OT : old US Telephone hybrid ('Network' block)

David Griffith dgriffi at cs.csubak.edu
Tue Mar 29 16:04:08 CDT 2011


On Tue, 29 Mar 2011, Tony Duell wrote:

> The 425 network was not field rpeairiable, and I can see why. After
> bending up the tabs, I slid off the can to reveal the components in a
> particularlly evil potting compound. It's not hard, it's sticky, I can be
> scraped off (but I spent good quarter of an hour clenaing a screwdriver
> after this). It will soften with heat (in fact a hot air paint stripper
> gun wil lget it to drip off, but I was gettign the thing so hot that the
> plastic terminal board was softening too). No solvent I have tried will
> remove it.
>
> The BSP docuemtns simply call it an 'insulating medium' which is not much
> help :-).
>
> Has anyone ever repaired such a Network block and knows how to shift this
> stuff?

Here's a replacement for $20: 
http://www.oldphoneworks.com/network-425.html


-- 
David Griffith
dgriffi at cs.csubak.edu

A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?



More information about the cctalk mailing list