[c-nsp] Serial is reset, line protocol is down

[Eric Kagan]

> We have one router on which we have "Serial is reset, line 
> protocol is down" when I do the command show interface. If 
> someone can help us, what we have to do resolve the problem. 
> When we change the slot it is always the same. We have also 
> disconnected cable but no change.
> 
>  
What type of serial card - a controller ?  A part # would help.

If it is a controller - confirm you set the 'speed x' after the
channel-group config.

Eric