OK so we are definitely in -232 land as I was using the 3-pin ATP connector,
not the 5-pin one.
Well that's one variable out of the way :)
On Wed, Mar 23, 2011 at 5:28 PM, Jack Connor <[log in to unmask]>wrote:
> As I remember, Mark, 422 is 5 wire with xmit/rcv loops.
> jack
>
> -----Original Message-----
> From: HP-3000 Systems Discussion [mailto:[log in to unmask]] On Behalf
> Of Mark Landin
> Sent: Wednesday, March 23, 2011 6:25 PM
> To: [log in to unmask]
> Subject: Re: [HP3000-L] Cabling question: ATP to DB-9
>
> Ok thanks. We'll try that!
>
> Now, I am seeing that this printer can run with the RS-232 or RS-422
> protocols. Is there a way to tell how mine is configured right now?
> Something on the printer itself? Something i can see on the port definition
> on the DTC? Would there be a problem with going just straight -232 instead
> of 422? (I wish we could find our manual for this beast, but alas...)
>
> On Wed, Mar 23, 2011 at 5:22 PM, michael <[log in to unmask]> wrote:
>
> > On DB9, I think it is 3,2, and 5.
> > On DB25 is it 2,3, and 7.
> >
> > Both in the order of Transmit, Receive, and Ground.
> >
> > -Mike.
> >
> >
> >
> > On 03/23/2011 05:16 PM, Denys Beauchemin wrote:
> >
> >> 2, 3, 7.
> >>
> >> -----Original Message-----
> >> From: HP-3000 Systems Discussion [mailto:[log in to unmask]] On
> >> Behalf Of Mark Landin
> >> Sent: Wednesday, March 23, 2011 4:07 PM
> >> To: [log in to unmask]
> >> Subject: [HP3000-L] Cabling question: ATP to DB-9
> >>
> >> We have an LPQ 1200 connected to a DTC48 via the 3-pin ATP connector.
> For
> >> reasons I don't want to get into here (because I want to avoid the
> >> situation
> >> where everyone, with the best of intentions of course, will try to talk
> me
> >> out of it!) I need to replace this ATP connector with a DB9 connector.
> >> (Trust me, this is the way we want to go)
> >>
> >> So, Pins 1, 2, and 3 for the ATP should map to which pins on a DB9?
> >> ATP 1 -> DB9 ??
> >> ATP 2 -> DB9 ??
> >> ATP 3 -> DB9 ??
> >>
> >>
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> >
>
>
>
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