StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe to Dual Serial DB9 RS232 Controller - PEX2S953 - Serial Adapters - CDW.com
TTL to RJ45 Network Prt 232 to TCP USR-TCP232-E2 Dual Serial Port to Ethernet
BLACK BOX, PCI CARD, IC187C, 16850 UART, DUAL SERIAL PORT, RS 232/422/485, 7201 : IRONTIME SALES INC.
FTDI Dual Serial Port DB-9 RS-232 MINI-Adapter With Cable | Cooldrives
USB to serial RS232 adapter with two ports
Micro Connectors, Inc USB to Dual Serial DB9 Adapter Windows 10/Win 8/7/XP/Vista/Mac E07-162 - The Home Depot
Airlink RV55 Dual Serial Y-Cable (6001238) | USAT Store
FlexEdge® Dual Mixed Serial Port Sled | Red Lion
Amazon.com: SIIG Legacy and Beyond Series 2 Port (Dual) Serial / RS-232 PCIe Card with 16C550 UART : Electronics
Allen Bradley 1769-L30 /A CompactLogix Dual Serial Port Processor 256KB - PLCCable.com - Automation Supplies and PLC Tools
StarTech.com 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Interface Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windows & Linux | www.publicsector.shidirect.com
StarTech.com Dual Serial Parallel PCI Card - 3 Port 2S1P PCI (PCI2S1P)
Dual Port USB to Serial RS-232 Adapter with Prolific Chipset - Coolgear
StarTech PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel Port (DB25), PCI Adapter Expansion Card - Walmart.com
WIC-2A/S 2 Port Smart Serial Port Interface Card - certificationtrainingsolutions.com
SIIG Dual-Serial Port / RS-232 PCIe Card | eBay
DB9 Serial Y Adapter - DB9 Female to Dual Split DB9 Male
Dual-Serial Port plus Single Parallel Port PCIe Card
KeyFob I2C Converter with Dual Serial to 16-Port I2C - store.ncd.io
2-Port PCI RS232 Serial Adapter Card DB9 - Serial Cards & Adapters | StarTech.com
BLACK BOX, PCI CARD, IC187C, 16850 UART, DUAL SERIAL PORT, RS 232/422/485, 7201 : IRONTIME SALES INC.
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
UDS2100 - 2 Serial Port Ethernet Device Server – Grid Connect
USB to 2 TTL serial port USB to dual serial port Two TTL to USB5V3.3VFT2232D dual serial port - AliExpress
