User guide

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Introduction
1.1 C584 Features
The C584 is an enhanced four-port serial communication PCI card that in-
cludes an advanced PGA to support the serial communication controller and a
37-pin connector to connect external I/O port. The expansion cable has four
standard DB9/25 and one DB37 connector. User may also use one DB37 to
DB37 cable to connect between one C584 and the C584XB to provide a
4-channel isolated RS-232/422/485 interface.
• PCI Rev.2.1 Plug and Play
• Automatic IRQ and I/O address assignments
• 4 communication port intelligent buffers
• Suitable for modems, data display, data collection, telecommunication
• Supports up to 2 cards/8 ports per system
• Supports Windows 98/2000/XP/NT and Linux operation systems
• Optional external C584XB box for extending to 4 isolated
RS-232/422/485 ports
• Single jumper board and COM number assignment design
• Supports surge protector in TXD/RXD signal lines
1.2 C584 Specifications
♦ PCI Spec.2.1compliant
♦ Serial communication controller:
• 16C550A compatible
• 1.8432 - 7.3728MHz
♦ System IO mapping:
• Assigned by PCI BIOS
• Shared IRQ
♦ Flow control:
• Xon/Xoff control
• RTS/CTS control
♦ Port Capability: