1 X USB to RJ50 Cable. Color: black. 100% new and high quality.
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100Mbps USB C Network Card USB To RJ45 Ethernet Lan Adapter 3 USB 2.0 Type C Hub for MacBook Xiaomi Samsung Huawei PC Computer
Aliexpress UK
This modular adapter has a DB9 female connector that plugs into DB9 RS232 serial port and converts it to an RJ45 connection. These modular adapters convert from a DB9 to an RJ45 socket jack (female).
eBay
1000Mbps Gigabit Ethernet PCI Express PCI-E Network Card 10/100/1000M RJ-45 RJ45 LAN Adapter Converter Network Controller
Aliexpress UK
UART Interface: 1 RS232, 1 RS485 RS422 Composite Port. Item Type: RS232 RS485 Serial to Ethernet Adapter. 1 x RS232 RS485 Serial to Ethernet Adapter. POWERFUL INDICATOR FUNCTION: With power, Link/act, TX, RX and RS232 five indicators, can intuitively display the working status of the device.
eBay
Thunderbolt 2 To FireWire 800 RJ45 9pin Adapter Thunderbolt 3 2 To Fire 1394B network Card Suitable for Mac Computers Equipped
Aliexpress UK
This modular adapter has a DB9 female connector that plugs into DB9 RS232 serial port and converts it to an RJ45 connection. These modular adapters convert from a DB9 to an RJ45 socket jack (female).
eBay
CABLETIME USB A Ethernet Adapter 100/1000 Mbps USB 3.0 RJ45 Network Card for Nintendo Switch Macbook Laptop Internet Adapter
Aliexpress UK
Connection: DB9 (RS232) Female to RJ45 female Console adapter 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. Compatibility: Compatible with Standard 9 Pin D-sub RS-232 Devices, such as computer, laptop, printer, modem, router, PDA, POS device, digital CNC machine tool, Barcode scanner, etc. 65.6FT: Connect the equipment serial port to the RJ45 console port on routers, support maximum distance 65.6FT. Helpful: Nick-plated and Oxygen-free copper transmission port on the port minimize crosstalk, suppress noise, and protect against electromagnetic interference (EMI) and radio frequency interference (RFI),Premium adapter engineer.
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Newest USB 2.0 to RS232 Serial Converter 9 Pin Adapter Serial PL2303 DB9 Plug Adapter Computer Converter for Win7/8
Aliexpress UK
RS232(DB9) Female Size : 31 x 12 x 17mm(L W H). This console adapter contains a female RJ-45 connector and a female DB-9 Serial connector. Connector Type: RJ45 Female, RS232 female connector. These adapters are used to run RS232 data over long distances (up to 100m) using UTP Cat 5e cable to bridge the gap.
eBay
New USB 2.0 to RS232 COM Port Serial Port 9 Pin DB9 Cable Adapter Convertor With Female Adapter With CD For Windows 10/98/7/8
Aliexpress UK
This modular adapter has a DB9 female connector that plugs into DB9 RS232 serial port and converts it to an RJ45 connection. These modular adapters convert from a DB9 to an RJ45 socket jack (female).
eBay
DB9P Console Cable RJ45 Connector Ethernet To RS232 DB9 Port Serial Routers Networking Cables For Cisco Switch Router Blue 1.8m
Aliexpress UK
This modular adapter has a DB9 female connector that plugs into DB9 RS232 serial port and converts it to an RJ45 connection. These modular adapters convert from a DB9 to an RJ45 socket jack (female).
eBay
Prolific USB to RJ45 RS232 Serial NexRemote PC Port Cable for Connecting Celestron GPS CPC CGE Telescope Mount to Computer
Aliexpress UK