ADLINK C485 - Manual (Page 16)

4
• Introduction
1.9 C485 Features
The C485 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 connectors and one DB37 connector to connect to the C485
interface card.
• 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
• Isolated RS-422/485 interface for each port independently
1.A C485 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:
• 4 isolated RS-422/485 port with 500Vdc isolation voltage
• Max. port per system: 8 Ports (2 cards)
♦ Operation System Compatibility: Windows 98/2000/XP/NT
♦ Connector: DB37 female connector
♦ Cable: External cable with 4 standard DB9/25 male connector