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).
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TZW DB9 Male and female base test board 9P male and female base adapter board to 2.54DIP data cable
Aliexpress UK
RJ45 to COM Adaptor fully assembled. 1 x RJ45 to COM Adaptor. RJ45 to COM female as pictured. We will try everything we can to resolve the issue for you.
eBay
Juxin DB9 serial port cable RS232 connecting line male to male and female to female 9-pin COM port
Aliexpress UK
Connection: DB9 (RS232) male 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 engineered.
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MINI DB9/DB15 9/15Pin Female/Female/Male Gender Changer VGA Plug connector Adapter D-Sub RS232
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.
eBay
DB9 Male to 2 Female Serial Rs232 Splitter Cable Rs232 Male to 2 Female 2 in One for Cash Register
Aliexpress UK
The DB9 9-Pin RS232 Serial Port Female to RJ45 Male Cat5e UTP 24AWG Patch Cord.
eBay
CAN BUS CAN FD Bus for Tap Connection for CAN BUS System 9 D Sub RS232 DB9 Female to Male and Female
Aliexpress UK
eBay
DB9 Connector D-SUB 9Pin male female solderless serial AWG Wire cable adapter with shell rs485 plug
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
Dual XLR 3Pin Female male to RJ45 female audio Network Interface female to XLR 3pin female Audio
Aliexpress UK
RS232 9-Pin Serial to RJ45 Cat5 Ethernet. 1 9-Pin DB9 Serial RS232 Port to RJ45 Cat5 Ethernet LAN Rollover Console Cable. USB Receiver For Logitech MK270 MK345 Nano Wireless Mouse Keyboard Combo. Watch Strap Band For Casio A168 A158 F91W F84 F105 F108 AE1200 AE1300 AE1000.
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Vention Cat7 Ethernet Extension Cable RJ45 Cat7/Cat6 Male to Female Rj45 Ethernet Extender Adapter
Aliexpress UK