![Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length, Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71RvYgnQZ3L._AC_UF894,1000_QL80_.jpg)
Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,
![Amazon.com: DTech DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX RX line for Data Communication (5 Feet, Black) : Electronics Amazon.com: DTech DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX RX line for Data Communication (5 Feet, Black) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61+zj0z8kJL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DTech DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX RX line for Data Communication (5 Feet, Black) : Electronics
![Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Electronics Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71OBbDUesQL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Electronics
![Amazon.com: StarTech.com USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter (ICUSB2321F) : Electronics Amazon.com: StarTech.com USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter (ICUSB2321F) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71Kp2QUA0qL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: StarTech.com USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter (ICUSB2321F) : Electronics
![Amazon.com: LinksTek 2-Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs-PCIE Serial Port Card (PCIE-SE2) : Electronics Amazon.com: LinksTek 2-Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs-PCIE Serial Port Card (PCIE-SE2) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61+YIg2zWtL._AC_UF894,1000_QL80_.jpg)
Amazon.com: LinksTek 2-Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs-PCIE Serial Port Card (PCIE-SE2) : Electronics
![StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61Vb4DrfL2L._AC_UF894,1000_QL80_.jpg)
StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black
![Amazon.com: DB9 RS232 to RJ45 Extender, DB9 9-Pin Serial Port Female&Male to RJ45 CAT5 CAT6 Ethernet LAN Extend Adapter Cable-2pcs (2-Adapter) : Electronics Amazon.com: DB9 RS232 to RJ45 Extender, DB9 9-Pin Serial Port Female&Male to RJ45 CAT5 CAT6 Ethernet LAN Extend Adapter Cable-2pcs (2-Adapter) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71ZHrGvxLZL.jpg)
Amazon.com: DB9 RS232 to RJ45 Extender, DB9 9-Pin Serial Port Female&Male to RJ45 CAT5 CAT6 Ethernet LAN Extend Adapter Cable-2pcs (2-Adapter) : Electronics
![Amazon.com: Your Cable Store RS232 DB9 9 Pin Serial Port Cable Female / Female (3 feet) : Electronics Amazon.com: Your Cable Store RS232 DB9 9 Pin Serial Port Cable Female / Female (3 feet) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51BciZYVs4L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Your Cable Store RS232 DB9 9 Pin Serial Port Cable Female / Female (3 feet) : Electronics
![Amazon.com: RS232 Serial Port to TTL Converter Module for Equipment Upgrades Like DVD with 4 20CM Doupont Cables : Electronics Amazon.com: RS232 Serial Port to TTL Converter Module for Equipment Upgrades Like DVD with 4 20CM Doupont Cables : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61qeRkro4kL._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS232 Serial Port to TTL Converter Module for Equipment Upgrades Like DVD with 4 20CM Doupont Cables : Electronics
![Amazon.com: Gearmo 2-Port USB to Serial Adapter TX/RX LED & COM Retention FTDI Chipset 920K Baud Rate : Electronics Amazon.com: Gearmo 2-Port USB to Serial Adapter TX/RX LED & COM Retention FTDI Chipset 920K Baud Rate : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61gMUrD1VNL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Gearmo 2-Port USB to Serial Adapter TX/RX LED & COM Retention FTDI Chipset 920K Baud Rate : Electronics
![Amazon.com: OIKWAN USB C to RS232 DB9 Serial Port Adapter Cable(USB-C to Serial, USB C to DB9, USB C to RS232) with FTDI Chipset Supports Windows 10 8 7 and Mac Linux… : Amazon.com: OIKWAN USB C to RS232 DB9 Serial Port Adapter Cable(USB-C to Serial, USB C to DB9, USB C to RS232) with FTDI Chipset Supports Windows 10 8 7 and Mac Linux… :](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/514DajGCkZL._AC_UF894,1000_QL80_.jpg)
Amazon.com: OIKWAN USB C to RS232 DB9 Serial Port Adapter Cable(USB-C to Serial, USB C to DB9, USB C to RS232) with FTDI Chipset Supports Windows 10 8 7 and Mac Linux… :
![Amazon.com: StarTech.com 3m RS232 Serial Null Modem Cable, Crossover Serial Cable w/Al-Mylar Shielding, DB9 Serial COM Port Cable Female to Male, Compatible w/DTE Devices, Black, F/M (9FMNM-3M-RS232-CABLE) : Electronics Amazon.com: StarTech.com 3m RS232 Serial Null Modem Cable, Crossover Serial Cable w/Al-Mylar Shielding, DB9 Serial COM Port Cable Female to Male, Compatible w/DTE Devices, Black, F/M (9FMNM-3M-RS232-CABLE) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/819thaEi0-L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: StarTech.com 3m RS232 Serial Null Modem Cable, Crossover Serial Cable w/Al-Mylar Shielding, DB9 Serial COM Port Cable Female to Male, Compatible w/DTE Devices, Black, F/M (9FMNM-3M-RS232-CABLE) : Electronics
![Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81Mdvlhpb9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics
![Amazon.com: DTECH 10ft COM Port Serial Cable Male to Female RS232 Extension 9 Pin Straight Through Cord (3 Meter, Black) : Electronics Amazon.com: DTECH 10ft COM Port Serial Cable Male to Female RS232 Extension 9 Pin Straight Through Cord (3 Meter, Black) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61RCaa5x1jL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DTECH 10ft COM Port Serial Cable Male to Female RS232 Extension 9 Pin Straight Through Cord (3 Meter, Black) : Electronics
![Amazon.com: Anmbest 2PCS DB9 Solderless RS232 D-SUB Serial to 9-pin Port Terminal Male Adapter Connector Breakout Board with Case Long Bolts Tail Pipe (2PCS Female) : Electronics Amazon.com: Anmbest 2PCS DB9 Solderless RS232 D-SUB Serial to 9-pin Port Terminal Male Adapter Connector Breakout Board with Case Long Bolts Tail Pipe (2PCS Female) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61p3r55358L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Anmbest 2PCS DB9 Solderless RS232 D-SUB Serial to 9-pin Port Terminal Male Adapter Connector Breakout Board with Case Long Bolts Tail Pipe (2PCS Female) : Electronics
![RS232 - New USB to RS-232 (9-pin) Serial Cable w/25-pin Serial Adapter - Add a Serial Port to Your PC via USB RS232 - New USB to RS-232 (9-pin) Serial Cable w/25-pin Serial Adapter - Add a Serial Port to Your PC via USB](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/31d-PvHIKQL._AC_UF894,1000_QL80_.jpg)
RS232 - New USB to RS-232 (9-pin) Serial Cable w/25-pin Serial Adapter - Add a Serial Port to Your PC via USB
![Amazon.com: DTECH 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data : Electronics Amazon.com: DTECH 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61N60CxLC2L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DTECH 2-Port RS232 Serial Splitter Box COM Port Expander 1x2 with Power Adapter for Sharing PCs and Capture Data : Electronics
![Amazon.com: XMSJSIY DB9 Connector RS232 Serial Port Cable DB9 Adapters Solderless 9-Pin COM Port Breakout Replacement Cable Order:235 (Male) -1.5m/4.92Feet : Electronics Amazon.com: XMSJSIY DB9 Connector RS232 Serial Port Cable DB9 Adapters Solderless 9-Pin COM Port Breakout Replacement Cable Order:235 (Male) -1.5m/4.92Feet : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71On32SuTlL._AC_UF894,1000_QL80_.jpg)
Amazon.com: XMSJSIY DB9 Connector RS232 Serial Port Cable DB9 Adapters Solderless 9-Pin COM Port Breakout Replacement Cable Order:235 (Male) -1.5m/4.92Feet : Electronics
![Amazon.com: StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) : Electronics Amazon.com: StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61I5atI+Z9L._AC_UF1000,1000_QL80_.jpg)