WIC-2A/S 2 Port Smart Serial Port Interface Card - certificationtrainingsolutions.com
Netmos PCI dual serial port card - CDM Computers
USB to Dual RS232 Adapter / Converter – CommFront
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
USB to serial RS232 adapter with two ports
Dual Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ FTDI Chip - Coolgear
Cergrey RS232 Serial Server,HF-5122 Dual Serial Port To Ethernet RS232 / RS485 / RS422 Serial Server 5 - 36VDC - Walmart.com
Startech .com 2-Port PCI RS232 Serial Adapter Card, Dual Serial DB9 Ports, Expansion/Controller Card, Windows/Linux, Standard/Low ProfileDua... PCI2S5502 - Corporate Armor
2-Port PCI Express RS232 Serial Card - Serial Cards & Adapters | StarTech.com
BLACK BOX, PCI CARD, IC187C, 16850 UART, DUAL SERIAL PORT, RS 232/422/485, 7201 : IRONTIME SALES INC.
Micro Connectors, Inc USB to Dual Serial DB9 Adapter Windows 10/Win 8/7/XP/Vista/Mac E07-162 - The Home Depot
StarTech.com Dual Serial Parallel PCI Card - 3 Port 2S1P PCI (PCI2S1P)
Fujitsu Dual Serial Port RS-232 Card With Splitter Cable CP-140 S26361-F3465-L7 | eBay
Dual-Serial Port plus Single Parallel Port PCIe Card
Siig Dual-Serial Port PCI RS-232 CTLR (LB-S00014-S1)
Amazon.com: SIIG Legacy and Beyond Series 2 Port (Dual) Serial / RS-232 PCIe Card with 16C550 UART : Electronics
Amazon.com: SIIG Dual (2) Serial Port / RS-232 and Single (1) Parallel Port PCIe Card Compatible with 16C550 UART (JJ-E20411-S1) : Electronics
SIIG Dual-Serial Port / RS-232 PCIe Card | eBay
BLACK BOX, PCI CARD, IC187C, 16850 UART, DUAL SERIAL PORT, RS 232/422/485, 7201 : IRONTIME SALES INC.
Allen Bradley 1769-L30 /A CompactLogix Dual Serial Port Processor 256KB - PLCCable.com - Automation Supplies and PLC Tools
UDS2100 - 2 Serial Port Ethernet Device Server – Grid Connect
PCI to 2 Dual COM RS232 Serial I/O Port Riser Card PCI to 2 RS232 Expansion Card Dual Serial Port Card Support Plotter
DB9 Serial Y Adapter - DB9 Female to Dual Split DB9 Male
Startech .com 2-Port PCI RS232 Serial Adapter Card, Dual Serial DB9 Ports, Expansion/Controller Card, Windows/Linux, Standard/Low ProfileDua... PCI2S5502 - Corporate Armor
