![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/I/41hRVXPUI7L._AC_.jpg)
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: DTech 6 Feet USB to RS232 DB9 Female Serial Adapter Cable Windows 11 10 8 7 Mac Linux Serial to USB 2.0 (PL2303 Chip) : Electronics Amazon.com: DTech 6 Feet USB to RS232 DB9 Female Serial Adapter Cable Windows 11 10 8 7 Mac Linux Serial to USB 2.0 (PL2303 Chip) : Electronics](https://m.media-amazon.com/images/I/61iVRSG6xZL.jpg)
Amazon.com: DTech 6 Feet USB to RS232 DB9 Female Serial Adapter Cable Windows 11 10 8 7 Mac Linux Serial to USB 2.0 (PL2303 Chip) : Electronics
![Amazon.com: Sabrent Universal Laptop Docking Station + USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable : Electronics Amazon.com: Sabrent Universal Laptop Docking Station + USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable : Electronics](https://m.media-amazon.com/images/I/41VPMiwDYQS._AC_SY350_.jpg)
Amazon.com: Sabrent Universal Laptop Docking Station + USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable : Electronics
![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 - Amazon.com](https://m.media-amazon.com/images/I/71tyW0plKOL.jpg)
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
![Amazon.com: Sabrent Universal Laptop Docking Station + USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable : Electronics Amazon.com: Sabrent Universal Laptop Docking Station + USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable : Electronics](https://m.media-amazon.com/images/I/41kLukzwM5S._AC_SY350_.jpg)
Amazon.com: Sabrent Universal Laptop Docking Station + USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable : Electronics
![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 - Amazon.com](https://m.media-amazon.com/images/I/41USyAxqwNL._AC_SY350_.jpg)
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
![Amazon.com: Startech Add Four Rs232 Serial Ports To Any Notebook Or Desktop Computer Using A Single U : Electronics Amazon.com: Startech Add Four Rs232 Serial Ports To Any Notebook Or Desktop Computer Using A Single U : Electronics](https://m.media-amazon.com/images/I/41WokHm7VbL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: Startech Add Four Rs232 Serial Ports To Any Notebook Or Desktop Computer Using A Single U : Electronics
![Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics](https://m.media-amazon.com/images/I/41ZYgOUgA3L._AC_SY580_.jpg)
Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics
![Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics](https://m.media-amazon.com/images/I/51EXO5P1miL.jpg)
Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics
![Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics](https://m.media-amazon.com/images/I/61XFnoBevCL.jpg)
Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics
![Amazon.com: Sabrent USB 2.0 TO SERIAL DB9 MALE (9 PIN) RS232 CABLE ADAPTER 1 ft. Prolific Chipset (CB-RS232) : Electronics Amazon.com: Sabrent USB 2.0 TO SERIAL DB9 MALE (9 PIN) RS232 CABLE ADAPTER 1 ft. Prolific Chipset (CB-RS232) : Electronics](https://m.media-amazon.com/images/I/71K4943ePQL.jpg)
Amazon.com: Sabrent USB 2.0 TO SERIAL DB9 MALE (9 PIN) RS232 CABLE ADAPTER 1 ft. Prolific Chipset (CB-RS232) : Electronics
![Amazon.com: Startech Add An Rs232 Serial Port To Your Laptop Or Desktop Computer Through Usb-1 Port U - By "Startech" - Prod. Class: Audio / Video / Output Devices/Cables / Av / Multimedia : Electronics Amazon.com: Startech Add An Rs232 Serial Port To Your Laptop Or Desktop Computer Through Usb-1 Port U - By "Startech" - Prod. Class: Audio / Video / Output Devices/Cables / Av / Multimedia : Electronics](https://m.media-amazon.com/images/I/410WVOqJvJL._AC_SY580_.jpg)
Amazon.com: Startech Add An Rs232 Serial Port To Your Laptop Or Desktop Computer Through Usb-1 Port U - By "Startech" - Prod. Class: Audio / Video / Output Devices/Cables / Av / Multimedia : Electronics
![Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics](https://m.media-amazon.com/images/I/51hc0kXiDaL.jpg)
Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics
![Amazon.com: RS232 Serial DB9 Male COM Port w/IDC Cable & Bracket Slot Card for PC Desktop Computer : Electronics Amazon.com: RS232 Serial DB9 Male COM Port w/IDC Cable & Bracket Slot Card for PC Desktop Computer : Electronics](https://m.media-amazon.com/images/I/415gXY-GEjL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFIVE%2CBottomLeft%2C360%2C-6_SR600%2C315_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: RS232 Serial DB9 Male COM Port w/IDC Cable & Bracket Slot Card for PC Desktop Computer : Electronics
![Amazon.com: RS232 Serial DB9 Male COM Port w/IDC Cable & Bracket Slot Card for PC Desktop Computer : Electronics Amazon.com: RS232 Serial DB9 Male COM Port w/IDC Cable & Bracket Slot Card for PC Desktop Computer : Electronics](https://m.media-amazon.com/images/I/61kcb8+uI6L.jpg)
Amazon.com: RS232 Serial DB9 Male COM Port w/IDC Cable & Bracket Slot Card for PC Desktop Computer : Electronics
![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 - Amazon.com](https://m.media-amazon.com/images/I/61IZkcu-J4L.jpg)
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
![Amazon.com: NEW - ADD 2 RS-232 SERIAL PORTS TO YOUR STANDARD OR SMALL FORM FACTOR COMPUTER THROUGH - PEX2S553 : Electronics Amazon.com: NEW - ADD 2 RS-232 SERIAL PORTS TO YOUR STANDARD OR SMALL FORM FACTOR COMPUTER THROUGH - PEX2S553 : Electronics](https://images-na.ssl-images-amazon.com/images/I/711ShPqFrgL._AC_UL600_SR600,600_.jpg)
Amazon.com: NEW - ADD 2 RS-232 SERIAL PORTS TO YOUR STANDARD OR SMALL FORM FACTOR COMPUTER THROUGH - PEX2S553 : Electronics
![Amazon.com: Sabrent USB 2.0 TO SERIAL DB9 MALE (9 PIN) RS232 CABLE ADAPTER 1 ft. Prolific Chipset (CB-RS232) : Electronics Amazon.com: Sabrent USB 2.0 TO SERIAL DB9 MALE (9 PIN) RS232 CABLE ADAPTER 1 ft. Prolific Chipset (CB-RS232) : Electronics](https://m.media-amazon.com/images/I/81+qtiUjkwL.jpg)
Amazon.com: Sabrent USB 2.0 TO SERIAL DB9 MALE (9 PIN) RS232 CABLE ADAPTER 1 ft. Prolific Chipset (CB-RS232) : Electronics
![Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics](https://m.media-amazon.com/images/I/41Alck2aObL._AC_SY580_.jpg)
Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics
![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/I/41iGOHsL03L._AC_SY1000_.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: 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://images-na.ssl-images-amazon.com/images/I/61W7MwYg85L._AC_UL600_SR600,600_.jpg)
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: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics](https://m.media-amazon.com/images/I/41UjsItVjpL._AC_SY350_.jpg)
Amazon.com: Almencla 2. USB 2.0 to RS232 DB9 Serial Port Adapter Converter Cable for PC, 2000, 98,98SE/Laptop : Electronics
![Amazon.com: Sabrent USB 2.0 TO SERIAL DB9 MALE (9 PIN) RS232 CABLE ADAPTER 1 ft. Prolific Chipset (CB-RS232) : Electronics Amazon.com: Sabrent USB 2.0 TO SERIAL DB9 MALE (9 PIN) RS232 CABLE ADAPTER 1 ft. Prolific Chipset (CB-RS232) : Electronics](https://m.media-amazon.com/images/I/71W1x8bcXkL.jpg)
Amazon.com: Sabrent USB 2.0 TO SERIAL DB9 MALE (9 PIN) RS232 CABLE ADAPTER 1 ft. Prolific Chipset (CB-RS232) : Electronics
![Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Everything Else Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Everything Else](https://m.media-amazon.com/images/I/81KFwyjNzDL.jpg)
Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Everything Else
![Amazon.com: Startech Add Four Rs232 Serial Ports To Any Notebook Or Desktop Computer Using A Single U : Electronics Amazon.com: Startech Add Four Rs232 Serial Ports To Any Notebook Or Desktop Computer Using A Single U : Electronics](https://m.media-amazon.com/images/I/31NNE+rBadL.jpg)