PCMCIA RS-232 Serial Interface Card

Part: 3622   Model: PC-COMM+232

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This product is classified as legacy and is not recommended for new or high volume designs.

Sealevel will support legacy products through technical and warranty support, software drivers and product manuals. Please contact Sales for further information. For new product designs, we recommend the 2213 or 2223.

The 3622 PCMCIA serial interface card provides two RS-232 serial ports capable of data rates to 460.8K bps. Each RS-232 port implements all modem control signals for maximum compatibility with a wide range of peripherals. The 3622 utilizes 16C850 UARTs to provide 128-byte Tx/Rx FIFOs for maximum reliability in data-intensive applications. The board ships with a 12″ detachable cable that terminates to two DB-9M connectors. Ordering options allow the choice of UARTs for custom baud rates and 9-bit protocols.

Note: This item has a minimum order quantity (MOQ) of 25 units.


Additional information

Communications Chip


Electrical Interface


Humidity Range

10 – 90% Relative Humidity, Non-Condensing

Host Interface(s)


Max Data Distance

50 feet

Max Data Rate

460.8K bps

Operating Temperature

0°C to 70°C (32°F to 158°F)

# of Ports


Serial Connector(s)


Storage Temperature

-50°C to 105°C (-58°F to 221°F)

UART Series

850 UART

  • Type II, 16-bit PCMCIA 2.01 (JEIDA 4.1) compliant form factor
  • 16C850 buffered UARTs with 128-byte FIFOs
  • Data rates to 460.8K bps
  • All modem control signals implemented
  • 12″ detachable cable with two DB-9M connectors

Windows Software

Software: SeaCOM - Windows

Linux Software

Software: SeaCOM - Linux


Manual: 3622


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