Manual

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Introduction
1.2 Overview of C514
1.2.1 What is C514?
The C514 is an enhanced four ports serial communication card used for PC
with PCI bus. It includes a PGA to support the serial communication
controller and a 37-pin connector to connect external I/O port.
The expansion cable has four standard DB25 connectors and one DB37
connector to connect to C514 interface card.
1.2.2 Feature of C514
♦ PCI Rev.2.1 Plug and Play
♦ IRQ and IO address automatically assigned by PCI plug-n-play
♦ 4 communication ports intelligent buffer
♦ 3 RS-232C compatible ports plus 1 isolated RS-422/485 interface
♦ Suitable for modems, data display, data collection,
telecommunication
♦ Supports up to 8 cards/32 ports per system
♦ Supports Windows 95/98, NT operation system
1.2.3 Specification of C514
♦ Compliant with PCI Spec.2.1
♦ Serial communication controller:
• 16C550A compatible
• 1.8432 ~ 7.3728 MHz
• Baud programmable upto 112Kbps ~ 448Kbps
♦ System IO mapping:
• Assigned by PCI BIOS
• Shared IRQ