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From: lance@motcsd.csd.mot.com (lance.norskog)
Newsgroups: comp.ivideodisc
Subject: Re: computer controlled VCR
Message-ID: <2763@motcsd.csd.mot.com>
Date: 6 Feb 91 01:29:41 GMT
References: <754@anaxagoras.ils.nwu.edu> <9265@cognos.UUCP> <1991Feb4.183844.13097@ux1.cso.uiuc.edu>
Organization: Motorola CSD, Cupertino CA
Lines: 12

tmkk@ux1.cso.uiuc.edu (Scott Coleman) writes:


>A minor note: Connecting to a ^L port is a bit more involved than simply
>wiring up the correct cable and plugging one end into an RS-232 serial port.
>For one thing, the ^L port operates at TTL voltage levels (0-5VDC), not
>RS-232 levels (+/- 12V or so). 

Ummmmm, I flunked electronics and even I know that +12V->+5V is implemented
with 2 resistors.  What more complex things are there to know about L-ports?

Lance