ADLINK C485 - Manual (Page 11)

Introduction
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1.3 Overview of C584
1.3.1 What is C584?
The C584 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 C584 interface card. User may also use one DB37
to DB37 cable to connect between one C584 and C584XB for providing 4
channel isolated RS-232/422/485 interface.
1.3.2 Feature of C584
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PCI Rev.2.1 Plug and Play
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IRQ and IO address automatically assigned by PCI plug-n-play
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4 communication ports intelligent buffer
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Suitable for modems, data display, data collection,
telecom munication
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Supports up to 2 cards/8 ports per system
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Supports Windows 95/98, NT operation system
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Optional isolated RS-232/422/485 interface for each port
independently
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One jumper to assign board & COM number .No problem to fix COM
number for each card.
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Supports surge protector in TXD/RXD signal line
1.3.3 Specification of C584
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Compliant with PCI Spec.2.1
♦
Serial communication controller:
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16C550A compatible
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1.8432 ~ 7.3728 MHz