110-style punchdown blocks source -- "4 pair"

[Don Y]

Any suppliers I should try for something along the lines of:

<https://www.amazon.com/S110D-4-Connecting-Blocks-Punchdown-Solder/dp/B06ZYRT9C5>

I'd be amenable to an SMT version -- but would have to evaluate
it's durability and fab consequences.

Buying in *tiny* quantities (e.g., "5" @ $5 is too ridiculously
expensive). OTOH, I only need 1K for prototyping so I don't want
to have to purchase in quantities best expressed "by weight"!
(e.g., 1M)

 

[David Lesher]

Don Y <blockedofcourse@foo.invalid> writes:

Any suppliers I should try for something along the lines of:

https://www.amazon.com/S110D-4-Connecting-Blocks-Punchdown-Solder/dp/B06ZYRT9C5

Have you asked Siemon directly? They are hardly obscure:
<https://www.siemon.com/>
--
A host is a host from coast to coast.................wb8foz@nrk.com
& no one will talk to a host that's close..........................
Unless the host (that isn't close).........................pob 1433
is busy, hung or dead....................................20915-1433

 

[Dan Purgert]

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Don Y wrote:
> Any suppliers I should try for something along the lines of:

Digikey, mouser?

Doubt you're gonna get much less than a dollar per though :/


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|_|_|O| Github: https://github.com/dpurgert
|O|O|O| PGP: 05CA 9A50 3F2E 1335 4DC5 4AEE 8E11 DDF3 1279 A281

 

[Jasen Betts]

On 2020-02-26, Don Y <blockedofcourse@foo.invalid> wrote:

Any suppliers I should try for something along the lines of:

https://www.amazon.com/S110D-4-Connecting-Blocks-Punchdown-Solder/dp/B06ZYRT9C5

I'd be amenable to an SMT version -- but would have to evaluate
it's durability and fab consequences.

Buying in *tiny* quantities (e.g., "5" @ $5 is too ridiculously
expensive). OTOH, I only need 1K for prototyping so I don't want
to have to purchase in quantities best expressed "by weight"!
(e.g., 1M)

KLS elecetronic, no price until you open an account... seems to
require a fax number.

http://www.klsele.com/search/110

--
Jasen.

 

[Robert Baer]

Don Y wrote:

Any suppliers I should try for something along the lines of:

https://www.amazon.com/S110D-4-Connecting-Blocks-Punchdown-Solder/dp/B06ZYRT9C5


I'd be amenable to an SMT version -- but would have to evaluate
it's durability and fab consequences.

Buying in *tiny* quantities (e.g., "5" @ $5 is too ridiculously
expensive).  OTOH, I only need 1K for prototyping so I don't want
to have to purchase in quantities best expressed "by weight"!
(e.g., 1M)
Pair? Looks like five single inline connectors (1 row, NOT 2 rows).

 

[Dan Purgert]

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Robert Baer wrote:

Don Y wrote:
Any suppliers I should try for something along the lines of:

https://www.amazon.com/S110D-4-Connecting-Blocks-Punchdown-Solder/dp/B06ZYRT9C5

Pair? Looks like five single inline connectors (1 row, NOT 2 rows).

The "4-pair" in the description is indicative of how many terminations
each individual plastic block contains -- IIRC they can be found in 2,
3, or 4-pair styles (that is -- 4, 6, or 8 IDC connections in a
single-inline package).

These "4-pair" blocks happen to be rather ubiquitous in networking patch
panels for. I believe the 2&3 pair ones were used in the past with POTS
patch panels; but since "computer networks" have kind of taken over, I
think people these days more tend to just use the 8p8c panels for
everything (and only connect the center pins for POTS service).



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|_|O|_|
|_|_|O| Github: https://github.com/dpurgert
|O|O|O| PGP: 05CA 9A50 3F2E 1335 4DC5 4AEE 8E11 DDF3 1279 A281

 

[Don Y]

On 2/25/2020 5:27 PM, Don Y wrote:

Any suppliers I should try for something along the lines of:

https://www.amazon.com/S110D-4-Connecting-Blocks-Punchdown-Solder/dp/B06ZYRT9C5

I'd be amenable to an SMT version -- but would have to evaluate
it's durability and fab consequences.

Buying in *tiny* quantities (e.g., "5" @ $5 is too ridiculously
expensive). OTOH, I only need 1K for prototyping so I don't want
to have to purchase in quantities best expressed "by weight"!
(e.g., 1M)

Disregard. A colleague saw my post and next-day-aired a (big!)
box of them to me. So, that addresses the prototype build. But,
unfortunately, he didn't include a note indicating where he
*purchases* them (so I can see what alternatives might be
available)! <frown>

(Dude, check your email! And watch for a package *Tuesday*; keep
frozen!)

 

[Don Y]

On 2/26/2020 6:02 AM, Dan Purgert wrote:

These "4-pair" blocks happen to be rather ubiquitous in networking patch
panels for. I believe the 2&3 pair ones were used in the past with POTS
patch panels; but since "computer networks" have kind of taken over, I
think people these days more tend to just use the 8p8c panels for
everything (and only connect the center pins for POTS service).

Patch panels are a common use -- but, they are handy any time you want
to field terminate a cable to a board without solder, "screw terminals"
or having to first affix a mating connector to the cable. They are also
large/robust enough that an end user won't be intimidated trying to mate a
cable to them.

Blocks for patch panel application tend to be color coded (568B, commonly).
[Ideally, I would like NO color coding nor even a "pin one" designation]

The downside is the cable must be largely immobile during use lest the
connection fail. This is usually the case with a patch panel because the
mating patch CORD does all the moving. It may -- or may not -- be true in
other applications (but it is, in mine!)

Also, the supported wire gauge(s) is constrained beyond what might be
possible with other connection techniques.

 

[Dan Purgert]

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Don Y wrote:

On 2/26/2020 6:02 AM, Dan Purgert wrote:
These "4-pair" blocks happen to be rather ubiquitous in networking patch
panels for. I believe the 2&3 pair ones were used in the past with POTS
patch panels; but since "computer networks" have kind of taken over, I
think people these days more tend to just use the 8p8c panels for
everything (and only connect the center pins for POTS service).

Patch panels are a common use -- but, they are handy any time you want
to field terminate a cable to a board without solder, "screw terminals"
or having to first affix a mating connector to the cable. They are also
large/robust enough that an end user won't be intimidated trying to mate a
cable to them.

The comment you quoted was directed to Robert (Bear..? I think?) who
posted MID <lYm5G.158769$gW1.129938@fx03.iad>, which I think was
questioning the listing of "four pair" blocks -- or well, I understood
his post more to be questioning the validity of the post, based on what
the picture showed vs. what he expected by reading the title.

That being said, glad to hear you've already got some on the way

Blocks for patch panel application tend to be color coded (568B,
commonly). [Ideally, I would like NO color coding nor even a "pin one"
designation]

Last set of panels I got only "color-coded" them with stickers above
each pair (and slightly offset - thank you china); although yes, I have
also seen them where they have some markings directly on the plastic
(usually nothing more than a paint dot).

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--
|_|O|_|
|_|_|O| Github: https://github.com/dpurgert
|O|O|O| PGP: 05CA 9A50 3F2E 1335 4DC5 4AEE 8E11 DDF3 1279 A281

 

[Don Y]

On 2/27/2020 5:55 AM, Dan Purgert wrote:

Blocks for patch panel application tend to be color coded (568B,
commonly). [Ideally, I would like NO color coding nor even a "pin one"
designation]

Last set of panels I got only "color-coded" them with stickers above
each pair (and slightly offset - thank you china); although yes, I have
also seen them where they have some markings directly on the plastic
(usually nothing more than a paint dot).

Most of the blocks I've seen have been marked with "blue, orange, green,
brown" -- an obvious tie-in to use with network cabling. Usually, these
are markings (paint) directly on the block -- and often ambiguously
placed (!)

Any marking limits how useful they are for other applications (how do you
terminate 10 connections?) especially when you try to support a wide range
of "users". Adding marking afterwards seems a smarter approach (silkscreen,
manually applied "paint", etc.) despite the possible additional labor.