[rescue] Sun SBus serial cards

[Lionel Peterson]

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