User Manual

IOWA-LX-600 Half-size CPU Card
Page 88

IrDA
IrDA compliant serial infrared port

ASKIR
Amplitude shift keyed infrared port

Normal
(Default) RS-232C serial port
 RxD, TxD Active [Hi, Lo]
The RxD, TxD Active option can only be selected if the UART Mode Select option is set
to IrDA mode or ASKIR mode. Use the RxD, TxD Active option to set the infrared
reception (RxD) and tran smission (TxD) polarity. The RxD, Tx D A ctive options are:
 Hi, Hi
 Hi, Lo (Default)
 Lo, Hi
 Lo, Lo
 IR Transmission Delay [Enabled]
Use the IR Transmission Delay option to specify whether or not there should be a delay
for the IR transmission.

Disabled
There is no transmission delay.

Enabled
(Default) There is a transmission delay.
 UR2 Duplex Mode [Normal]
Use the Parallel Port Mode option to select parallel port operation mode.

Full
Full-duplex mode allows transmission in both directions
at the same time.

Half
Default Half-duplex mode allows transmission in one direction
at a time only.
 Use IR Pins [IR-Rx2Tx2]
Use the Use IR Pins options to specify how the IR pins resp ond. The Us e IR Pins options
are: