![Amazon.com: StarTech.com 4 Port USB to Serial RS232 Adapter - DB9M - RS232 Extension - Serial to USB (ICUSB2324) : Electronics Amazon.com: StarTech.com 4 Port USB to Serial RS232 Adapter - DB9M - RS232 Extension - Serial to USB (ICUSB2324) : Electronics](https://m.media-amazon.com/images/I/61VAXtkk+kL.jpg)
Amazon.com: StarTech.com 4 Port USB to Serial RS232 Adapter - DB9M - RS232 Extension - Serial to USB (ICUSB2324) : Electronics
![Amazon.com: StarTech.com 1 Port RS232 to Ethernet IP Converter / Device Server - Aluminum - Serial over IP Device Server - Serial to IP Converter (NETRS2321P) : Electronics Amazon.com: StarTech.com 1 Port RS232 to Ethernet IP Converter / Device Server - Aluminum - Serial over IP Device Server - Serial to IP Converter (NETRS2321P) : Electronics](https://m.media-amazon.com/images/I/91yZG0hJHKL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 1 Port RS232 to Ethernet IP Converter / Device Server - Aluminum - Serial over IP Device Server - Serial to IP Converter (NETRS2321P) : Electronics
![Amazon.com: USB to DB9 RS232 Serial Adapter Converter Cable with FTDI Chip 6ft Support Win10/8/7/XP/Android/Mac/Linux/Vista (Type C to DB9) : Electronics Amazon.com: USB to DB9 RS232 Serial Adapter Converter Cable with FTDI Chip 6ft Support Win10/8/7/XP/Android/Mac/Linux/Vista (Type C to DB9) : Electronics](https://m.media-amazon.com/images/I/61+7y3IV25L._AC_UF894,1000_QL80_.jpg)
Amazon.com: USB to DB9 RS232 Serial Adapter Converter Cable with FTDI Chip 6ft Support Win10/8/7/XP/Android/Mac/Linux/Vista (Type C to DB9) : 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) : Grocery & Gourmet Food 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) : Grocery & Gourmet Food](https://m.media-amazon.com/images/I/71OBbDUesQL._AC_UF894,1000_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) : Grocery & Gourmet Food
![Amazon.com: Syba 2x Serial RS-232 RS-422 RS-485 DB9 Ports 34mm ExpressCard SD-EXP15010 : Electronics Amazon.com: Syba 2x Serial RS-232 RS-422 RS-485 DB9 Ports 34mm ExpressCard SD-EXP15010 : Electronics](https://m.media-amazon.com/images/I/41zvNZQ3XuL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Syba 2x Serial RS-232 RS-422 RS-485 DB9 Ports 34mm ExpressCard SD-EXP15010 : Electronics
![Amazon.com: RS232 Splitter, DTECH 4 Port Serial Expansion Box 1x4 COM Port Expander with Power Adapter for Sharing PCs and Capture Data : Electronics Amazon.com: RS232 Splitter, DTECH 4 Port Serial Expansion Box 1x4 COM Port Expander with Power Adapter for Sharing PCs and Capture Data : Electronics](https://m.media-amazon.com/images/I/613iN0-rGZL._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS232 Splitter, DTECH 4 Port Serial Expansion Box 1x4 COM Port Expander with Power Adapter for Sharing PCs and Capture Data : Electronics
![Amazon.com: Tera Grand Premium USB 2.0 to RS232 Serial DB9 Adapter Cable 6 Ft - Supports Windows 11,10, 8, 7, Vista, XP, 2000, 98, Linux and Mac - Built with FTDI Chipset and Hex Jack Nuts : Electronics Amazon.com: Tera Grand Premium USB 2.0 to RS232 Serial DB9 Adapter Cable 6 Ft - Supports Windows 11,10, 8, 7, Vista, XP, 2000, 98, Linux and Mac - Built with FTDI Chipset and Hex Jack Nuts : Electronics](https://m.media-amazon.com/images/I/81+HAz0lehL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Tera Grand Premium USB 2.0 to RS232 Serial DB9 Adapter Cable 6 Ft - Supports Windows 11,10, 8, 7, Vista, XP, 2000, 98, Linux and Mac - Built with FTDI Chipset and Hex Jack Nuts : Electronics
![Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics](https://m.media-amazon.com/images/I/71sTBfmrQqL.jpg)
Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : 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/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: USB Serial db9 ft232r USB rs232 Null Modem Cable pc Control tv Cable (2-RXD(Yellow), 3-TXD(Orange),5-GND(GND), 7-RTS(Green),8-CTS(Brown), 1/4/6/9-NC) : Electronics Amazon.com: USB Serial db9 ft232r USB rs232 Null Modem Cable pc Control tv Cable (2-RXD(Yellow), 3-TXD(Orange),5-GND(GND), 7-RTS(Green),8-CTS(Brown), 1/4/6/9-NC) : Electronics](https://images-na.ssl-images-amazon.com/images/I/71I8UZvl7yL._AC_UL600_SR600,600_.jpg)
Amazon.com: USB Serial db9 ft232r USB rs232 Null Modem Cable pc Control tv Cable (2-RXD(Yellow), 3-TXD(Orange),5-GND(GND), 7-RTS(Green),8-CTS(Brown), 1/4/6/9-NC) : Electronics
![Amazon.com: Letotech Cross Wired USB Serial Cable FTDI ft232r USB RS232 to DB9 Female Adapter Null Modem Cable PC Control TV Cable (Null Modem pinout) : Electronics Amazon.com: Letotech Cross Wired USB Serial Cable FTDI ft232r USB RS232 to DB9 Female Adapter Null Modem Cable PC Control TV Cable (Null Modem pinout) : Electronics](https://m.media-amazon.com/images/I/71o+QE2FviL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Letotech Cross Wired USB Serial Cable FTDI ft232r USB RS232 to DB9 Female Adapter Null Modem Cable PC Control TV Cable (Null Modem pinout) : Electronics
![Amazon.com: StarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub (ICUSB2324I) : Electronics Amazon.com: StarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub (ICUSB2324I) : Electronics](https://m.media-amazon.com/images/I/71d5VvmcKtL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub (ICUSB2324I) : Electronics
![Amazon.com: UC232A1 (1m) USB to RS-232 Adaptor Cable | ATEN UK | #1 KVM Market Leader,Black : Electronics Amazon.com: UC232A1 (1m) USB to RS-232 Adaptor Cable | ATEN UK | #1 KVM Market Leader,Black : Electronics](https://m.media-amazon.com/images/I/6104OWwvb9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: UC232A1 (1m) USB to RS-232 Adaptor Cable | ATEN UK | #1 KVM Market Leader,Black : Electronics
![Amazon.com: DTech USB to Serial Adapter, DB25 DB9 RS232 to USB Cable 4 Feet with FTDI Chip Supports Windows 11 10 8 7 and Mac : Electronics Amazon.com: DTech USB to Serial Adapter, DB25 DB9 RS232 to USB Cable 4 Feet with FTDI Chip Supports Windows 11 10 8 7 and Mac : Electronics](https://m.media-amazon.com/images/I/61OwY3x8mjL.jpg)
Amazon.com: DTech USB to Serial Adapter, DB25 DB9 RS232 to USB Cable 4 Feet with FTDI Chip Supports Windows 11 10 8 7 and Mac : Electronics
![Amazon.com: RJ45 to RS232,LFHUKEJI DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft : Industrial & Scientific Amazon.com: RJ45 to RS232,LFHUKEJI DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft : Industrial & Scientific](https://m.media-amazon.com/images/I/61-9fAgZe1L._AC_UF894,1000_QL80_.jpg)
Amazon.com: RJ45 to RS232,LFHUKEJI DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console 3.3Ft : Industrial & Scientific
![Amazon.com: StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black : Electronics Amazon.com: StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black : Electronics](https://m.media-amazon.com/images/I/61Vb4DrfL2L._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black : Electronics
![Amazon.com: Moxa UPort 1150 USB To 1-Port RS-232/422/485 Serial Converter, 921.6Kbps, 15KV ESD Protection : Electronics Amazon.com: Moxa UPort 1150 USB To 1-Port RS-232/422/485 Serial Converter, 921.6Kbps, 15KV ESD Protection : Electronics](https://m.media-amazon.com/images/I/61E0fCT6llL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Moxa UPort 1150 USB To 1-Port RS-232/422/485 Serial Converter, 921.6Kbps, 15KV ESD Protection : Electronics
![Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB- SERIAL) : Electronics Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB- SERIAL) : Electronics](https://m.media-amazon.com/images/I/818r+C4b7+L.jpg)
Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB- SERIAL) : 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) : 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) : Electronics](https://m.media-amazon.com/images/I/81KFwyjNzDL._AC_UF894,1000_QL80_.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) : Electronics
![Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB- SERIAL) : Electronics Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB- SERIAL) : Electronics](https://m.media-amazon.com/images/I/41C7BA49aIL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA44%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB- SERIAL) : Electronics
![Amazon.com: DTech Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7 Mac (6 Feet, PL2303) : Electronics Amazon.com: DTech Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7 Mac (6 Feet, PL2303) : Electronics](https://m.media-amazon.com/images/I/61olKBs7UBL._AC_UF894,1000_QL80_.jpg)