Dual Port USB to Serial RS-232 Adapter with Prolific Chipset - Coolgear
USB to serial RS232 adapter with two ports
DB9 Serial Y Adapter - DB9 Female to Dual Split DB9 Male
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.
TTL to RJ45 Network Prt 232 to TCP USR-TCP232-E2 Dual Serial Port to Ethernet
FlexEdge® Dual Mixed Serial Port Sled | Red Lion
Amazon.com: SIIG Dual (2) Serial Port / RS-232 and Single (1) Parallel Port PCIe Card Compatible with 16C550 UART (JJ-E20411-S1) : Electronics
StarTech PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel Port (DB25), PCI Adapter Expansion Card - Walmart.com
2-Port PCI Express RS232 Serial Card - Serial Cards & Adapters | StarTech.com
Airlink RV55 Dual Serial Y-Cable (6001238) | USAT Store
Startech .com 2-Port PCI RS232 Serial Adapter Card, Dual Serial DB9 Ports, Expansion/Controller Card, Windows/Linux, Standard/Low ProfileDua... PCI2S5502 - Corporate Armor
PCI to 2 Dual COM RS232 Serial I/O Port Riser Card PCI to 2 RS232 Expansion Card Dual Serial Port Card Support Plotter
Siig Dual-Serial Port PCI RS-232 CTLR (LB-S00014-S1)
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
Netmos PCI dual serial port card - CDM Computers
Micro Connectors, Inc USB to Dual Serial DB9 Adapter Windows 10/Win 8/7/XP/Vista/Mac E07-162 - The Home Depot
Fujitsu Dual Serial Port RS-232 Card With Splitter Cable CP-140 S26361-F3465-L7 | eBay
Cergrey RS232 Serial Server,HF-5122 Dual Serial Port To Ethernet RS232 / RS485 / RS422 Serial Server 5 - 36VDC - Walmart.com
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
StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe to Dual Serial DB9 RS232 Controller - PEX2S953 - Serial Adapters - CDW.com
USB to Dual RS232 Adapter / Converter – CommFront
