one end of your Ethernet or telephone cable into the main unit and the other end into the remote tester. The tool sends a signal through each wire pair and displays the result via LEDs.

Detect Faults: Quickly reveals wiring faults such as open wires, short circuits, crossed wires, or missing connections.

Ideal for Installers: Especially useful for network installers making custom patch cables or diagnosing connectivity issues in new or existing LAN setups.

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📦 Package Contents (Typical)

1 × Network Cable Tester Main Unit

1 × Remote / Plug‑in Test Unit

Instruction Manual

Battery (if included by seller)

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> The SE‑L100 Network Tool (TY‑336) is a reliable, easy‑to‑use cable tester that checks Ethernet and telephone cable connectivity and wiring quality. It helps you quickly identify open circuits, shorts, mis‑wires and wiring order issues on RJ45 and RJ11 cables. With clear LED indicators and a compact design, this network tester is perfect for technicians, IT professionals, and anyone installing or maintaining local area network cabling.

✔ Include photos of the tester with both main unit and remote unit visible.
✔ Add a step‑by‑step guide on how to test a cable properly (e.g., plug each end and read LEDs).
✔ Use keywords like network cable tester, LAN tester, Ethernet cable checker, RJ45 tester for search optimization.

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