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2201 USB to 2-Port RS-232 DB9 Serial Interface Adapter
2201 USB to 2-Port RS-232 DB9 Serial Interface Adapter

Part# 2201


USB to 2-Port RS-232 DB9 Serial Interface Adapter


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The SeaLINK® 2201 USB serial I/O adapter provides two RS-232 serial ports for USB connectivity to legacy or non-USB compliant devices. The 2201 supports standard PC data rates up to 460.8K bps.

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 2201 serial interface adapter to your USB port. The device is immediately recognized by the system. Now your non-USB peripherals can have the same connection simplicity and ease of use as USB aware peripherals.

Do you know that adapter design can impact your application? Find out how in this USB Serial performance report.
Host Interface(s) USB
# of Ports 2
Brand/Family SeaLINK
Electrical Interface RS-232
USB Powered Yes
High Retention USB Yes
RoHS Compliant Yes
Serial Connector(s) DB9M
Communications Chip USB/UART
Max Data Rate 460.8K bps
Max Data Distance 50 feet
Power Requirement +5V @ 500mA
USB Specification 1.1 Compliant
2.0 Compatible
Operating Temperature 0 - +70C
Storage Temperature -50 - +105C
Humidity Range 10 - 90% Relative Humidity, Non-Condensing
Dimensions 7.1 (L) x 5.3 (W) x 1.5 (H)
  • • 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
  • • Serial and USB activity LEDs
  • • Hot-swappable
  • • Powered by USB connection
  • • Sealevel software supports Windows 98SE/ME/2000/XP/Vista and Linux operating systems
  • • DB-9M connectors
  • • Includes 6' USB device cable (Item# CA179)

2U 19 In. Rack Tray
2U 19 In. Rack Tray


DB9 to DB25 Serial Cable
DB9 to DB25 Serial Cable


Rackmount Clamp
Rackmount Clamp


Modular Adapter
Modular Adapter


Proudly Made in the USA
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