ADLINK C485 - Manual (Page 8)

2
• 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
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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