Manual

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Introduction
1.4 Overview of C518
1.4.1 What is C518?
The C518 is an enhanced eight ports serial communication card used for
PC with PCI bus. It includes a PGA to support the serial communication
controller and a 62-pin connector to connect external I/O port.
The expansion cable has eight standard DB25 connectors and one DB62
connector to connect to C518 interface card.
1.4.2 Feature of C518
• PCI Rev.2.1 Plug and Play
• IRQ and IO address automatically assigned by PCI plug-n-play
• 8 communication ports intelligent buffer
• 7 RS-232C compatible ports plus 1 isolated RS-422/485 interface
• Suitable for modems, data display, data collection,
telecommunication
• Supports up to 8 cards/64 ports per system
• Supports Windows 95/98, NT operation system
• One DIP switch to assign board & COM number. No problem to fix
COM number for each card
1.4.3 Specification of C518
♦ 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