Introduction

The I-7561U is a cost-effective module for transferring serial data via USB. It allows you to connect your serial devices to systems that use a USB interface. Connecting the I-7561U to a PC, you get one RS-232/422/485 port. Like the I-7520A, the I-7561U contains “Self-Tuner” chip auto-tunes the Baud Rate and data format to the RS-485 network.The I-7561U module derives its power from the USB port and doesn’t need any power adapter.