<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Helvetica Neue'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; ">On 7 Jun 2013, at 2:58 PM, <<a href="mailto:simh-request@trailing-edge.com">simh-request@trailing-edge.com</a>> <<a href="mailto:simh-request@trailing-edge.com">simh-request@trailing-edge.com</a>> wrote:</span></div><div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: 'Helvetica Neue'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="font-family: monospace; ">------------------------------<br><br>Message: 2<br>Date: Fri, 07 Jun 2013 17:58:40 -0400<br>From: Timothe Litt <<a href="mailto:litt@ieee.org">litt@ieee.org</a>><br>To: Mark Pizzolato - Info Comm <<a href="mailto:Mark@infocomm.com">Mark@infocomm.com</a>>,<br><span class="Apple-tab-span" style="white-space: pre; "> </span>"<a href="mailto:simh@trailing-edge.com">simh@trailing-edge.com</a>" <<a href="mailto:simh@trailing-edge.com">simh@trailing-edge.com</a>><br>Subject: Re: [Simh] PDP-10 simulator with DMR/KDP support?<br>Message-ID: <<a href="mailto:51B25790.50804@ieee.org">51B25790.50804@ieee.org</a>><br>Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"<br><br><blockquote type="cite"><blockquote type="cite">I don't think the DUP11 was ever a supported device on VMS.<br></blockquote></blockquote><br>Yes, it was. See<span class="Apple-converted-space"> </span><a href="http://h71000.www7.hp.com/doc/spddecnetplusvax73.pdf">http://h71000.www7.hp.com/doc/spddecnetplusvax73.pdf</a><span class="Apple-converted-space"> </span><br>page 13 table 2. DUP wasn't added in 7.3; it would have been there all<span class="Apple-converted-space"> </span><br>along. This was just the first SPD I grabbed. There were also sync<span class="Apple-converted-space"> </span><br>line adapters for Microvax - I have one here, I think. DSW4{1,2,3}. <br>And QBus (DPV/DSV, BI (DMB/DSB). Gory details in the SPD.<br><br>You needed the WAN Drivers layered product, though.<br><blockquote type="cite">The DUP11 is supported on a VAXBI system fitted<br></blockquote><blockquote type="cite">with a DWBUA UNIBUS adapter for VAX 8200, VAX<br></blockquote><blockquote type="cite">8250, VAX 8300, VAX 8300, VAX 8350, VAX 8500,<br></blockquote><blockquote type="cite">VAX 8530, VAX 8550, VAX 8700, and VAX 8800 systems only<br></blockquote><br>(Oddly, I didn't see DMC/DMR listed, but I do remember them working...)<br><br></span></span></blockquote><div><br></div>We ran DMRs between our VAX-11/780 and PDP-11/70 RSX-11M-Plus -- predating DECnet Phase IV. (Wasn't Phase IV the first release that supported Ethernet?) I remember doing poor-man's routing from the VAX through the 11/70 to an LSI-11/23 in a lab (over a DZ-11 async serial line!).</div><div><br></div><div>My recollection is that DECnet always used DDCMP over serial lines. I thought the DMR did the DDCMP protocol in hardware. Maybe DMZ's too?</div><div><br><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: 'Helvetica Neue'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="font-family: monospace; ">Yes, Phase V supported DDCMP as a transport layer. No version change.<br></span></span></blockquote></div><br><div>Larry Baker<br>US Geological Survey<br>650-329-5608<br><a href="mailto:baker@usgs.gov">baker@usgs.gov</a><br><br></div></body></html>