Thank to Mike Cunningham for his advise.
For Sun Saprc 10, the serial connector A/B by default is A.
I did change /etc/remote
hostname# pmadm -r -p zsmon -s ttya
After that, the tip hardwire works fine.
> Hi ,
> I have problem using tip hardwire.
> I use null modem cable ( 2/3 3/2 7/7) to connect SS10 to SS10 via Serial
> There is only 1 serial port connector ( A/B) on back side of SS10.
> I check the cable and connector, there are all Ok.
> I check serial port status, usind sacadm and pmadm, both ttya & ttyb on
> those two SS10 are Ok.
> I check /etc/remote ,
> From one SS10, I try
> hostname# tip hardwire
> Then nothing displays.
> '~.' works fine, but '~#' does not work.
> I power of the other SS10, disconnect keyboard, turn it on
> On the creen I see : No keyboard, output-device is ttya
> on the first SS10 tip window, nothing displays.
> I reconnect keyboard to the second SS10, setenv output-device ttya.
> I try to use tip hardwire again, power off the second one, turn it on ..
> nothing displays on tip window.
> I try to swap those two SS10, it does not help.
> Could you please advise.
> Thanks in advanced,
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