{"product_id":"oullx-multifunctional-network-cable-tester-hdmi-rj45-rj11-poe","title":"OULLX Network Cable Tester – HDMI, RJ45, RJ11 \u0026 POE","description":"\n\u003ch2\u003eOULLX Multifunctional Network Cable Tester – HDMI, RJ45, RJ11 \u0026amp; POE\u003c\/h2\u003e\n\u003cp\u003eKeep your network installations running flawlessly with the \u003cstrong\u003eOULLX Multifunctional Cable Tester\u003c\/strong\u003e. Designed for IT professionals, home networkers, and telecom technicians alike, this versatile tester checks the integrity of HDMI-compatible cables, RJ45 Ethernet (8P8C) LAN cables, RJ11 telephone lines, and POE (Power over Ethernet) connections — all in one compact device. The built-in anti-burn protection circuit safeguards both the tester and your equipment during every test.\u003c\/p\u003e\n\n\u003cblockquote\u003e\n\u003cstrong\u003e⚠️ Important Note:\u003c\/strong\u003e This tester is designed for cables with metal physical connections only. It \u003cstrong\u003ecannot\u003c\/strong\u003e detect fiber optic HDMI cables.\u003c\/blockquote\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Cable Compatibility:\u003c\/strong\u003e Tests HDMI-compatible, RJ45 LAN (8P8C), and RJ11 telephone cables in a single unit — no need for multiple tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePOE Detection:\u003c\/strong\u003e Identifies Power over Ethernet availability on your network lines quickly and accurately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Burn Protection:\u003c\/strong\u003e Built-in safeguard circuit prevents damage from accidental live-line testing, protecting both the device and your network hardware.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring Fault Diagnosis:\u003c\/strong\u003e Instantly identifies open circuits, short circuits, crossed wires, and miswiring across all supported cable types.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Lightweight and easy to carry to job sites, server rooms, or home network setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Battery Included:\u003c\/strong\u003e Uses standard batteries (not included) — easy to source locally.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e OULLX 681 468\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × OULLX Multifunctional Cable Tester (Main Unit)\u003c\/li\u003e\n  \u003cli\u003e1 × Remote Unit\u003c\/li\u003e\n  \u003cli\u003ePackaging included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOULLX\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e681 468\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Cables\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHDMI (metal contact), RJ45 (8P8C), RJ11, POE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnti-Burn Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/airtight-transparent-pet-storage-bottle-craft-beads-home-organization\"\u003eAirtight Transparent PET Storage Bottle | Beads \u0026amp; Crafts\u003c\/a\u003e — Great for organizing small connectors and cable accessories.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/vintage-baroque-embossed-metal-decorative-tray-jewelry-organizer\"\u003eVintage Baroque Embossed Metal Tray – Jewelry \u0026amp; Decor Organizer\u003c\/a\u003e — Keep your workspace tidy and organized.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/ceramic-mini-sealed-storage-jar-portable-travel-container\"\u003eCeramic Mini Sealed Storage Jar – Portable Travel Container\u003c\/a\u003e — Handy storage for small components and accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Can this cable tester detect fiber optic HDMI cables?\u003c\/h4\u003e\n\u003cp\u003eA: No. The OULLX multifunctional cable tester is designed for cables with metal physical connections only. It cannot test fiber optic HDMI cables. It supports standard copper HDMI-compatible cables, RJ45 Ethernet (8P8C) cables, RJ11 telephone lines, and POE lines.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the anti-burn protection feature do on the OULLX RJ45 cable tester?\u003c\/h4\u003e\n\u003cp\u003eA: The anti-burn protection circuit is a built-in safety feature that prevents the tester and connected network equipment from being damaged if a live or powered line is accidentally connected during testing. It adds an important layer of safety for professional and home use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this network cable tester come with batteries?\u003c\/h4\u003e\n\u003cp\u003eA: Batteries are not included with the OULLX cable tester. You will need to supply your own compatible batteries, which are widely available at most local stores.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this tester suitable for testing POE (Power over Ethernet) cables?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The OULLX multifunctional tester supports POE detection, allowing you to quickly verify whether Power over Ethernet is present on your network lines — ideal for IP camera and VoIP phone installations.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can this cable tester detect fiber optic HDMI cables?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The OULLX multifunctional cable tester is designed for cables with metal physical connections only. It cannot test fiber optic HDMI cables. 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