Half-duplex VT420?

From: Dave McGuire <mcguire_at_neurotica.com>
Date: Mon Oct 8 22:08:18 2001

On October 9, Iggy Drougge wrote:
> But if I have a toasted line driver, wouldn't that strike both inbound and
> outbound data?

  Nope...many RS232 interfaces are built with 1488 driver and 1489
receiver chips. Nowadays the Maxim MAX232 (and family) chips are
popular for that sort of thing since they only require +5V...but I'll
bet the VT420 uses 1488/1489 chips.


Dave McGuire
Laurel, MD
Received on Mon Oct 08 2001 - 22:08:18 BST

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