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Date:      Wed, 20 Jan 2010 08:46:48 +0200
From:      Marin Atanasov <dnaeon@gmail.com>
To:        Ronald Klop <ronald-freebsd8@klop.yi.org>
Cc:        freebsd-stable@freebsd.org, freebsd-hardware@freebsd.org
Subject:   Re: Multiple serial consoles via null modem cable
Message-ID:  <717f7a3e1001192246o4dce4a82q57c05ff3f41b5feb@mail.gmail.com>
In-Reply-To: <op.u6oij7dz8527sy@212-123-145-58.ip.telfort.nl>
References:  <717f7a3e1001120714m37aada69gfaa35f0f9b17f435@mail.gmail.com> <44678539@bb.ipt.ru> <717f7a3e1001142234y1de7ae15x6853e3ddcab4add9@mail.gmail.com> <op.u6oij7dz8527sy@212-123-145-58.ip.telfort.nl>

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Hello,

Using `cu' only works with COM1 for me.

Currently I have two serial ports on the system, and only the first is able
to make the connection - the serial consoles are enabled in /etc/tty, but as
I said only COM1 is able to make the connection.

Regards,
Marin

On Sun, Jan 17, 2010 at 3:32 PM, Ronald Klop <ronald-freebsd8@klop.yi.org>wrote:

> On Fri, 15 Jan 2010 07:34:17 +0100, Marin Atanasov <dnaeon@gmail.com>
> wrote:
>
>  Thank you a lot for your feedback!
>>
>> Now to the real question again, because I'm a little confused now - can I
>> still get a usb-to-serial port converter having let's say 8 serial ports
>> and
>> then connect each machine to the usb-to-serial hub and manage them
>> remotely
>> from a single location (the host having the usb-to-serial hub)? That way I
>> just specify a serial port number and I get to a specific machine?
>>
>> The model provided by Boris looks nice, and that was my initial idea, but
>> I'm not sure if I could get it working under FreeBSD. Is conserver or
>> conserver-com able to handle this? I know that cu uses COM1 only, but will
>> conserver able to handle serial consoles on different ports, since the
>> usb-to-serial port would appear as multiple serial ports.
>>
>
> You can provide cu with the port to connect to on the command line.
>
> cu -l cuaU0 -s 115200
> cu -l cuaU1 -s 115200
> etc.
>
> You can not connect several servers on 1 serial port, but you can connect
> several servers on several serial ports. With serial-over-usb it scales to
> many serial ports.
>
> Ronald.
>
>
>
>
>> Thank you and regards,
>> Marin
>>
>>
>> On Tue, Jan 12, 2010 at 7:04 PM, Boris Samorodov <bsam@ipt.ru> wrote:
>>
>>  On Tue, 12 Jan 2010 17:14:44 +0200 Marin Atanasov wrote:
>>>
>>> > I'm thinking about the following situation - 1 system acting like a
>>> host
>>> > with a serial port hub, each port of the hub is connected to a
>>> different
>>> > machine on sio0, using null modem cables.
>>>
>>> Along with milti-io serial cards we use multi-usb serial
>>> converters, such as SUNIX UTS7009P (7 USB to serial adapter):
>>> http://www.sunix.com.tw/it/en/LinkCraft/UTS4009P_UTS7009P.htm
>>>
>>> --
>>> WBR, Boris Samorodov (bsam)
>>> Research Engineer, http://www.ipt.ru Telephone & Internet SP
>>> FreeBSD Committer, http://www.FreeBSD.org The Power To Serve
>>>
>>>
>>
>>
>>
>


-- 
Marin Atanasov Nikolov
dnaeon AT gmail DOT com
daemon AT unix-heaven DOT org



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