Re: Devicename for COM1 on Alpha ?

From: Dave Weatherall (djw-nothere_at_nospam.nohow)
Date: 01/26/04 

Date: 26 Jan 2004 06:44:25 GMT

On Sat, 24 Jan 2004 20:43:13 UTC, "Hans Vlems"
<hvlems.nieuw@zonnet.nl> wrote:

>
> "Manfred Grafinger" <m.grafinger@tuwien.ac.at> schreef in bericht
> news:4012a43a.446915039@news.tuwien.ac.at...
> > Hello VMS-Gurus.
> >
> > I have changed the VAX-station, where our plotter was connected to an
> > Alpha. Now i cannot identify the devicename of the COM1. On the Vax
> > the plotter was connected at the serial port device tta0: but on the
> > alpha tta0: goes to nirwana, also ttb0: and i have not any other tt*
> > devices in show device.
> >
> > Somebody out there knows the device name of the COM1 on Alpha-VMS ?
> >
> > Much thanks, Manfred
> >
>
> It very much depends on what model you're actually using. If SHOW DEVICE
> shows TTA0: and TTB0: then it's one of these. The cable you use between
> Alpha and plotter may also be at fault. The DB9 lay-out is not the same as
> on a microVAX II IIRC. A BCC08 cable usually won't work for instance.

Strangely enough, I was going to ask the same question as Manfred, for
exactly the same reason.

I assume the COM ports are wired to IBM-PC standard. I must dig out an
Alphastion 2xx/4 booklet.

Does the same principal apply to server boxes, e.g. DS20'? 

-- 
Cheers - Dave.

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