How to disable BRK signal?

[Tom Gorodecki]

Hello ,
On Sun-4/280 with console on ttya a brk signal is used
as an escape character to PROM prompt . This is very 
inconvenient , because turning the console off or
disconnecting the RS232 wire brings the system down.

I tried to connect few pins on the RS232 cable but without 
success.
How can i disable the brk signal (by software or hardware )?
Thanks in advance
Tom.


-- 
Gorodecki Tom.  National Semiconductor (IC)
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