HP3000-L Archives

June 2007, Week 1

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Matthew Perdue <[log in to unmask]>
Reply To:
Matthew Perdue <[log in to unmask]>
Date:
Mon, 4 Jun 2007 03:34:00 -0500
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The first question to ask: is the system still running and just the console
(physical piece of equipment) dead or is the entire system locked up, along the
lines of a silent halt? If the latter, file the following for future reference.

You can use hyperterminal if someone at the site can get a cable from a pc's
serial port (com1 or com2) to the serial port of the 3000's console, and they
may have to do some changes to swap the transmit/receive wires. For example,
transmit on the pc must go to receive on the 3K, likewise receive on the pc
must connect to transmit on the 3k. If memory serves the RS232 pins 2,3 and 7
must be used (pin 7 is ground, pin 2 transmit, pin 3 receive). You'll have to
set hyperterminal to the correct com port, speed (usually 9600) and parity
(usually none).

If you happen to have a Linux box in the remote machine room and a cable that
can go from it's serial port (again, com1 or com2) to the 3K's serial port, you
can run or get from the Internet and run a program that will through software
handle the switch of transmit/receive. Memory and a search of an older Linux
box isn't producing the name, but search on sourceforge in categories and you
should find something.

I've also used a cable from a laptop's serial port (com1) to the 3K's RS232
console port and used Reflection, setting it up to consider com1 as a serial
port, 9600 baud, etc. and had that work fine. Works great to save console logs
too.

Quoting john pitman <[log in to unmask]>:

>We have a dead console at a remote site...does anybody have experience of
>working around this situation via pc hyperterminal or similar please?
>
>tia
>
>john

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