Home SEALEVEL | USB Serial Adapters SeaLINK+4/485: USB to 4 Port RS-422/485 Serial Adapter
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SEALEVEL | USB Serial Adapters

SeaLINK+4/485: USB to 4 Port RS-422/485 Serial Adapter

Rs. 23368.00

The SeaLINK+4/485 (Model 2402) is a rugged, industrial-grade USB-to-serial adapter that offers four RS-422 or RS-485 ports for reliable communication with legacy or industrial devices. Supporting communication distances up to 4000 feet, it’s ideal for factory automation, control systems, and data acquisition applications. With USB-powered operation, high-retention USB connectors, and full compatibility with Windows and Linux, this adapter ensures fast deployment and dependable performance..

  • Detail
  • Special Features
  • Specification

The SeaLINK+4/485 allows simultaneous USB connection to four RS-422 or RS-485 serial devices, making it a robust solution for high-density industrial applications. Its compact chassis houses four DB9 male ports that can be configured for long-range serial communication up to 4000 feet, enabling deployment in large-scale networks. Each port supports stable, full-duplex or half-duplex transmission depending on the protocol. With plug-and-play installation and reliable SeaCOM driver support, the adapter is recognized as four individual COM ports by the system, allowing legacy serial software to operate without changes.

  1. Four RS-422/RS-485 serial ports with DB9M connectors

  2. Long-distance communication up to 4000 feet per port

  3. USB 1.1 compliant and USB 2.0 compatible

  4. USB bus-powered — no external power supply required

  5. Rugged, compact design for industrial environments

  6. High-retention USB connector ensures secure connection

  7. Seamless driver support via SeaCOM for Windows and Linux

  8. Ideal for control systems, SCADA, automation, and legacy integration

Parameter Value
Model SeaLINK+4/485 (2402)
Host Interface USB
Number of Ports 4
Serial Interface RS-422, RS-485
Serial Connectors DB9 Male (x4)
Max Data Distance 4000 feet
Power Requirement USB Powered
USB Specification USB 1.1 Compliant; USB 2.0 Compatible
Dimensions 7.1" × 5.3" × 1.5"
Operating Temperature 0°C to 70°C (32°F to 158°F)
Communication Chip USB/UART
High Retention USB Yes
Operating Systems Windows, Linux
Software Included SeaCOM USB drivers and utilities
Product Family SeaLINK