[Q] Remote serial ports?

[Jens Petersohn <jkp@mccoy.penguinpowered.com>]

Hi all,

I have an application in which it would be useful to have access to
remote serial ports as if they where local ports. 

Machine A has several serial ports on it connected to various
special types of devices in a locked machine room.

Developers on workstation B wants to execute an application that
communicates with the special devices, but can only do so via
/dev/ttySXX. The developer however (for various reasons) cannot
directly log into Machine A.

Is there some software that would allow "remote forwarding" of
serial ports? I.e. a driver that emulates a serial port on
machine B and forwards the read/write/ioctl operations to machine A?
Does this exist? Is it possible to implement if it doesn't?
Am I overlooking something obvious?

Thank you in advance,

Jens Petersohn
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