PCI Serial Boards	RS-232 Value PCI Serial Boards	RS-232 Synchronous Serial PCI Boards
RS-232 or RS-422/485 interface 2, 4, & 8 port configurations	2, 4, or 6 independent RS-232 ports MOSCHIP chipset PCI 2.1 32bit bus, 33MHz Multi port versions available with 2, 4 and 6 ports	1 RS-232 serial port Supports BiSync, HDLC and SDLC synchronous protocols Speeds to 600 kbps