IBM - 59F4388 - Interface Card 16-Port RS-232 59F4388 - IBM - 16 Port RS-232 Interface Driver Card $120.51 $97.98
IBM - 37L1427 - Serial I/O Card 16-Port RS-232 PCI Half-Length 37L1427 - IBM - 16-Ports RS-232 920Kbps Half-Length PCI Serial I/O Card $297.48 $241.86
IBM - 31P7226 - Serial Card Dual-Port RS-232 PCI Low Profile 31P7226 - IBM - Dual-Ports RS-232 460.8Kbps DB-9 PCI Low Profile Serial Card Adapter $114.24 $92.88
IBM - 22P4470 - Serial Adapter 128-Port RS-232 230Kbps PCI 32-Bit 22P4470 - IBM - 128PT RS-232 230Kbps 32-Bit PCI Serial Adapter $1,104.34 $897.84
NI - PCI-232/485 - Interface Card 2-Port RS-232/485 PCI National Instruments - PCI-232/485 - Instruments 2-Channel Interface Card $121.61 $98.87