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1  Startup Manual

     All product specifications are subject to change without notice.

 

ST

AR

TUP MANUAL

PCM-3641I/3642I

4/8-port RS-232 Modules

The PCM-3641I/3642I is a PCI-104-compatible     
4/8-port RS-232 serial interface module. It works 
with PCI-104 CPU modules or CPU cards which 
accept PCI-104 expansion modules. It provides four 
and eight independent serial interfaces, accessed 
through the IDC 40-pin connector(s). The module’s 
industry-standard 16C550 asynchronous 
communication chip is fully programmable. The 
module requires no special commands or control 
codes if you use the standard COM1~COM4   
(PCM-3641I) or COM1~COM8(PCM-3642I)      
port addresses.

We carefully inspected the PCM-3641I/3642I both 
mechanically and electrically before we shipped it. 
It should be free of marks and scratches and in per-
fect electrical order on receipt.
Handle the board only by its edges. The static 
charge on your body may damage its integrated cir-
cuits. Keep the card in its anti-static package when-
ever it is not installed. You can use this package to 
return the card if it should need repair.

• 4/8  independent RS-232 serial ports
• Transmission speeds up to 460 Kbps
• Supports Windows 2000/XP
• LED indicators: TX, RX
• Compatible with standard PC ports:  

COM1~COM4 (PCM-3641I)
COM1~COM8 (PCM-3642I)

• Shared IRQ settings for each port
• Complete RS-232 Modem-control signals

• Bus interface: PCI-104
• Number of ports: 4/ 8
• Data bits: 5, 6, 7, 8
• Stop bits: 1, 1.5, 2
• Parity: none, even, odd
• Speed (bps): 50 ~ 460.3K
• Connectors: One IDC 40-pin male 
• Data signals: TxD, RxD, RTS, CTS, DTR, DSR, 

DCD, RI, GND

• Power requi5V@200 mA (Typical)

+5V@ 250 mA (Max.)

• Clock input: 14.7456 MHz
• Operating Temperature: 0 ~ 65° C 

    (refer to IEC-68-1-1, 2)

• Storage Temperature:    -25 ~ 80° C

Introduction

Features

Initial Inspection

Notes

For more information on this and other Advantech 

products, please visit our websites at:

http://www.advantech.com

http://www.advantech.com/eAutomation

For technical support and service:

http://www.advantech.com/support/

This startup manual is for PCM-3641I/3642I.

1st Edition

January 2008

Specifications

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