--- product_id: 39597013 title: "RJ45 to RS232 male 4.9Ft" brand: "lfhukeji" price: "$21.14" currency: USD in_stock: true reviews_count: 13 category: "Lfhukeji" url: https://www.desertcart.us/products/39597013-rj45-to-rs232-male-4-9ft store_origin: US region: United States of America --- # High-speed oxygen-free copper transmission RJ45 Cat5 Ethernet LAN console port 9-pin DB9 RS232 male connector RJ45 to RS232 male 4.9Ft **Brand:** lfhukeji **Price:** $21.14 **Availability:** ✅ In Stock ## Summary > 🔧 Connect like a pro — master your network console with flawless precision! ## Quick Answers - **What is this?** RJ45 to RS232 male 4.9Ft by lfhukeji - **How much does it cost?** $21.14 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/39597013-rj45-to-rs232-male-4-9ft) ## Best For - lfhukeji enthusiasts ## Why This Product - Trusted lfhukeji brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Reliable Build:** Oxygen-free copper wiring and robust connectors guarantee long-lasting performance under pressure. - • **Seamless Dual-Way Data Flow:** Bi-directional transparent transmission for serial and network data keeps your devices perfectly in sync. - • **Optimal Length for Flexibility:** 4.9 feet of premium cable length gives you the freedom to connect and configure with ease. - • **Interference-Free Signal Integrity:** Double-shielded cable design ensures crystal-clear, high-speed communication without signal noise. - • **Universal Router & Switch Compatibility:** Works flawlessly with most routers and switches featuring console ports—engineer-approved. ## Overview The LFHUKEJI RJ45 to RS232 DB9 9-Pin Serial Port Male to RJ45 Cat5 Ethernet LAN Console Cable (4.9ft) is a high-quality, double-shielded cable designed for bi-directional transparent data transmission. Compatible with most routers and switches featuring console ports, it enables seamless network device configuration and debugging. Featuring oxygen-free copper wiring for high-speed, interference-free signal transfer, this cable is a must-have for network engineers and IT professionals seeking reliable, durable connectivity. ## Description Buy LFHUKEJI RJ45 to RS232,DB9 9-Pin Serial Port Male to RJ45 Cat5 Ethernet LAN Console 4.9Ft: Serial Adapters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Worth it - Durable and works great. Fits just right and you can move around well. Worth the money. Review: Works well with low baud - Simple, works will with low baudrate communications (128k baud) ## Features - DB9 RS232 male to RJ45 female cable for TCP/IP network interface with the doual-way conversion, with the serial port network function, support serial data and network data bi-directional transparent transmission - Connect the equipment serial port to the RJ45 console port on routers, the cable can help engineer through the PC update the network device settings and device understratum operating - Compatible with most routers switch on the market.Please note that your device interface must have the "console" identification character.We do not support devices such as printers that do not have a "console" port. - Oxygen-free copper transmission wire, high-speed clear signal transmission - Double-shielded standard to ensure that signal transmission without interference ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01MF9EZBP | | Best Sellers Rank | #16 in Serial Cables | | Brand Name | LFHUKEJI | | Cable Type | Ethernet, USB | | Color | Transparent | | Compatible Devices | PC, Router, Switch | | Compatible Phone Models | No Compatible Phone Models | | Connectivity Technology | Ethernet | | Connector Gender | Male-to-Female | | Connector Type | RJ45, USB | | Customer Package Type | FFP | | Customer Reviews | 4.3 4.3 out of 5 stars (352) | | Ethernet Cable Category | Cat 5e | | Indoor Outdoor Usage | Indoor, Outdoor | | Item Length | 4.9 Feet | | Item Shape | Round | | Item Weight | 75 Grams | | Manufacturer | GUSHU Ltd. | | Model | GU13 | | Number of Items | 1 | | Number of Pins | 9 | | Other Special Features of the Product | High Speed | | Recommended Uses For Product | debug console | | Specification Met | FCC | | UPC | 603983181164 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** LFHUKEJI - **Cable Type:** Ethernet, USB - **Compatible Devices:** PC, Router, Switch - **Connector Type:** RJ45, USB - **Special Feature:** High Speed ## Images ![RJ45 to RS232 male 4.9Ft - Image 1](https://m.media-amazon.com/images/I/61-9fAgZe1L.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: May I see the pin-out diagram?** A: Pin-out /RJ45 to rs232: 1-8;2-6;3-2;4-1;5-5;6-3;7-4;8-7. **Q: monitor has (vga) connector hardrive rj45 connector will this work** A: If you are trying to see what is on the screen this is not the correct cable. You need a VGA video cable. This is a cable used for other things such as networking or connecting a special type of printer to a terminal **Q: Will this work for Juniper devices?** A: only support juniper devices with console port. **Q: so i just send udp/tcp protocol in my code and it will convert to serial?** A: Yes, for me, it works. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worth it *by T***Y on July 1, 2025* Durable and works great. Fits just right and you can move around well. Worth the money. ### ⭐⭐⭐⭐⭐ Works well with low baud *by N***R on June 29, 2025* Simple, works will with low baudrate communications (128k baud) ### ⭐⭐⭐⭐⭐ Perfect for my networking project of restoring some vintage computer equipment. *by J***T on April 25, 2020* Perfect for my networking project of restoring some vintage computer equipment. Beware if you buy this, don't think it doesn't work. You may have to remove some pins from the 9-Pin connection depending on what you are doing. Just be sure to research which pins that you need to remove. ## Frequently Bought Together - LFHUKEJI RJ45 to RS232,DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 4.9Ft - zdyCGTime RJ45 to RS232 Cable, DB9 9-Pin Serial Port Female&Male to RJ45 Female Cat5/6 Ethernet LAN Console（15CM/6Inch） 2Pack - USB to RJ45 Console Cable 2pack, Essential Tool for Cisco, NETGEAR, Ubiquiti, LINKSYS, TP-Link Routers/Switches Connection, Compatible with Windows, Mac, Linux Laptops --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/39597013-rj45-to-rs232-male-4-9ft](https://www.desertcart.us/products/39597013-rj45-to-rs232-male-4-9ft) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*