[vcf-midatlantic] MMJ cables for cheap

David Hoelzer dhoelzer at enclaveforensics.com
Sat Apr 23 17:50:53 EDT 2016


I’m with you Brian.

> On Apr 23, 2016, at 5:44 PM, Brian Schenkenberger via vcf-midatlantic <vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:
> 
> David Riley via vcf-midatlantic writes:
> 
>> On Apr 23, 2016, at 3:11 PM, Dave Wade via vcf-midatlantic =
>> <vcf-midatlantic at lists.vintagecomputerfederation.org> wrote: >=20 >
>> Dave, >=20 > I think several folks have the crimp tools and jacks/plugs
>> needed to = make MMJ leads. The problem I have had is finding 9 or
>> 25-pin adaptors = when I want to plug into a non-DEC terminal.  The last
>> cables I made = were "bodged" from a similar cable. I cut one RJ12 off
>> and replaced it = with an MMJ plug, so I ended up with an MMJ<->RJ12
>> lead. I then tweaked = an RJ12 DE-9 Socket to connect to a laptop with
>> serial port. In fact = these leads are a cheap source 6-Way cable...
>> 
>> DE9 and DB25 to 8p8c adaptors with completely customizable pin =
>> selections are easily available from Monoprice, though they insist on =
>> calling them DB9 and RJ45 (you really DON'T want actual RJ45 going into
>> = your motherboard; those buffers are tolerant, but 50v is a lot):
>> 
>> http://www.monoprice.com/product?p_id=3D1152 =
>> <http://www.monoprice.com/product?p_id=3D1152>
>> http://www.monoprice.com/product?p_id=3D1159 =
>> <http://www.monoprice.com/product?p_id=3D1159>
> 
> Those are all 8-pin modular vis-a-vis RJ45.  Blackbox sells MMJ adaptor kits
> akin to the 8-pin kits you posted.
> 
> https://www.blackbox.com/store/US/SearchResults.aspx?term=mmj
> 
> 
> 
>> Making 8p8c->MMJ cables is really the best way to go, especially with =
>> the presence of these little D-sub adaptors.
> 
> I beg to differ.
> 

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