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Contents
What is USB MultiPort? ................................................................................................................. 5
Multiport USB Specifications ......................................................................................................... 6
Multi-1/USB Ver4.0 ........................................................................................................................ 7
- Specification ........................................................................................................................ 7
1. RS232 Model ..................................................................................................................... 8
2. RS422, RS485 Model ........................................................................................................ 9
Multi-2/USB Ver4.0 ...................................................................................................................... 13
- Specification ...................................................................................................................... 13
1. RS232 Model ................................................................................................................... 14
2. RS422, RS485 Model ...................................................................................................... 15
Multi-4/USB Ver4.0 ...................................................................................................................... 19
- Specification ...................................................................................................................... 19
1. RS232 Model ................................................................................................................... 20
2. RS422, RS485 Model ...................................................................................................... 21
Multi-4/8 USB under V1.5 ............................................................................................................ 25
1. RS232 Model ................................................................................................................... 25
2. RS422, RS485 Model ...................................................................................................... 27
Multi-4/8 USB V1.5, V1.6 ............................................................................................................ 29
1. RS232 Model ................................................................................................................... 29
2. Combo (RS422/RS485) Model ........................................................................................ 30
Multi-4/8 USB V1.7 ...................................................................................................................... 34
1. RS232 Model ................................................................................................................... 34
2. Combo (RS422/RS485) Model ........................................................................................ 35
Installing Windows 98 Device Driver ........................................................................................... 39
Installing Windows 2000/XP/2003 Device Driver ........................................................................ 41
Installing Window Vista/2008 Device Driver ................................................................................ 44
Installing Window 7 Device Driver ............................................................................................... 47
Automatic Driver Installation in Windows .................................................................................... 51
Windows Device Driver Setup ..................................................................................................... 53
Removing Windows 98/2000/XP/2003 Driver ............................................................................. 56
1. Remove Device Driver Using Device Manager ............................................................ 57
2. Using FTClean.exe ....................................................................................................... 62
3. Using CDMUnistaller.exe .............................................................................................. 66