Part#: 2208


Embedded USB to 2-Port RS-232 DB9 Serial Interface Adapter with Standard Size PC Bracket



The 2208 is a two-port embedded USB to RS-232 serial adapter intended for mounting directly to a PC’s chassis, eliminating the need for external converters and providing a clean, professional installation. The board is USB bus powered with each port capable of data rates to 460 Kbps, and installs inside a standard height computer in a spare bracket location. The 2208 includes a standard PC bracket with two DB-9 male connectors and two 14-inch USB header cables (Item# CA260) that connect to most motherboard USB box header connectors and use two USB ports (one per serial port). Other USB header cable options are available on a custom design basis.

Sealevel’s SeaCOM USB software drivers and utilities make installation and operation easy using Microsoft Windows operating systems. After installing the software, simply connect the SeaLINK® serial interface adapter to your USB port and the device is immediately recognized by the system as a standard serial port.

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Additional information

Weight 1.5000 lbs
Dimensions 2.6 x 1.3 x 1.00 in

Communications Chip


Electrical Interface

Humidity Range

Host Interface(s)

Max Data Distance

Max Data Rate

Operating Temperature

PC Bracket

# of Ports

Power Requirement

RoHS Compliant

Serial Connector(s)

Storage Temperature

USB Powered

USB Specification

  • • Compliant with RoHS and WEEE directives
  • • High speed UART with 128-byte Tx FIFO and 384-byte Rx FIFO
  • • Data rates to 460.8K bps
  • • All modem control signals implemented
  • • Powered by USB connection
  • • Includes two 14 USB header cables (Item# CA260)
  • • Sealevel software supports Windows 98SE/ME/2000/XP/Vista and Linux operating systems
  • • Dual DB-9M connectors

Windows Software

Software: SeaCOM - Windows

Linux Software

Software: SeaCOM - Linux


Manual: 2208


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