Home SEALEVEL | USB Serial (Software Selectable) Adapters SeaLINK+2.SC: OEM USB to 2 Port RS-232/422/485; SW Config
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SEALEVEL | USB Serial (Software Selectable) Adapters

SeaLINK+2.SC: OEM USB to 2 Port RS-232/422/485; SW Config

Now includes NABL Calibration Certificate.
Rs. 21971.00

The SeaLINK+2.SC OEM (2223-OEM) is a compact USB-to-serial interface board providing two software-configurable RS-232, RS-422, or RS-485 ports. Ideal for OEM integrations, it offers plug-and-play COM port compatibility, high-speed data throughput, and complete configuration via software..

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  • Special Features
  • Specification

The SeaLINK+2.SC OEM (Model 2223-OEM) is engineered for embedded and industrial systems where reliable serial communication is required over USB. It connects via an internal 2mm Molex header and provides two independent software-configurable ports. No jumpers or DIP switches are needed—interface selection and configuration are handled entirely by Sealevel’s driver software.

The adapter is ideal for ITX, EBX, EPIC, and other OEM platforms. Each port supports RS-232, RS-422, or RS-485, and settings are stored onboard, allowing the module to be re-used across multiple hosts without reconfiguration. Sealevel’s advanced state-machine architecture reduces CPU load while ensuring reliable communication at speeds up to 921.6K bps.

This USB-powered module includes power and activity indicators and is ideal for OEM designs requiring flexibility, compact size, and robust performance.

  • Two DB9M serial ports with software-configurable interface (RS-232/422/485)

  • Retains electrical configuration across host systems

  • High-speed UART with 128-byte Tx and 384-byte Rx FIFOs

  • Data rates up to 921.6K bps

  • Powered via internal USB (no external power supply)

  • 2mm Molex 4-pin locking header for internal USB connection

  • Status LEDs for power, interface selection, and data activity

  • Full modem control signals in RS-232 mode

  • Seamless Windows compatibility using SeaCOM drivers

  • RoHS and WEEE compliant design

Parameter Value
Model SeaLINK+2.SC OEM (2223-OEM)
Host Interface USB (Internal Header)
Number of Ports 2
Serial Interface RS-232, RS-422, RS-485
Connector Type DB9M
Configuration Method Software-Based (Driver Controlled)
Max Data Rate 921.6K bps
Max Data Distance 50 ft (RS-232), 4000 ft (RS-485)
Power Requirement USB Bus-Powered
USB Connector 2mm Molex 4-Pin Vertical Header
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
Enclosure Board-Only (OEM Form Factor)
Humidity Range 10–90% Relative Humidity, Non-Condensing
Product Family SeaLINK