[rescue] Sun SBus serial cards

Dave McGuire mcguire at neurotica.com
Fri Jul 14 14:43:37 EDT 2023


   Thanks!

        -Dave

On 7/14/23 14:26, Lionel Peterson wrote:
> Duly noted, I'll mark it as such once I lay hands on it
> 
> Ken
> 
>> On Jul 14, 2023, at 13:20, Dave McGuire via rescue <rescue at sunhelp.org> wrote:
>>
>> 
>>   If that's a PM2E, I'll take it for LSSM, unless Mark needs it.
>>
>>              -Dave
>>
>>> On 7/14/23 13:59, Lionel Peterson via rescue wrote:
>>> I posses (but may not be able to quickly access) a port master terminal server, likely 30 ports (it was a big box), would that be of interest? I'd make it available to you (or any list member) for actual shipping.
>>> But, what really caught my eye was your mention of 'dial up' - please tell me you want external dial-up modems, I have a cache of them that need to find new homes...  Anyone? They are just various models of serial modems, nothing serious/not ISP-grade multi-modem rack shelf's or anything.
>>> Ken
>>>>> On Jul 14, 2023, at 09:43, Dave McGuire via rescue <rescue at sunhelp.org> wrote:
>>>>
>>>> 
>>>>   It would definitely work; that's essentially what the AS5200 was designed to do.  We did it with a great many of them at Digex.
>>>>
>>>>            -Dave
>>>>
>>>>> On 7/14/23 10:38, Patrick Giagnocavo via rescue wrote:
>>>>> Have you considered using a separate device like the Cisco AS5200 series, to handle the modems?  Then, just go over Ethernet to the Sparcstation - I think that would work?
>>>>> Cordially
>>>>> Patrick
>>>>> On Thu, Jul 13, 2023 at 9:15 PM Mark Price via rescue <rescue at sunhelp.org <mailto:rescue at sunhelp.org>> wrote:
>>>>>     Hi Doug,
>>>>>         So, you need more async serial ports than the two that came on
>>>>>         the system?
>>>>>     Yes, I'm starting an ISP with dial-in modems, and I currently just
>>>>>     have a Sparcstation.
>>>>>         Most likely the listing you found was for a Sun HSI card, which
>>>>>         in general was
>>>>>         synch serial for supportint X.25 connections. Probably not what
>>>>>         you are looking for,
>>>>>         but was very common so there are lots out there.
>>>>>         There was the SAI (Serial-Async) card, but I had never seen one
>>>>>         in the wild.
>>>>>     I think you're right, I found the manual for the Sun HSI card, and
>>>>>     it can't speak "low speed" serial RS-232.
>>>>>         What most people did needing more async serial ports than 2 was
>>>>>         to run a terminal server
>>>>>         box over the network, such as the Xylogics or Cisco ones.
>>>>>         We had some MicroAnnex XL Xylogics boxes (8 or 16 ports).
>>>>>         Connect up a bunch of modems into the MicroAnnexXL box, and then
>>>>>         they could be setup to telnet/rsh into the Sun box automatically
>>>>>         when dialed into
>>>>>         once the user authenticated via whatever method (probably RADIUS).
>>>>>     Thanks for the tip, I'll check into Xylogics.. I actually have a
>>>>>     Xyplex terminal server, but it has been a total pain to work with.     I know Cisco had the AS5300 with digital modems, but I'm not
>>>>>     familiar with their other terminal server options, I'll check it out.
>>>>>     Mark
>>>>>     _______________________________________________
>>>>>     rescue list - http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org
>>>>>     <http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org>
>>>>> _______________________________________________
>>>>> rescue list - http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org
>>>>
>>>> -- 
>>>> Dave McGuire, AK4HZ
>>>> New Kensington, PA
>>>>
>>>>
>>>> _______________________________________________
>>>> rescue list - http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org
>>> _______________________________________________
>>> rescue list - http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org
>>
>> -- 
>> Dave McGuire, AK4HZ
>> New Kensington, PA
>>
>>
>> _______________________________________________
>> rescue list - http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org

-- 
Dave McGuire, AK4HZ
New Kensington, PA




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