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Part# 3502

(SIO.104+2)

PC/104 RS-232, RS-422, RS-485 Serial Interface


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THIS PRODUCT IS OBSOLETE DUE TO LACK OF COMPONENT AVAILABILITY. PLEASE CONTACT YOUR SALES REPRESENTATIVE FOR FURTHER INFORMATION AND NEW PRODUCT ALTERNATIVES.

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The 3502 PC/104 serial interface provides two serial ports, each individually configurable for RS-232, RS-422, or RS-485. The board is capable of data rates to 460.8K bps and automatically handles RS-485 transmitter enable/disable. The 3502 utilizes 16C850 UARTs to provide 128-byte Tx/Rx FIFOs for maximum reliability in data intensive applications.

Sealevel's SeaCOM software makes installation and operation easy using Microsoft Windows and Linux operating systems.
Host Interface(s) PC/104
# of Ports 2
Electrical Interface RS-232, RS-422, RS-485
UART Series 850 UART
Communications Chip 16C850
Max Data Rate 460.8K bps
Max Data Distance 4000 feet
RS-485 Operation Full Duplex (4 wire)
Half Duplex (2 wire)
Operating Temperature 0 - +70C
Extended Temperature Call for Options
Storage Temperature -50 - +105C
Humidity Range 10 - 90% Relative Humidity, Non-Condensing
  • • Each port individually configurable for RS-232, RS-422, or RS-485
  • • 16C850 buffered UARTs with 128-byte FIFOs
  • • Data rates to 460.8K bps
  • • Automatic RS-485 enable/disable
  • • Two 10-pin vertical header connectors (right-angle connectors available for OEM opportunities)






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