2 Ports RS232 34mm ExpressCard To Dual Serial Port DB9 COM RS-232 Expansion Card

StarTech 8-Port PCI Express RS232 Serial Adapter Card PEX8S1050L

HP ProDesk EliteDesk COM RS232 Serial Port Flex IO Card 914967-001

NEW ISA RS232 Serial & Parallel Port Expansion Card ISA COM1 COM2 LPT PC Adapter

Exsys EX-44094 PCI-Express 4-Port RS-232 Serial I/O Expansion Card

Socket SL0707-078 Rugged Serial I/O PC Card SIO Hi-Speed PCMCIA 2.0

PCI Multi I/O Controller Card RS232 Serial Dual Port

Socket PCMCIA Dual Serial I/O PC Card Ruggedized RS-232 Port Adapter RD-I/O NEW