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

Part: 2208   Model: SeaLINK+2/232.PC


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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



PC Bracket

Standard Height

USB Powered


Storage Temperature

-50°C to 105°C (-58°F to 221°F)

Serial Connector(s)


RoHS Compliant


Power Requirement

+5V @ 50mA (each port)

# of Ports


Operating Temperature

0°C to 70°C (32°F to 158°F)

Communications Chip


Max Data Rate

460.8K bps

Max Data Distance

50 feet

Host Interface(s)


Humidity Range

10 – 90% Relative Humidity, Non-Condensing

Electrical Interface



2.6 (L) x 1.3 (W)

USB Specification

1.1 Compliant2.0 Compatible

  • 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


Datasheet: 2208


Manual: 2208


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