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7000 Bus Converter User Manual (version 1.2,Feb/2003, 7PH-006-10) --------------- 38
3.2 I-7561 Pin Assignment and Specifications
Specifications
Compatibility: USB 1.1 standard
Input port: USB
Output port: 3-wire RS-232, RS-422, RS-485.
Cable: USB type A connector (Type A to Type B cable provided).
Isolation voltage: 3000VDC
“Self Tuner” inside, support multiple Baud Rate and multiple Data Format
Auto switching baud rate, 300~115.2K BPS
256 modules max. in one RS-422/485 network without repeater
Isolation voltage: 3000VDC
Repeater request: 4,000 feet or over 256 modules
Communication distance:
2.1Km/9600 Bps, 2.7Km/4800 Bps, 3.6Km/2400 Bps
Power requirements: Voltage support by USB interface of the host-PC.
Power consumption: 1.5 W max.
Operation temperature: -25
℃
to +75
℃
Storage temperature: -25
℃
to +80
℃
Humidity: 5~ 95%
Driver Supported: Windows 98/ME/2000, XP, Linux, MacOS
Introduction
The I-7561 is a cost-effective module for transfe
r
serial data over USB. It allows you to connect you
r
serial devices to systems using a USB interface.
Connecting the I-7561 to a PC, you get one extra
high-speed RS-232/422/485 ports. 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 (when you
use I-7561, you should connect power ground to othe
r
modules). It also features a high-speed 115.2 Kb/s
transmission rate, and supports various O.S.
independent RS-232/422/485 Ports.