4 overview of c518 – ADLINK C514 User Manual
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8
• 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 commun ication 
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