[vcf-midatlantic] MMJ cables for cheap

VAXman at tmesis.org VAXman at tmesis.org
Sat Apr 23 17:44:25 EDT 2016


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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