USB to Serial_Manual_Eng_DM v3.05.1

USB to Serial User Manual
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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.