USB to RS-232/422/485 Converter

 
Introduction
  The I-7561 is a cost-effective module for transfer serial data over USB. It allows you to connect your serial devices to systems using a USB interface. Connecting the I-7561 to a PC, you get one RS-232/422/485 port. Like our I-7520A,the I-7561 contains “ Self Tuner “ This chip auto-tunes the baud rate and data format to the Rs-485 network. The I-7561 module derives the power from the USB port and doesn’t need any power adapter. It also features a high-speed 115.2 Kb/s transmission rate, and supports various O.S. independent RS-232/422/485 Ports
Features
Full compatibility with USB 1.1specifications.
Input: USB protocol.
Output: RS-232/422/485 protocol.
Speed: “Self Tuner” inside
3000 Vdc isolation protection provided.
256 modules max. in one RS-485 network without repeater. 
2048 modules max. in one RS-485 network with repeater.
Repeater request: 4,000 feet or over 256 modules.
Plug-and-play installation.
The I-7561 gets the power from USB port; no need external power supply 
Windows 98/ME/2000/XP and Linux drivers supported. Driver for other operating system are currently under development
Specifications
Compatibility: USB 1.1 standard
Input: USB protocol
Output:  RS-232/422/485 protocol
Cable: USB type A connector (Type A to Type B cable provided).
RS-232 Signals: TXD, RXD ,GND
RS-422 Signals: RX+, RX-, TX+, TX-
RS-485 Signals: DATA+, DATA-
“Self Tuner” inside, support multiple Baud Rate and multiple Data Format
256 modules max. in one RS-422/485 network without repeater
Isolation voltage: 3000 Vdc
Photo-coupler isolation: 2500V rms
Repeater request: 4,000 feet or over 256 modules 
Communication distance:1.2Km/9600 bps
Mounting: Din-rail, wall mounting, piggyback stack
Operating temperature: -25°C to +75°C
Storage temperature: -25°C to +80°C
Humidity: 5~ 95%
Dimensions: 123 mm x 72 mm x 33 mm
Driver supported: Windows 98/ME/2000/XP and Linux 

Manual