[Nml-wg] More UML....

[Jeroen van der Ham]

Freek Dijkstra wrote:
>>> MUST be of different devices.
> 
> This is incorrect -- you may connect two ends of a fiber to the same 
> device. Why anyone would want to do that is a different matter, but it 
> is possible. The underlying idea is correct though.

My mistake, for Link we indeed decided that it was possible to have a
loopback link. However, for Crossconnect we did agree that it must be in
the same device.