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Groups > linux.debian.user > #196325

Re: USB "null modem" cables and related Linux driver questions

From Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups linux.debian.user
Subject Re: USB "null modem" cables and related Linux driver questions
Date 2018-06-01 14:30 +0200
Message-ID <vVRlT-1pK-3@gated-at.bofh.it> (permalink)
References <vVwKt-6hp-9@gated-at.bofh.it> <vVIBX-4SU-1@gated-at.bofh.it> <vVPtL-kr-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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>> In some cases one of the two computers's USB port is an "OTG" port,
>> meaning that it can act either as "master" or not, in which case you can
>> just use a regular USB cable (and usually you then configure the OTG
>> side to pretend it's a network card, so it ends up looking to the
>> software like you've connected the two machines via an ethernet cable.
>> That's what I use between my BananaPi "router" and my office desktop).
>
> I saw it and it meets most (all?) my requirements except my reading
> suggested:
>   1. obsolete
>   2. available only for Windows/Mac
>   3. no way to determine if any of machines were equipped

Not obsolete at all.
Availability has nothing to do with the OS (I never use either of macOS
or Windows).

But yes, OTG rare (read: non-existing) on laptops/desktops.
They're very common on "embedded systems" which are expected to be
(occasionally) plugged into a computer.  E.g. many phones's USB port
is OTG.

>> If none of that are options, you can resort to using an "ethernet
>> dongle" on both sides and an ethernet cable between the two.
> That's a 1 versus 3 items required per connection.

I just gave you alternatives.  You'll let you decide what's better for
your planned use cases.


        Stefan

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Thread

USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-05-31 16:30 +0200
  Re: USB "null modem" cables and related Linux driver questions Reco <recoverym4n@gmail.com> - 2018-05-31 16:50 +0200
  Re: USB "null modem" cables and related Linux driver questions Dan Ritter <dsr@randomstring.org> - 2018-05-31 18:10 +0200
    Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 11:50 +0200
  Re: USB "null modem" cables and related Linux driver questions David Wright <deblis@lionunicorn.co.uk> - 2018-06-01 02:00 +0200
    Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 12:00 +0200
      Re: USB "null modem" cables and related Linux driver questions <tomas@tuxteam.de> - 2018-06-01 12:30 +0200
        Re: USB "null modem" cables and related Linux driver questions Stefan Monnier <monnier@iro.umontreal.ca> - 2018-06-01 14:30 +0200
          Re: USB "null modem" cables and related Linux driver questions <tomas@tuxteam.de> - 2018-06-01 15:30 +0200
            Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 16:10 +0200
              Re: USB "null modem" cables and related Linux driver questions David Wright <deblis@lionunicorn.co.uk> - 2018-06-02 06:50 +0200
              Re: USB "null modem" cables and related Linux driver questions Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2018-06-07 06:50 +0200
                Re: USB "null modem" cables and related Linux driver questions Curt <curty@free.fr> - 2018-06-07 11:00 +0200
      Re: USB "null modem" cables and related Linux driver questions Michael Stone <mstone@debian.org> - 2018-06-01 16:10 +0200
        Re: USB "null modem" cables and related Linux driver questions Joe <joe@jretrading.com> - 2018-06-01 19:40 +0200
        Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 21:20 +0200
          Re: USB "null modem" cables and related Linux driver questions Andy Smith <andy@strugglers.net> - 2018-06-01 23:10 +0200
          Re: USB "null modem" cables and related Linux driver questions Michael Stone <mstone@debian.org> - 2018-06-02 02:50 +0200
  Re: USB "null modem" cables and related Linux driver questions Stefan Monnier <monnier@iro.umontreal.ca> - 2018-06-01 05:10 +0200
    Re: USB "null modem" cables and related Linux driver questions Stefan Monnier <monnier@iro.umontreal.ca> - 2018-06-01 05:20 +0200
    Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 12:30 +0200
      Re: USB "null modem" cables and related Linux driver questions Stefan Monnier <monnier@iro.umontreal.ca> - 2018-06-01 14:30 +0200
      Re: USB "null modem" cables and related Linux driver questions Gene Heskett <gheskett@shentel.net> - 2018-06-01 19:40 +0200
  Re: USB "null modem" cables and related Linux driver questions deloptes <deloptes@gmail.com> - 2018-06-01 08:30 +0200
    Re: USB "null modem" cables and related Linux driver questions <tomas@tuxteam.de> - 2018-06-01 10:30 +0200
    Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-01 12:30 +0200
      Re: USB "null modem" cables and related Linux driver questions David Wright <deblis@lionunicorn.co.uk> - 2018-06-01 16:20 +0200
  Re: USB "null modem" cables and related Linux driver questions Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2018-06-07 06:50 +0200
    Re: USB "null modem" cables and related Linux driver questions Tixy <tixy@yxit.co.uk> - 2018-06-07 09:10 +0200
      Re: USB "null modem" cables and related Linux driver questions Michael Stone <mstone@debian.org> - 2018-06-07 14:40 +0200
  Re: USB "null modem" cables and related Linux driver questions David <bouncingcats@gmail.com> - 2018-06-18 14:20 +0200
    Re: USB "null modem" cables and related Linux driver questions Michael Stone <mstone@debian.org> - 2018-06-18 14:50 +0200
      Re: USB "null modem" cables and related Linux driver questions rhkramer@gmail.com - 2018-06-18 16:00 +0200
    Re: USB "null modem" cables and related Linux driver questions Richard Owlett <rowlett@cloud85.net> - 2018-06-18 15:40 +0200

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