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Home SEALEVEL | USB Serial Adapters SeaLINK+485-DB9: USB to 1 Port DB9 2-Wire RS-485 Adapter
SeaLINK+485-DB9: USB to 1 Port DB9 2-Wire RS-485 Adapter - Image 1
SEALEVEL | USB Serial Adapters

SeaLINK+485-DB9: USB to 1 Port DB9 2-Wire RS-485 Adapter

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Rs. 9144.00 (Excl. GST)

The SeaLINK+485-DB9 is a rugged, high-performance USB-to-2-wire RS-485 adapter designed for demanding industrial and mobile environments. It provides a single asynchronous RS-485 port via a molded DB9 connector and supports long-distance, high-speed data communication up to 921.6K bps. The adapter includes a removable terminal block (TB34) for field wiring and is fully powered via USB, with status LEDs for visual diagnostics. Built for durability, it operates over an extended temperature range, making it ideal for automation and control systems..

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  • Special Features
  • Specification

The SeaLINK+485-DB9 (Model 2107) offers a robust USB-to-serial solution for 2-wire RS-485 networks used in control, automation, and industrial environments. Designed with durability in mind, it features a rugged DB9 overmold and a shielded USB cable to ensure clean data transmission in electrically noisy conditions. The included TB34 terminal block simplifies field installation and adds secure thumb screw locking. Built-in status LEDs provide visual feedback, while its extended temperature tolerance makes it a perfect choice for mobile or outdoor deployments. Plug-and-play functionality ensures quick integration with legacy systems using Sealevel's SeaCOM software suite.

  1. USB to single-port RS-485 (2-wire) interface

  2. Rugged over-molded DB9M connector for industrial use

  3. Removable terminal block (TB34) included for easy wiring

  4. Supports data rates up to 921.6K bps

  5. Extended temperature range: -40°C to 75°C

  6. USB-powered; no external supply needed

  7. 128-byte transmit and 384-byte receive buffers

  8. Status LEDs for host connection and data activity

  9. Fully shielded 44-inch USB cable protects from EMI/RFI

  10. Compatible with Windows and Linux using SeaCOM drivers

Parameter Value
Model SeaLINK+485-DB9 (2107)
Host Interface USB
Serial Interface RS-485 (2-wire)
Max Data Rate 921.6K bps
Max Data Distance 4000 feet
Power Requirement +5V @ 100mA (via USB)
USB Powered Yes
USB Specification USB 1.1 Compliant; USB 2.0 Compatible
Serial Connector DB9 Male + Removable Terminal Block (TB34)
Communication Chip USB/UART
FIFO Buffers 128-byte TX, 384-byte RX
Cable Length 44 inches (shielded)
Dimensions (Overmold) 2.24" × 1.3" × 0.6"
Overall Length 60 inches
Operating Temperature -40°C to 75°C (-40°F to 167°F)
Storage Temperature -50°C to 105°C (-58°F to 221°F)
Humidity Range 10–90% RH, Non-Condensing
High Retention USB No
Operating Systems Windows, Linux
Software Included SeaCOM USB drivers and utilities
Product Family SeaLINK