On 6/28/23 12:13 AM, Fred Cisin wrote:
It is sometimes caalled that.
;-)
With many boxes of used cables, often there will be cables that are
DB-25, but with 16 pins missing in the 25 pin connector, often leaving
pins 1-8 and 20, and gaps where other pins could have been.. I call
THAT a
On 6/28/23 8:48 AM, Tony Duell wrote:
I was being a bit of a smart alec too.
I'm glad that I was / you were / we are as I think this is shaping up to
be another very interesting thread where I learn a lot of minutia that I
wouldn't otherwise learn.
#todayIlearned :-D
> Not necessarily a DEC thing. TEMPEST PC's (and other TEMPEST boxes like
> fiber
>
> ethernet transceivers) also had screw connectors rather than the spring
> clip ones.
It's semi-common on random old stuff, yeah. I've got a Cisco IGS that uses
jackscrews, and have had a pretty good number of
13:19
To: cctalk@classiccmp.org
Cc: Paul Koning
Subject: [cctalk] Re: Need AUI cable
> On Jun 28, 2023, at 1:13 AM, Fred Cisin via cctalk
> wrote:
>
> DA, DC, DE connectors are a different size D shell than the DB, which is the
> one commonly used for a 25 pin cable.
T
On 6/28/2023 8:23 AM, Chris Zach via cctalk wrote:
Meanwhile, on AUI cables: the difficulty with plugging a transceiver
into the Pro is that the Pro uses regular nuts, for a plug that
secures by screws. That's non-standard, since the AUI spec calls for
the "turret" and sliding latch type.
> On Jun 28, 2023, at 8:23 AM, Chris Zach via cctalk
> wrote:
>
>
>> Meanwhile, on AUI cables: the difficulty with plugging a transceiver into
>> the Pro is that the Pro uses regular nuts, for a plug that secures by
>> screws. That's non-standard, since the AUI spec calls for the
On Wed, Jun 28, 2023 at 5:02 PM Chris Zach via cctalk
wrote:
> Yup, it's a DEC thing, however the DEQNA cab kits do the proper cam and
> lock interface. I thought about removing the nuts, but went with
> ordering a cable and I'll pull the studs off it to make it work. Sub
> optimal but that is
Meanwhile, on AUI cables: the difficulty with plugging a transceiver into the Pro is that
the Pro uses regular nuts, for a plug that secures by screws. That's non-standard, since
the AUI spec calls for the "turret" and sliding latch type. So a standard AUI
cable wouldn't be a real cure
On 6/28/23 09:40, Paul Koning via cctalk wrote:
On Jun 28, 2023, at 9:48 AM, Tony Duell via cctalk
wrote:
On Wed, Jun 28, 2023 at 6:00 AM Grant Taylor via cctalk
wrote:
Tony's email makes me ask more questions than I have (smart alack)
answers to. Maybe ~> hopefully I can ~> will learn
Keep in mind that a Pro does not accept a real AUI cable. It takes a cable
with an AUI connector (slide lock type) at the transceiver end, but a DA-15
connector with the conventional screw fasteners as you'd find on a serial port
for the computer end. If you try a real AUI cable you're right
> On Jun 28, 2023, at 9:48 AM, Tony Duell via cctalk
> wrote:
>
> On Wed, Jun 28, 2023 at 6:00 AM Grant Taylor via cctalk
> wrote:
>>
>> Tony's email makes me ask more questions than I have (smart alack)
>> answers to. Maybe ~> hopefully I can ~> will learn something.
>
> I was being a
I have a real DEC AUI cable and live in MD. I think it is 10 feet long.
Doug
On 6/27/2023 9:16 PM, Chris Zach via cctalk wrote:
Anyone in MD got an AUI cable (few feet long) I can steal so I don't
have to remove the bolts from the Pro/380's Ethernet socket or the
pins on my 10bt ethernet MAU?
> On Jun 28, 2023, at 9:56 AM, Jonathan Chapman via cctalk
> wrote:
>
> ...
>> If you want to link 2 transceivers together on the AUI side then
>> that's a network bridge. Even a basc one is quite a lot of
>> electronics.
>
> DEC's full wirespeed bridge was supposedly considered something
> There is no real equivalent of an 'AUI null modem cable' (should that
> be 'null transceiver cable'?)
>
> If you want to link 2 computer-type ports together you need the
> equiavelent of 2 transceivers.
This (or devices like it) is probably the only single-piece two station "null
modem
On Wed, Jun 28, 2023 at 2:44 PM Jonathan Chapman via cctalk
wrote:
>
> > For a few inches, which would be enough here I think, I've used an IDC
> > DA15 plug and socket crimped onto the normal ribbon cable. Technically
> > it's wrong but the reflections on that length of cable won't matter.
>
>
On Wed, Jun 28, 2023 at 6:00 AM Grant Taylor via cctalk
wrote:
>
> Tony's email makes me ask more questions than I have (smart alack)
> answers to. Maybe ~> hopefully I can ~> will learn something.
I was being a bit of a smart alec too. The point I was making is that
a bit of normal IDC ribbon
> There is also DD, though I've never seen one in the wild.
Old SCSI uses DD-50. I've also seen it used on Pertec tape controllers and
multiport serial cards.
Thanks,
Jonathan
> For a few inches, which would be enough here I think, I've used an IDC
> DA15 plug and socket crimped onto the normal ribbon cable. Technically
> it's wrong but the reflections on that length of cable won't matter.
That's how Sun VME Ethernet boards are set up, the board itself is way back
On Wed, Jun 28, 2023 at 6:13 AM Fred Cisin via cctalk
wrote:
> With many boxes of used cables, often there will be cables that are DB-25,
> but with 16 pins missing in the 25 pin connector, often leaving pins 1-8
> and 20, and gaps where other pins could have been.. I call THAT a DB-9
>
The
On Wed, Jun 28, 2023 at 1:19 PM Paul Koning via cctalk
wrote:
>
>
>
> > On Jun 28, 2023, at 1:13 AM, Fred Cisin via cctalk
> > wrote:
> >
> > DA, DC, DE connectors are a different size D shell than the DB, which is
> > the one commonly used for a 25 pin cable.
>
> There is also DD, though I've
I probably have one here in Landenberg which is on the PA side of the MD/PA
border if you can find no other sources. Not in front of me to verify, but
I think I have three plastic bins of them along with related parts.
Bill
On Wed, Jun 28, 2023, 8:19 AM Paul Koning via cctalk
wrote:
>
>
> > On
> On Jun 28, 2023, at 1:00 AM, Grant Taylor via cctalk
> wrote:
>
> Tony's email makes me ask more questions than I have (smart alack) answers
> to. Maybe ~> hopefully I can ~> will learn something.
>
> On 6/27/23 10:26 PM, Tony Duell wrote:
>> For a few inches, which would be enough here
> On Jun 28, 2023, at 1:13 AM, Fred Cisin via cctalk
> wrote:
>
> DA, DC, DE connectors are a different size D shell than the DB, which is the
> one commonly used for a 25 pin cable.
There is also DD, though I've never seen one in the wild. DA is the shell for
AUI connectors, DC is used
If we're being pedantic ;-)
Since you asked for it, the PC joystick connector was a DA-15;
the PC VGA connector was a DE-15.
On Tue, 27 Jun 2023, Grant Taylor via cctalk wrote:
Wasn't PC VGA considered a /High/ /Density/ DE-15?
It is sometimes caalled that.
A DB-9 was a 25 pin
Tony's email makes me ask more questions than I have (smart alack)
answers to. Maybe ~> hopefully I can ~> will learn something.
On 6/27/23 10:26 PM, Tony Duell wrote:
For a few inches, which would be enough here I think, I've used an IDC
DA15 plug and socket crimped onto the normal ribbon
If we're being pedantic ;-)
On 6/27/23 9:35 PM, Fred Cisin wrote:
Since you asked for it, the PC joystick connector was a DA-15;
the PC VGA connector was a DE-15.
Wasn't PC VGA considered a /High/ /Density/ DE-15?
A DB-9 was a 25 pin connector (often serial), and often with pins 1-8
and
On Wed, Jun 28, 2023 at 2:17 AM Chris Zach via cctalk
wrote:
>
> Anyone in MD got an AUI cable (few feet long) I can steal so I don't
> have to remove the bolts from the Pro/380's Ethernet socket or the pins
> on my 10bt ethernet MAU?
For a few inches, which would be enough here I think, I've
On Tue, 27 Jun 2023, Cameron Kaiser via cctalk wrote:
Anyone in MD got an AUI cable (few feet long) I can steal so I don't have to
remove the bolts from the Pro/380's Ethernet socket or the pins on my 10bt
ethernet MAU?
I just cheat and use a straight through DB-15 (waiting for someone to
These are my go-to for short ones:
https://www.ebay.com/itm/233295839501
Not affiliated with seller, just a satisfied customer.
Thanks,
Jonathan
--- Original Message ---
On Tuesday, June 27th, 2023 at 21:16, Chris Zach via cctalk
wrote:
>
>
> Anyone in MD got an AUI cable (few
> Anyone in MD got an AUI cable (few feet long) I can steal so I don't have to
> remove the bolts from the Pro/380's Ethernet socket or the pins on my 10bt
> ethernet MAU?
I just cheat and use a straight through DB-15 (waiting for someone to tell me
it's a DQ-15 or something instead ;), like a PC
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