1. <language> An early system on the IBM 650.
[Listed in CACM 2(5):16, May 1959].
2. <standard> Serial Infrared. An infrared standard from IrDA, part of IrDA Data. SIR supports asynchronous communications at 9600 bps - 115.2 Kbps, at a distance of up to 1 metre.
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