![Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics](https://m.media-amazon.com/images/I/71W3B0SWvSL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : 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._AC_UF894,1000_QL80_.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: 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._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS232 Serial DB9 Male COM Port w/IDC Cable & Bracket Slot Card for PC Desktop Computer : Electronics
![Amazon.com: ProHT PS/2 Serial Standard Keyboard (70011), 104 Key Standard Windows Keyboard Works with Windows 98/ME/XP/Vista/7, Black : Electronics Amazon.com: ProHT PS/2 Serial Standard Keyboard (70011), 104 Key Standard Windows Keyboard Works with Windows 98/ME/XP/Vista/7, Black : Electronics](https://m.media-amazon.com/images/I/81tdJFUGsBL._AC_UF894,1000_QL80_.jpg)
Amazon.com: ProHT PS/2 Serial Standard Keyboard (70011), 104 Key Standard Windows Keyboard Works with Windows 98/ME/XP/Vista/7, Black : Electronics
![Amazon.com: MEIRIYFA DB37 37Pin Extension Cable Serial D-SUB 37 Pin Printer Parallel Connector Cable Pure Copper Core for Engineering Wiring, Computer and Networks.(4.9FT) (Male to Female) : Electronics Amazon.com: MEIRIYFA DB37 37Pin Extension Cable Serial D-SUB 37 Pin Printer Parallel Connector Cable Pure Copper Core for Engineering Wiring, Computer and Networks.(4.9FT) (Male to Female) : Electronics](https://m.media-amazon.com/images/I/61S4mf9Ez1L.jpg)
Amazon.com: MEIRIYFA DB37 37Pin Extension Cable Serial D-SUB 37 Pin Printer Parallel Connector Cable Pure Copper Core for Engineering Wiring, Computer and Networks.(4.9FT) (Male to Female) : Electronics
![Amazon.com: MOXA IA262-I-LX Risc Based Embedded Computer with Linux, 2 Serial Ports, 2 CAN Ports, Dual LANs, VGA, DIO, CF, Compact Flash, USB : Electronics Amazon.com: MOXA IA262-I-LX Risc Based Embedded Computer with Linux, 2 Serial Ports, 2 CAN Ports, Dual LANs, VGA, DIO, CF, Compact Flash, USB : Electronics](https://m.media-amazon.com/images/I/311QirVWFBL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MOXA IA262-I-LX Risc Based Embedded Computer with Linux, 2 Serial Ports, 2 CAN Ports, Dual LANs, VGA, DIO, CF, Compact Flash, USB : Electronics
![Amazon.com: StarTech.com 2-Port PCI Express Serial Interface Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retention, for Windows/Linux (21050-PC-SERIAL-CARD) : Electronics Amazon.com: StarTech.com 2-Port PCI Express Serial Interface Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retention, for Windows/Linux (21050-PC-SERIAL-CARD) : Electronics](https://m.media-amazon.com/images/I/61itMeKobyL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 2-Port PCI Express Serial Interface Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retention, for Windows/Linux (21050-PC-SERIAL-CARD) : Electronics
![Amazon.com: HangTon Serial RS232 Data Cable ODU 7 Pin for Topcon GPS Receiver HiPer V II Pro HR VR to Controller Computer : Electronics Amazon.com: HangTon Serial RS232 Data Cable ODU 7 Pin for Topcon GPS Receiver HiPer V II Pro HR VR to Controller Computer : Electronics](https://m.media-amazon.com/images/I/41X5pmGdP0L._AC_UF894,1000_QL80_.jpg)
Amazon.com: HangTon Serial RS232 Data Cable ODU 7 Pin for Topcon GPS Receiver HiPer V II Pro HR VR to Controller Computer : Electronics
![Amazon.com: Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above : Electronics Amazon.com: Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above : Electronics](https://m.media-amazon.com/images/I/614O44gHY0L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above : Electronics
![Amazon.com: HangTon Data Collector Cable for Nikon DTM 500 800 A20 NPL Total Station Hirose 6 Pin to Serial DB9 Computer : Electronics Amazon.com: HangTon Data Collector Cable for Nikon DTM 500 800 A20 NPL Total Station Hirose 6 Pin to Serial DB9 Computer : Electronics](https://m.media-amazon.com/images/I/61doCAYxFrL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HangTon Data Collector Cable for Nikon DTM 500 800 A20 NPL Total Station Hirose 6 Pin to Serial DB9 Computer : Electronics
![Amazon.com: USB to DMX Interface Adapter LED DMX512 Studio Computer PC Stage Lighting Controller Dimmer FTDI RS485 3PIN XLR Serial Converter Cord Support Win10 (6ft, Black USB Shell) : Musical Instruments Amazon.com: USB to DMX Interface Adapter LED DMX512 Studio Computer PC Stage Lighting Controller Dimmer FTDI RS485 3PIN XLR Serial Converter Cord Support Win10 (6ft, Black USB Shell) : Musical Instruments](https://m.media-amazon.com/images/I/81vfLeO9SrL._AC_UF894,1000_QL80_.jpg)
Amazon.com: USB to DMX Interface Adapter LED DMX512 Studio Computer PC Stage Lighting Controller Dimmer FTDI RS485 3PIN XLR Serial Converter Cord Support Win10 (6ft, Black USB Shell) : Musical Instruments
![Amazon.com: 125 MDB Payment Device to PC Converter, RS232 Adapter Bill Acceptor Computer Serial Port Transfer Box Comes with Cables, for Connecting MDB Coin Receivers : Electronics Amazon.com: 125 MDB Payment Device to PC Converter, RS232 Adapter Bill Acceptor Computer Serial Port Transfer Box Comes with Cables, for Connecting MDB Coin Receivers : Electronics](https://m.media-amazon.com/images/I/518O+20I+jL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 125 MDB Payment Device to PC Converter, RS232 Adapter Bill Acceptor Computer Serial Port Transfer Box Comes with Cables, for Connecting MDB Coin Receivers : Electronics
![Amazon.com: RS232 Serial DB9 Male COM Port w/IDC Cable & Low Profile Bracket Slot Card for Compact Size PC Desktop Computer : Electronics Amazon.com: RS232 Serial DB9 Male COM Port w/IDC Cable & Low Profile Bracket Slot Card for Compact Size PC Desktop Computer : Electronics](https://m.media-amazon.com/images/I/41RiVR8Qb4L._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS232 Serial DB9 Male COM Port w/IDC Cable & Low Profile Bracket Slot Card for Compact Size PC Desktop Computer : Electronics
![Amazon.com: DTech 3-Pack Serial Adapter Female to Female DB9 Gender Changer Female to Male 9 Pin Connector Male to Male RS232 Coupler Mini Size for PC Computer Data Transfer : Electronics Amazon.com: DTech 3-Pack Serial Adapter Female to Female DB9 Gender Changer Female to Male 9 Pin Connector Male to Male RS232 Coupler Mini Size for PC Computer Data Transfer : Electronics](https://m.media-amazon.com/images/I/61NAm-LDPUL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTech 3-Pack Serial Adapter Female to Female DB9 Gender Changer Female to Male 9 Pin Connector Male to Male RS232 Coupler Mini Size for PC Computer Data Transfer : Electronics
![Amazon.com: CableCreation USB to RS232 Adapter with PL2303 Chip, USB to DB9 Serial Female Converter Compatible with Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X 10.6 and Above,Black : Electronics Amazon.com: CableCreation USB to RS232 Adapter with PL2303 Chip, USB to DB9 Serial Female Converter Compatible with Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X 10.6 and Above,Black : Electronics](https://m.media-amazon.com/images/I/51ZL35Kc1HL._AC_UF894,1000_QL80_.jpg)
Amazon.com: CableCreation USB to RS232 Adapter with PL2303 Chip, USB to DB9 Serial Female Converter Compatible with Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X 10.6 and Above,Black : Electronics
![Amazon.com: PCIe Combo Serial Parallel Expansion Card PCI Express to Printer LPT Port RS232 Com Port Adapter IEEE 1284 Controller Card WCH382 Chip for Desktop PC Windows 10 with Low Bracket : Electronics Amazon.com: PCIe Combo Serial Parallel Expansion Card PCI Express to Printer LPT Port RS232 Com Port Adapter IEEE 1284 Controller Card WCH382 Chip for Desktop PC Windows 10 with Low Bracket : Electronics](https://m.media-amazon.com/images/I/61ngqD-Nv-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: PCIe Combo Serial Parallel Expansion Card PCI Express to Printer LPT Port RS232 Com Port Adapter IEEE 1284 Controller Card WCH382 Chip for Desktop PC Windows 10 with Low Bracket : Electronics
![Amazon.com: DELL Optiplex, Intel Core 2 Duo 2600 MHz, 500Gig Serial ATA HDD, 2048mb Memory, DVD ROM, Windows XP Professional-Power Cord (Renewed)'] : Electronics Amazon.com: DELL Optiplex, Intel Core 2 Duo 2600 MHz, 500Gig Serial ATA HDD, 2048mb Memory, DVD ROM, Windows XP Professional-Power Cord (Renewed)'] : Electronics](https://m.media-amazon.com/images/I/71uvvjdJxcL.jpg)
Amazon.com: DELL Optiplex, Intel Core 2 Duo 2600 MHz, 500Gig Serial ATA HDD, 2048mb Memory, DVD ROM, Windows XP Professional-Power Cord (Renewed)'] : Electronics
![Amazon.com: Add-on Computer - Serial Port Extender - Serial RS-232 / SC Single Mode - ext : Electronics Amazon.com: Add-on Computer - Serial Port Extender - Serial RS-232 / SC Single Mode - ext : Electronics](https://m.media-amazon.com/images/I/31PtA+WSnKL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Add-on Computer - Serial Port Extender - Serial RS-232 / SC Single Mode - ext : Electronics
![Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 10 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X, macOS, 3 Meters/Black : Electronics Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 10 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X, macOS, 3 Meters/Black : Electronics](https://m.media-amazon.com/images/I/61LFgyn+WlL._AC_UF894,1000_QL80_.jpg)
Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 10 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X, macOS, 3 Meters/Black : Electronics
![Amazon.com: Lindy Straight Through RS-232 Serial & PC to Fax/Modem Cable, All Pins Connected, 10m (25DM/25DF) (31380) : Electronics Amazon.com: Lindy Straight Through RS-232 Serial & PC to Fax/Modem Cable, All Pins Connected, 10m (25DM/25DF) (31380) : Electronics](https://m.media-amazon.com/images/I/41v1pc5nJlL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Lindy Straight Through RS-232 Serial & PC to Fax/Modem Cable, All Pins Connected, 10m (25DM/25DF) (31380) : Electronics
![Amazon.com: DTech 1.5ft COM Port Serial Cable Male to Female RS232 Extension 9 Pin Straight Through Cord (0.5 Meter, Black) : Electronics Amazon.com: DTech 1.5ft COM Port Serial Cable Male to Female RS232 Extension 9 Pin Straight Through Cord (0.5 Meter, Black) : Electronics](https://m.media-amazon.com/images/I/61+zj0z8kJL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DTech 1.5ft COM Port Serial Cable Male to Female RS232 Extension 9 Pin Straight Through Cord (0.5 Meter, Black) : Electronics
![Amazon.com: StarTech.com USB to Serial Adapter - 3 ft / 1m - with DB9 to DB25 Pin Adapter - Prolific PL-2303 - USB to RS232 Adapter Cable (ICUSB232DB25),Gray : Electronics Amazon.com: StarTech.com USB to Serial Adapter - 3 ft / 1m - with DB9 to DB25 Pin Adapter - Prolific PL-2303 - USB to RS232 Adapter Cable (ICUSB232DB25),Gray : Electronics](https://m.media-amazon.com/images/I/71jxSM2mTBL._AC_UF894,1000_QL80_.jpg)