RJ45 to COM female as pictured. 2 x RJ45 to COM Adaptor.
eBay
1.5m Usb C To Rj45 Console Cable Rs232 Serial Adapter For Router Rj 45 Data Cable Converter Type-C Switch Control Cables
Aliexpress UK
RS232 Serial to RJ45 CAT5 Ethernet Adapter is a cable designed for converting serial connections to Ethernet. It features a 1:1 connection split, a flat cable design for ease of use, and a length of 1.5m. The adapter has a DB shell size and connects via RJ45 CAT5 Ethernet to a serial connection, making it ideal for use with Cisco routers and other networking devices. Made in China, this unit is a practical and reliable solution for connecting computers and networking equipment.
eBay
(YY)1Pc 2025 New 1.8M USB to RS232 Serial to RJ45 Cable CAT5 Console Adapter Cable Cord for Routers
Aliexpress UK
Connector: RJ45 Male to 9 Pin RS232 Female. Connect from a port on your laptop directly to a console port, No adapter required. Cable Length: 1.5m.
eBay
XLR 3 pin RJ45 Adapter Cable-XLR 3 Pin Male to RJ45 + XLR 3 Pin Female to RJ45 Female DMX Ethernet Adapter Converter Cable
Aliexpress UK
1x 9Pin RS232 Serial to Cat 5 RJ45 Ethernet Adapter. ✔️ Connector: RJ45 Male to 9 Pin RS232 Female. ✔️ DB9 male to RJ45 male connector cable for TCP/IP network interface doual-way conversion, with the serial port network function, support serial data and network data bi-directional transparent transmission.
eBay
RJ45 Black+Green Converter Adapter RJ45 To Screw Terminal Adaptor Rj45 Female To 8 Connector For CCTV DVR
Aliexpress UK
Built-in FTDI chip, as long as you can connect to the Internet, it will automatically install the driver. (Huawei H3-S1500 series is not supported,). Type: USB2.0 RS232 to RJ45. USB Serial Cable, USB to Serial Cable, USB CONSOLE Cable.
eBay
CABLETIME USB Ethernet Adapter 100/1000 Mbps USB 3.0 RJ45 Network Card for Macbook Laptop Internet Adapter RJ45 Adapter
Aliexpress UK
This black RJ45 to RS232 DB9 male serial cable adapter for EPOS computer to connect to a serial device or printer. The adapter is designed with a RJ-45 connector on one end and a DB9 male connector on the other, making it easy to connect to different devices.
eBay
1 PC USB to Ethernet Adapter, USB to RJ45 Adapter, USB 2.0 Female to LAN RJ45 8P8C Male Crystal Ethernet Network Adapter
Aliexpress UK
UART Interface: 4 RS232 or 4 RS485 RS422 Composite Ports (Using Adapters). Item Type: RS232 RS485 to Ethernet Converter. Network Interface: 2 x 10/100M Adaptive RJ45 Ports. Equipped with 32bit ARM processor, it makes the data more stable.
eBay
USB Network Adapter RJ45 USB-C Network cable USB Gigabite Ethernet Adapter 100Mbps Realtek USB to RJ45 network adapter for Macs
Aliexpress UK
DB 9Pin RS232 Serial to RJ45 CAT5 Ethernet Adapter is a high-quality, reliable cable that allows you to connect your Ethernet network to a serial device. With a cable length of 1.5m and a flat cable design, it offers flexible and convenient connectivity. The cable features a 1:1 connection split/duplication and is designed for use with Cisco Routers. Its DB shell size and 5V output voltage make it a suitable choice for a range of applications. This cable is perfect for those who require parallel, serial and PS/2 connectivity.
eBay
CABLETIME USB A Ethernet Adapter 100/1000 Mbps USB 3.0 RJ45 Network Card RJ45 Adapter for Macbook Laptop Internet Adapter
Aliexpress UK