Re: [mh] Multi-Serial Boards on Ubuntu

[Andy M. <myi...@st...>]

  I use a handful of USB to serial adapters, too. One really nice 
feature of this approach is that lots of adapters have built-in serial 
numbers.

  Under Linux you can use udev to automatically assign names to the 
adapters as you plug them in. Then when you unplug cables from the back 
of your computer you just keep the adapter connected to the cable. When 
the cable is plugged back in (with it's adapter) it is assigned it's 
correct name. So it doesn't matter what order or which USB port is used 
to plug in your equipment. No more carefully matching cables to the 
correct RS232 socket.

Andy.

Jim Serack wrote:
> There is another approach to multi serial ports - multi serial to USB
> adaptors on a hub.
> I picked up my serial to usb adaptors at $9 each on sale - works fine under
> the linux I have.
>
> I think you do have to watch for the type of chip in the convertor.
>
> I'm not saying it's better or cheaper that the multi-port serial card just
> another option to consider. Also you don't need to pay for more serial ports
> than what you need. (3, 5, etc)
>
>
> -----Original Message-----
> From: mis...@li...
> [mailto:mis...@li...] On Behalf Of Gary
> Sanders
> Sent: March 5, 2008 12:36 PM
> To: MisterHouse Mailing List
> Subject: [mh] Multi-Serial Boards on Ubuntu
>
>
> It's been said on occasion that I'm an old fart that hates change. I'm 
> still running MH 2.99 on an XP box(Why? Because it's dead reliable, 
> believe it or not!), but I think it's time to install something a bit 
> newer, to take advantage of the numerous changes since 2.99.
>
> Part of the cost of being an old fart is that some of my hardware was 
> used on the navigation system of the Mayflower for it's trans-Atlantic 
> voyage. For example, I have a Digi Acceleport 8r 920 8 port Serial 
> board, that I use on the XP box. Even though it apparently is still 
> being sold by Digi, new linux drivers haven't been made available since 
> 2006. So, even though my plans were to use a linux box for the server, 
> I'd have to use a distro circa 2006 in order to use the Digi board. That 
> doesn't seem to be a great plan to me, given the continuous advancements 
> in the linux world.
>
> So, what are people using for multi-serial-port solutions on newer linux 
> installs? I'd like to have 8 additional ports, plus the 2 com ports on 
> the box. I'd settle for 4 additional ports. As usual, cost is _always_ a 
> consideration.
>
> I considered just installing a newer MH distro on the XP box, since the 
> Digi drivers are included in XP, but I also use Asterisk on a separate 
> box, and I want to consolidate it into the same box as MH, thus doing my 
> part for global warming (and my wallet).
>
> Another consideration was to install VirtualBox on the XP box, and run 
> linux in it for Asterisk. As an experiment, I installed Ubuntu 7.10 
> under VirtualBox, running on an XP P4 2.66 GB machine, and it ran fine, 
> but if something ever felt basically WRONG it was this! I'd do it the 
> other way (i.e. Ubuntu as the server, with VirtualBox running XP), in a 
> heartbeat, but I'd be back to the original problem - no drivers for the 
> Digi multiport board.
>
> What to do, what to do..........
>
>
> Gary Sanders
>
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