remote serial console (IP to Serial)

Owen DeLong owen at
Tue Mar 8 16:43:42 UTC 2016

Serial port on the PI is TTL, so you’ll need some level shifters and/or
ideally some opto-isolators or buffers to do a proper implementation.


> On Mar 8, 2016, at 08:32 , greg whynott <greg.whynott at> wrote:
> Thanks to all who responded to me,  quite the flood of suggestions and
> options.
> Found a lot of 20 Digi CM32's on ebay for 35 dollars each,  overkill but
> can't beat the price,  going to look into those to make sure they are still
> able to get OS updates.  There will be no firewall in front of this device
> so it should have one itself.
> I like the raspberry pi idea...  Would ensure perpetual security updates
> with the OS running on it,  whereas I'm sure some of the vendors of
> commercial console products EOL support at some point.  The fact it runs
> linux is inviting as we can add it to our monitoring systems.
> have a great day,
> greg
> On Tue, Mar 8, 2016 at 10:33 AM, Christopher Morrow <morrowc.lists at
>> wrote:
>> for singular serial .. there are many, do you want something that's
>> "appliance" or are you willing to deploy 18 raspnberry-pi-like
>> thingies?
>> On Tue, Mar 8, 2016 at 10:30 AM, greg whynott <greg.whynott at>
>> wrote:
>>> Recently I have taking over the responsibility of managing about 18
>> remote
>>> routers and firewalls.   None of these have a console port for 'out of
>>> band' access accessible today.
>>> Most sites has available IPs between the ISP and us (typically a /29) or
>> a
>>> backup DSL connection available for use.     I'd like to purchase a IP to
>>> Serial port device I can use for each location in the event I lock myself
>>> out.   The requirement would be an Ethernet port,  a serial port,  and
>> SSH.
>>> Anyone have any recommendations on something like this?
>>> thanks much,
>>> greg

More information about the NANOG mailing list