Search Now

Part# 2102


USB to 1-Port RS-422, RS-485, RS-530 DB25 Serial Interface Adapter


Don't see what you need? Ask about a custom product.

Where to Buy | Email Sales |
Or call us at: 864.843.4343
The 2102 USB serial interface adapter provides a single USB to RS-422, RS-485, or RS-530 serial port for providing USB connectivity to legacy or non-USB compliant devices. SeaLINK® serial interface adapters support standard PC data rates up to 921.6K bps to provide you with the horsepower your serial I/O applications require.

Sealevel's SeaCOM USB software drivers and utilities make installation and operation easy using Microsoft Windows and Linux 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.

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 1
Brand/Family SeaLINK
Electrical Interface RS-422, RS-485, RS-530
USB Powered Yes
High Retention USB Yes
RoHS Compliant Yes
Serial Connector(s) DB25M
Communications Chip USB/UART
Max Data Rate 921.6K bps
Max Data Distance 4000 feet
Power Requirement +5V @ 50mA
USB Specification 1.1 Compliant
2.0 Compatible
Operating Temperature 0 - +70C
Storage Temperature 0 - +70C
Humidity Range 10 - 90% Relative Humidity, Non-Condensing
Dimensions 3.8" (L) x 2.3" (W) x 1.0" (H)
9.66 cm (L) x 5.84 cm (W) x 2.54 cm (H)
  • • Compliant with RoHS and WEEE directives
  • • Configurable for RS-422, RS-485, or RS-530
  • • High speed UART with 128-byte Tx FIFO and 384-byte Rx FIFO
  • • Data rates to 921.6K bps
  • • Automatic RS-485 enable/disable
  • • All modem control signals implemented
  • • Hot-swappable
  • • Powered by USB connection
  • • DB-25M connector
  • • Sealevel software supports Windows 98SE/ME/2000/XP/Vista and Linux operating systems
  • • Includes 6' USB device cable (Item# CA179)

Terminal Block Kit
Terminal Block Kit


DB25 Serial Cable
DB25 Serial Cable


DB25F to Opto 22 DB9F
DB25F to Opto 22 DB9F


Terminal Block
Terminal Block


Modular Adapter
Modular Adapter


Proudly Made in the USA
© Copyright 1996 - 2017, Sealevel Systems, Inc. All rights reserved.