USB 2.0 RS-232 Serial Adapter with LED Indicators
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Amazon.com: PCI-E to RS232 2-Port Serial Port Converter Adapter, Dual Serial RS-232 PCIe Card Low Bracket with 16C550 UART, RS232 PCIe X1 Card for Desktop : Electronics
Amazon.com: Cable Matters USB C to Serial Adapter Cable (USB-C to Serial, USB C to DB9, USB C to RS232) 3 ft - Thunderbolt 4 / USB4 / Thunderbolt 3 Port Compatible
Amazon.com: StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux (PEX2S953) : Electronics
Amazon.com: StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux (PEX2S953) : Electronics
Amazon.com: StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows & Linux (PEX1S953LP) : Electronics
Amazon.com: Industrial Grade USB to RS232/485/422/TTL Converter Onboard FT232RNL Support Mac Linux Android Windows 11 10 8.1 8 7 Multiple Protection : 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: StarTech.com 2-Port PCI RS232 Serial Adapter Card - PCI Serial Port Expansion Controller Card - PCI to Dual Serial DB9 Card - Standard (Installed) & Low Profile Brackets - Windows/Linux (PCI2S5502) :
Amazon.com: Wirenest 3ft VISCA PTZ Camera Control Cable for Sony EVI/BRC/SRG Series RS232 8 Pin Mini DIN to DB9F Serial : Industrial & Scientific
Amazon.com: StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16550 UART - Expansion Card - Windows & Linux (PEX2S553) : Electronics
Amazon.com: 2 Port PCI Express RS232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit for Linux, PCIe Serial Expansion Card PCIe Serial Host Controller Card : Electronics
Amazon.com: Gearmo USB to RS-232 Serial Adapter w/LED Indicators Windows 11 Support : Electronics
Amazon.com: StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux (PEX2S953) : Electronics
Amazon.com: Industrial Grade USB to RS232/485/422/TTL Converter Onboard FT232RNL Support Mac Linux Android Windows 11 10 8.1 8 7 Multiple Protection : Electronics
Amazon.com: VSDISPLAY Resistive LCD Touch Panel Controller Resistive Touch Screen Driver(4-Wire RS232 kit) : Electronics
StarTech.com DB9 RS232 F M Serial Null Modem Crossover Cable, 3m (9FMNM-3M- RS232-CABLE)
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: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, Hexnuts, [Windows 10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 6 Feet (CB-9P6F) : Electronics](https://m.media-amazon.com/images/I/716cXlvmimL._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 10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 6 Feet (CB-9P6F) : Electronics")
Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, Hexnuts, [Windows 10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 6 Feet (CB-9P6F) : Electronics
Amazon.com: Single Port PCI Express x1 RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller to Single Serial DB9 Port : Electronics
Amazon.com: StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux (PEX2S953) : Electronics
Amazon.com: Industrial Grade USB to RS232/485/422/TTL Converter Onboard FT232RNL Support Mac Linux Android Windows 11 10 8.1 8 7 Multiple Protection : Electronics
Amazon.com: StarTech.com PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Controller - PCI to
Amazon.com: UGREEN USB to Serial Adapter, Serial to USB Adapter DB9 Male 9 Pin with PL2303 Chipset, PVC Jacket, RS232 to USB Cable for Windows 11 10 8.1 8 7 XP Vista,
Amazon.com: OIKWAN USB Type C to RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 and Mac Linux : Electronics
