NCT Group i30sx User Manual

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Data Accessories
The i30sx phone supports both RS232 communications and USB 
communications (with USB mother devices). The i30sx phone will 
automatically detect whether an RS232 or USB cable has been connected to it 
and will utilize the appropriate protocol. No other action is required in order to 
select between USB or RS232 serial communications.
iDEN PC applications will support USB drivers for the following operating 
systems only:
Windows 98
Windows 2000
Windows  ME
Windows XP
USB Cable
RS232 Cable