You're right, it's a 4070. Any clue how to tell if it really is serial vs.
parallel?
Thanks!
jay West
-----Original Message-----
From: Tony Duell <ard_at_p850ug1.demon.co.uk>
To: Discussion re-collecting of classic computers
<classiccmp_at_u.washington.edu>
Date: Friday, July 23, 1999 6:52 PM
Subject: Re: New Acquisitions! (HP2000)
>> A Facit RS-232 paper tape punch (don't recall the model offhand, but it's
>> rackmount)
>
>Probably 4070s. They are used on just about all old minis...
>
>Are you sure they're RS232, though. There is an RS232 interface for the
>4070, but it's not common. Most of them have a parallel interface also on
>a DB25-S connector. It's close to Centronics, but some of the signals are
>inverted.
>
>-tony
>
>
Received on Sat Jul 24 1999 - 09:09:39 BST