Article View: comp.sys.ibm.pc.programmer
Article #182Re: Need to get a PC talking DDCMP
From: Paul Koning
Date: Mon, 26 Mar 1990 23:05
Date: Mon, 26 Mar 1990 23:05
23 lines
1434 bytes
1434 bytes
In article <26877@siemens.siemens.com>, jrv@demon.siemens.com (James R
Vallino) writes:
>
> I have the task of getting my PC connected to an old PUMA robot controller.
> The supervisory host connection uses a serial connection and the DDCMP
> protocol. I would appreciate a lead to an implementation of this protocol
> on a PC. Free or for cold cash doesn't matter. I just don't want to write
> some more communications code if I can avoid it.
DECnet/DOS supports DDCMP, though the direct ("raw") interface to the DDCMP
routines is undocumented.
> Also, where can I get a description of the protocol? Is it buried in some
> documentation from DEC or is there another reference available?
The protocol spec is a published document (no hairy restrictions on its
availability,
same as we do in general with DECnet specs). The order number is AA-K175A-TK,
"DNA Digital Data Communications Message Protocol (DDCMP) Functional
Specification".
paul koning
Technical Details
Message-ID:
<9632@shlump.nac.dec.com>Path:
arc1-ca.pugleaf.net!utzoo!attcan!uunet!tut.cis.ohio-state.edu!ucbvax!decwrl!shlump.nac.dec.com!koning.dec.com!koningReferences:
<26877@siemens.siemens.com>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!tut.cis.ohio-state.edu!ucbvax!decwrl!shlump.nac.dec.com!koning.dec.com!koning From: koning@koning.dec.com (Paul Koning) Newsgroups: comp.sys.ibm.pc.programmer Subject: Re: Need to get a PC talking DDCMP Message-ID: <9632@shlump.nac.dec.com> Date: 26 Mar 90 23:05:34 GMT References: <26877@siemens.siemens.com> Sender: newsdaemon@shlump.nac.dec.com Organization: DEC -- Distributed systems architecture Lines: 23