Part# 3551


PC/104 RS-232 Serial Interface

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The 3551 PC/104 serial interface provides one RS-232 port capable of data rates to 460.8K bps. The board implements all modem control signals for maximum compatibility with a wide range of peripherals. The 3551 utilizes a 16C850 UART to provide 128-byte Tx/Rx FIFOs for maximum reliability in data intensive applications. Ordering options allow the choice of UARTs for custom baud rates and 9-bit protocols.

Sealevel's SeaCOM software makes installation and operation easy using Microsoft Windows and Linux operating systems.

Note: This item has a minimum order quantity (MOQ) of 25 units. Please contact your sales representative with any questions.
Host Interface PC/104
# of Ports 1
Electrical Interface RS-232
RoHS Yes
UART Series 850 UART
Communications Chip 16C850
Max Data Rate 460.8K bps
Max Data Distance 50 feet
Operating Temperature 0 - +70C
Extended Temperature Call for Options
Storage Temperature -50 - +105C
Humidity Range 10 - 90% Relative Humidity, Non-Condensing
  • • Compliant with RoHS and WEEE directives
  • • 16C850 buffered UART with 128-byte FIFOs
  • • Data rates to 460.8K bps
  • • All modem control signals implemented
  • • 10-pin vertical header connector (right-angle connector available for OEM opportunities)

PC/104 Adapter
PC/104 Adapter


Terminal Block
Terminal Block


10-Pin IDC to DB9M Cable
10-Pin IDC to DB9M Cable


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PC/104 Hard Drive Adapter


Terminal Block Kit
Terminal Block Kit


DB9 to DB25 Serial Cable
DB9 to DB25 Serial Cable


DB9 Serial Extension Cable
DB9 Serial Extension Cable


Modular Adapter
Modular Adapter


Proudly Made in the USA
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