SEALEVEL | USB Serial Adapters

SeaLINK+485I: USB

Rs. 14478.00

The SeaLINK+485I is a rugged, industrial-grade USB-to-serial adapter that provides one isolated RS-422/RS-485 port for connecting legacy or industrial devices to USB-enabled systems. Designed for environments prone to electrical interference, the adapter includes built-in isolation to protect against ground loops and surges. Powered entirely by USB and supporting long-distance communication up to 4000 feet, it delivers safe, stable, and high-speed serial data transmission for control and automation applications..

  • Detail
  • Special Features
  • Specification

The SeaLINK+485I adapter enables seamless USB communication with RS-422 and RS-485 devices in noisy or electrically unstable environments. It isolates the serial interface to protect both the host computer and connected devices from electrical damage, making it ideal for industrial control systems, automation, and remote device monitoring. Installation is straightforward using Sealevel’s SeaCOM driver suite, and once connected, the adapter is automatically recognized as a standard COM port. With its long communication range, rugged design, and USB-powered convenience, the SeaLINK+485I is a powerful solution for reliable, isolated serial connectivity.

  • Provides 1 isolated RS-422/RS-485 serial port via USB

  • Isolation protects devices from surges and ground loops

  • USB-powered — no external power supply needed

  • Supports communication distances up to 4000 feet

  • SeaCOM drivers for Windows and Linux ensure easy setup

  • Recognized as a standard COM port after installation

  • High-retention USB connector prevents accidental disconnects

  • Compact, durable design suited for industrial environments

Parameter Value
Model SeaLINK+485I (2104)
Host Interface USB
Serial Interface RS-422, RS-485, RS-530 (Isolated)
Max Data Distance 4000 feet
Isolation Yes
USB Powered Yes
USB Specification USB 1.1 Compliant; USB 2.0 Compatible
Communication Chip USB/UART
Operating Temperature 0°C to 70°C (32°F to 158°F)
Dimensions 3.8" × 2.3" × 1.0" (9.66 × 5.84 × 2.54 cm)
High Retention USB Yes
Operating Systems Windows, Linux
Software Included SeaCOM USB drivers and utilities
Product Family SeaLINK