Re: [NTLK] Q:Nitro/IrDA docking?

From: WL (
Date: Tue Jun 03 2003 - 10:55:13 PDT


Eckhart K?ppen wrote at Sunday 01 June 2003 21:37 in

> On Sun, 01 Jun 2003 19:48:34 +0200, WL wrote:
>> What do you folks think about IR docking (Backup, PKG install, ...) and
>> how fast could this IRDA go?
> SIR (Slow IrDA) is 115200 kbit/sec maximum. But that is only the raw
> speed. The protocol overhead is quite heavy: frames (2k in size for
> OBEX, 512 bytes for IrCOMM) are sent in turns (IrDA is half-duplex),
> time between turns is 0.5 seconds. So ideally, you'd be able to
> transfer 2 * 2k per second.

Oh my - sounds pretty much suited (11kB/s brutto, 4 netto) to Newton Memory
writing speeds according to
(which states about 15kB/s for internal memory)

> It is still quite usable, but you should maybe not use it to transfer
> MP3 files...

quite so.

Still the question stands: do you perhaps also plan for infrared docking in
the foreseeable future?

-- Wolf Lichtenberger
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