SUNRICH TECHNOLOGY IU-100 User Manual Download Page 10

Page: 10 / 12

MN3000100022

Page 10

Rx+

Rx-

GND

2.3 Jumper Settings

This USB to RS-22/485 Serial Adapter equips independent TX and RX

termination resistors for each serial port. User can modify the jumper

settings (short the pins) to avoid impedance mismatched problem when

operate under Multi-drop transmission. User will need to open up the

metal covers, and set the jumper setting to enable or disable 120 ohms

termination resistors.

Factory default jumper setting is OPEN (disable 120 ohms termination

resistors across the two wires).

Summary of Contents for IU-100

Page 1: ...USB to RS 422 485 Serial Adapter User Manual Ver 4 00 All brand names and trademarks are properties of their respective owners...

Page 2: ...s 4 1 4 Package Contents 4 Chapter 2 Getting Started 4 2 1 Hardware Layout 4 2 2 Pin Assignment 9 2 3 Jumper Settings 10 2 4 Driver Installation 11 2 4 1 Installation for Windows XP Vista 7 8 10 11 2...

Page 3: ...ily connect this adapter to the USB port on your PC or USB hub and get access to any RS 422 485 devices This device is suitable for portable devices and industrial applications 1 2 Features Compliant...

Page 4: ...x and Windows CE Available USB port 1 4 Package Contents 1 x USB to RS 422 485 Serial Adapter 1 x Driver CD 1 x User Manual 1 x USB type A B cable 1 x Power Adapter Optional Note Contents may vary dep...

Page 5: ...MN3000100022 Page 5...

Page 6: ...MN3000100022 Page 6 2 Port USB to RS 422 485 Serial Adapter...

Page 7: ...MN3000100022 Page 7 4 Port USB to RS 422 485 Serial Adapter...

Page 8: ...This USB to RS 422 485 Serial Adapter equips independent DIP switch for each serial port 1 Auto RS 422 485 Default This COM can automatically detect the state of RS 422 full duplex or RS 485 half dup...

Page 9: ...ent This USB to RS 22 485 Serial Adapter uses male DB9 connectors Pin assignments are show in the following Male DB9 Connector Device side Pin Assignments Pin Transmission Signals RS 422 4 Wire RS 485...

Page 10: ...h serial port User can modify the jumper settings short the pins to avoid impedance mismatched problem when operate under Multi drop transmission User will need to open up the metal covers and set the...

Page 11: ...e The CD ROM will start automatically The following screen will show up and please click Install Driver Note Actual image may vary Note If the install program doesn t run automatically please locate a...

Page 12: ...s is no need driver for kernel 2 6 31 above 2 4 3 Installation for Mac OS X Please refer to the installation guide and driver for Mac OS X operation system installation within the folder located in th...