After seeing a message on HPADM that got my mind working, and doing some
digging, I saw that one can telnet to a specific serial port on a DTC,
*without* having a TAC card, by using specific TCP ports numbers mapped to
DTC serial ports.  For instance, telnet mydtc.xxx.yyy 1047 will connect to
port 3 on slot 0.  From there, I would think I should be able to
back-to-back into another DTC port and thereby connect to my hp3000 - the
end result being a single-port telnet server to the 3k.
 
I haven't quite been able to make it work though.  Can anybody offer any
tips on how the two DTC ports should be configured in OVDTCMGR for this to
work?  I assume the cable connecting the two ports should be cross-wired for
null-modem equivalence, right?  Some of my experiments have gotten very
close but failed due to some sort of 'feedback loop' where prompts were
bouncing back upon themselves.
 
TIA.
 
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