Home SEALEVEL | USB Serial (Software Selectable) Adapters SeaLINK.SC: OEM USB to 1 Port RS-232/422/485;Software Config
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SEALEVEL | USB Serial (Software Selectable) Adapters

SeaLINK.SC: OEM USB to 1 Port RS-232/422/485;Software Config

Rs. 16891.00

The SeaLINK.SC (2123-OEM) is a compact OEM USB serial adapter that offers one software-configurable RS-232, RS-422, or RS-485 port with full modem control. Designed for embedded systems, it connects via a 4-pin Molex USB header and simplifies setup with software-based configuration..

  • Detail
  • Special Features
  • Specification

The SeaLINK.SC (Model 2123-OEM) delivers a versatile and robust single-port USB-to-serial interface in a compact form factor built for embedded applications. Whether you're working with RS-232, RS-422, or RS-485, the serial mode is software-selectable and persistent across reboots and host systems.
The device is powered entirely from the USB connection and uses a vertical 4-pin Molex USB header for internal motherboard connectivity. LEDs indicate power, active interface mode, and serial transmission status, making diagnostics quick and easy.
Sealevel’s state-machine USB architecture optimizes performance while minimizing CPU load—perfect for industrial, commercial, or kiosk applications.

  1. One software-configurable RS-232/422/485 port

  2. 100% software-configurable—no jumpers or switches

  3. Retains settings across multiple systems

  4. High-speed UART with 128-byte Tx and 384-byte Rx FIFO

  5. Supports data rates up to 921.6K bps

  6. Powered via USB—no external power required

  7. DB9M serial connector with full modem control in RS-232

  8. Status LEDs for interface mode and serial activity

  9. Compact design ideal for OEM boards and internal integration

  10. SeaCOM drivers for Windows 98SE to Vista

Parameter Value
Model SeaLINK.SC (2123-OEM)
Host Interface USB
Number of Ports 1
Serial Interface RS-232, RS-422, RS-485
Connector Type DB9M
Configuration Method Software-Defined (no jumpers or switches)
Max Data Rate 921.6K bps
Max Data Distance 50 feet (RS-232), 4000 feet (RS-485)
Power Requirement USB Powered
USB Header 2mm 4-pin Molex (Molex #35507-0400)
USB Specification USB 1.1 Compliant; USB 2.0 Compatible
Dimensions 2.9" (L) x 2.5" (W) x 0.6" (H)
Operating Temperature 0°C to 70°C (32°F to 158°F)
Storage Temperature -50°C to 105°C (-58°F to 221°F)
High Retention USB No
Communication Chip USB/UART
Humidity Range 10–90% Relative Humidity, Non-Condensing
Product Family SeaLINK