---
product_id: 269827670
title: "COOSO RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft"
brand: "lfhukeji"
price: "$19.51"
currency: USD
in_stock: true
reviews_count: 5
category: "Lfhukeji"
url: https://www.desertcart.us/products/269827670-cooso-rj45-to-rs232-db9-9-pin-serial-port-male
store_origin: US
region: United States of America
---

# 100 MB/s high-speed data transfer Universal RJ45 to DB9 serial port compatibility Double-shielded for interference-free signals COOSO RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft

**Brand:** lfhukeji
**Price:** $19.51
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect Like a Pro — Never Miss a Byte!

## Quick Answers

- **What is this?** COOSO RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft by lfhukeji
- **How much does it cost?** $19.51 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/269827670-cooso-rj45-to-rs232-db9-9-pin-serial-port-male)

## 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

- • **Compact & Durable Design:** 3.3ft transparent cable built to last and fit perfectly in tight networking racks or desktop setups.
- • **Premium Signal Integrity:** Oxygen-free copper wiring combined with double shielding guarantees crystal-clear, lag-free communication.
- • **Plug & Play Console Access:** Instantly connect your PC to Cisco and other major routers without hassle or extra drivers.
- • **Seamless Dual-Way Data Flow:** Bi-directional transparent transmission keeps your network and serial data perfectly in sync.
- • **Universal Router Compatibility:** Works flawlessly with Cisco, TP-Link, and most market-leading network devices—future-proof your setup.

## Overview

The COOSO RJ45 to RS232 DB9 serial console cable offers a reliable 3.3ft connection for professional network management. Featuring 100 MB/s data transfer over oxygen-free copper wire with double shielding, it ensures interference-free, high-speed communication. Compatible with Cisco, TP-Link, and most routers, this plug-and-play cable is essential for seamless console access and network device configuration.

## Description

The LFHUKEJI rollover console cable will help you to connect your PC to a Cisco device through the console port. It works with Cisco gear both new and old.This cable is identical to the one that ships with Cisco switches, firewalls, routers, wireless devices and more. It works with Cisco gear both new and old. Most folksuse the standard Windows Hyperterminal or some other terminal emulation software to access the Cisco IOS through the console port. If youhave a newer laptop, it may not have the 9-pin serial port, in which case you should purchase the USB Console Cable Kit found in this same category. Note:Recently there are many users will not set the problem, please use Google before you set the tutorial

Review: RJ45 to RS232COOSO DB9 9-Pin - Plug and play
Review: Worth it - Durable and works great. Fits just right and you can move around well. Worth the money.

## 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
- Compatible with most routers on the market, such as Cisco and TPlink etc
- 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 | B01MF9F7HF |
| Best Sellers Rank | #12,638 in Computers ( See Top 100 in Computers ) #9 in Serial Cables |
| Brand | LFHUKEJI |
| Brand Name | LFHUKEJI |
| Cable Type | RJ45 & DB9 |
| Cable type | RJ45 & DB9 |
| Color | Transparent |
| Compatible Devices | Router, Switch, Firewall, Wireless Device |
| Compatible Phone Models | No Compatible Phone Models |
| Compatible devices | Router, Switch, Firewall, Wireless Device |
| Compatible phone models | No Compatible Phone Models |
| Connectivity Technology | Serial Port |
| Connector Gender | Male-to-Female |
| Connector Type | DB9, RJ45 |
| Connector type | DB9, RJ45 |
| Customer Package Type | standard packaging |
| Customer Reviews | 4.4 out of 5 stars 350 Reviews |
| Data Transfer Rate | 100 Megabytes Per Second |
| Ethernet Cable Category | Cat 5e |
| Indoor Outdoor Usage | Indoor |
| Item Length | 100 Centimeters |
| Item Shape | Round |
| Item Weight | 1.9 Ounces |
| Manufacturer | GUSHU Ltd. |
| Model | GU13 |
| Model Name | GU13 |
| Number of Items | 1 |
| Number of Pins | 9 |
| Other Special Features of the Product | High Speed |
| Part Number | GU13 |
| Recommended Uses For Product | Connecting network devices, data transfer between computers and peripherals, console management of network equipment |
| Special features | High Speed |
| Specification Met | UL |
| UPC | 603983181157 |
| Unit Count | 1.0 Count |
| Wattage | 600 watts |

## Product Details

- **Brand:** LFHUKEJI
- **Cable type:** RJ45 & DB9
- **Compatible devices:** Router, Switch, Firewall, Wireless Device
- **Connector type:** DB9, RJ45
- **Special features:** High Speed

## Images

![COOSO RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft - Image 1](https://m.media-amazon.com/images/I/61-9fAgZe1L.jpg)
![COOSO RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft - Image 2](https://m.media-amazon.com/images/I/51FbB5jvplL.jpg)
![COOSO RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft - Image 3](https://m.media-amazon.com/images/I/51jTY6RFfnL.jpg)
![COOSO RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft - Image 4](https://m.media-amazon.com/images/I/51EhIEzR7cL.jpg)
![COOSO RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft - Image 5](https://m.media-amazon.com/images/I/51eubBdWEgL.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

### ⭐⭐⭐⭐⭐ RJ45 to RS232COOSO DB9 9-Pin
*by S***O on 9 October 2024*

Plug and play

### ⭐⭐⭐⭐⭐ Worth it
*by T***Y on 1 July 2025*

Durable and works great. Fits just right and you can move around well. Worth the money.

### ⭐⭐⭐⭐ Cumple
*by I***N on 28 December 2019*

Cumple con su cometido

## Frequently Bought Together

- LFHUKEJI RJ45 to RS232, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft
- LFHUKEJI RJ45 to RS232, DB9 9-Pin Serial Port Female to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft
- OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)…

---

## 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/269827670-cooso-rj45-to-rs232-db9-9-pin-serial-port-male](https://www.desertcart.us/products/269827670-cooso-rj45-to-rs232-db9-9-pin-serial-port-male)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-20*