[rescue] Sun SBus serial cards

[Dave McGuire]

   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
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>>
>> -- 
>> Dave McGuire, AK4HZ
>> New Kensington, PA
>>
>>
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> 
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-- 
Dave McGuire, AK4HZ
New Kensington, PA