Fujitsi 2444AC 9-track tape drive/PDP-11

W2HX w2hx at w2hx.com
Sun May 5 16:08:57 CDT 2019

>>But plain old flat straight ribbon cable in a 10" length will do for the
2444; even at 6250, frequencies aren't much higher than 1MH

Sounds like I might be ok. Except mine are 10 feet not inches! I guess I'll just have to try them out.

Thanks everyone!
From: cctalk <cctalk-bounces at classiccmp.org> on behalf of Chuck Guzis via cctalk <cctalk at classiccmp.org>
Sent: Wednesday, May 1, 2019 11:00 PM
To: Dennis Boone via cctalk
Subject: Re: Fujitsi 2444AC 9-track tape drive/PDP-11

On 5/1/19 6:58 PM, Dennis Boone via cctalk wrote:
>  > I got a great pair of cables for this project.  50 conductor, 50 pin
>  > IDC, 10 feet long.
> So the minicomputer vendors in the 80s typically used twisted pair
> ribbon for these things, as in the 1700/50 stuff Glen was talking
> about.  I don't know how long a cable would need to be for that to be
> critical.

Yup--good old Spectra-Strip Twist 'N' Flat shown here:


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