USB to Serial_Manual_Eng_DM v3.05.1
USB to Serial User Manual
60
Multi-4U/8U Version History
Version
Feature
V 1.0
V 1.1
Using V DC by 12V from an adapter
5V or 12V DC power supply by d-sub pin#9.
Using linear regulator for V1.0 and switching regulator for V1.1.
V 1.2
DC power has nothing to do with bus power supplied from USB port. DC power is used to supply power
to d-sub pin#9.
Use 5V DC adapter to supply 5V power
Use 12V DC adapter to supply 12V power
Provide power to d-sub pin#9 using external power supply, an adapter.
V 1.5
Providing +5V power supply to RI signal (d-sub pin #9)
DC can be used additional BUS power supply and external power supply. DC must be used 5V adapter.
Using GL850
V 1.6
Providing +5V power supply to RI signal (d-sub pin #9)
DC can be used additional BUS power supply and external power supply. DC must be used 5V adapter.
Using GL850A (Discontinued GL850)
※ Latching USB connecter is applied to all existing model.
V1.7
Switched to high performance USB 2.0 controller, the performance increases by 30%
Providing +5V power supply to RI signal (d-sub pin #9)
The DC power can be used additional to BUS power supply.
※ Latching USB connecter is applied to all existing model.