[geeks] rj-45 boots installed after connector?

Jonathan Groll lists at groll.co.za
Fri Sep 2 08:09:07 CDT 2011


On Fri, 2 Sep 2011 14:13:13 +0300, gsm at mendelson.com wrote:

> I have some specialized cables that use RJ-45 connectors. They don't come with
> protective boots on them, and I would like to add something to keep the
> clips intact. 
> 
> Normally I hate the boots and prefer cables with out them, but these
> are different, you plug them in, run a program on the computer for a
> few minutes and then unplug them. If they fall out during the
> operation
> you coud end up with a very expensive brick.
> 
> The cables are not cheap and the wiring is not standard, so I can't cut
> off the plugs when the clips break and re-do it. Maybe you can with the
> right plugs, very good eyesight and a very steady hand, but I don't have
> any of those.
> 
> The other end of the cable is a DB-9 plug with a specialized RS-232 to
> TTL level convertor set in it, so I don't want to throw them out. 
> 
> They are made in China, so there is no chance of my sending them back
> for "re-clipping". 
> 
> One thing I was thinking of is to split a boot longways and put it on
> the cable. To hold it in place, I would wrap the cable end with tape.
> 
> Any suggestions?

Possibly wind a thick ring of insulation tape on the wire just behind
the RJ45 connector to give it some heft and possibly make it fall out
less easily. An extra layer of tape, on the three non-conductive sides
of the RJ45 plug itself will make it fit more snugly into the socket
too. Personally, when I make a cable I never put a boot on it - can't
stand them.

Also, not what you're asking, but I assume you've heard of Dave Yost's
wiring scheme:
http://yost.com/computers/RJ45-serial/index.html
I bought a whole bunch of DB9-RJ45 and DB25-RJ45 converters (the kind
that you wire yourself) on eBay and have been happily on YOST since.

Cheers,
Jonathan
--
jjg: Jonathan J. Groll : groll co za
has_one { :blog => "http://bloggroll.com" }
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